/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 interpolation-heuristic=FIRST --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 [2020-09-24 16:39:04,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 16:39:04,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 16:39:04,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 16:39:04,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 16:39:04,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 16:39:04,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 16:39:04,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 16:39:04,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 16:39:04,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 16:39:04,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 16:39:04,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 16:39:04,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 16:39:04,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 16:39:04,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 16:39:04,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 16:39:04,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 16:39:04,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 16:39:04,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 16:39:04,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 16:39:04,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 16:39:04,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 16:39:04,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 16:39:04,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 16:39:04,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 16:39:04,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 16:39:04,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 16:39:04,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 16:39:04,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 16:39:04,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 16:39:04,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 16:39:04,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 16:39:04,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 16:39:04,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 16:39:04,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 16:39:04,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 16:39:04,120 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 16:39:04,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 16:39:04,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 16:39:04,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 16:39:04,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 16:39:04,124 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 [2020-09-24 16:39:04,166 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 16:39:04,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 16:39:04,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 16:39:04,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 16:39:04,173 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 16:39:04,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 16:39:04,174 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 16:39:04,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 16:39:04,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 16:39:04,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 16:39:04,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 16:39:04,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 16:39:04,175 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 16:39:04,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 16:39:04,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 16:39:04,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 16:39:04,176 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 16:39:04,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 16:39:04,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:39:04,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 16:39:04,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 16:39:04,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 16:39:04,177 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 16:39:04,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 16:39:04,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 16:39:04,178 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 16:39:04,178 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 16:39:04,178 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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 16:39:04,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 16:39:04,724 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 16:39:04,728 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 16:39:04,730 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 16:39:04,731 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 16:39:04,732 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-09-24 16:39:04,818 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b3976c17b/debf0b21e4634d4b902abae0ce9ba036/FLAG2106b5f6f [2020-09-24 16:39:05,646 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 16:39:05,647 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-09-24 16:39:05,688 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b3976c17b/debf0b21e4634d4b902abae0ce9ba036/FLAG2106b5f6f [2020-09-24 16:39:06,163 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b3976c17b/debf0b21e4634d4b902abae0ce9ba036 [2020-09-24 16:39:06,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 16:39:06,187 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 16:39:06,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 16:39:06,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 16:39:06,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 16:39:06,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:39:06" (1/1) ... [2020-09-24 16:39:06,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@700715c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:06, skipping insertion in model container [2020-09-24 16:39:06,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:39:06" (1/1) ... [2020-09-24 16:39:06,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 16:39:06,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 16:39:07,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:39:07,929 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 16:39:08,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:39:08,631 INFO L208 MainTranslator]: Completed translation [2020-09-24 16:39:08,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:08 WrapperNode [2020-09-24 16:39:08,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 16:39:08,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 16:39:08,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 16:39:08,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 16:39:08,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:08" (1/1) ... [2020-09-24 16:39:08,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:08" (1/1) ... [2020-09-24 16:39:08,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:08" (1/1) ... [2020-09-24 16:39:08,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:08" (1/1) ... [2020-09-24 16:39:09,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:08" (1/1) ... [2020-09-24 16:39:09,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:08" (1/1) ... [2020-09-24 16:39:09,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:08" (1/1) ... [2020-09-24 16:39:09,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 16:39:09,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 16:39:09,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 16:39:09,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 16:39:09,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:08" (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 [2020-09-24 16:39:09,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 16:39:09,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 16:39:09,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-24 16:39:09,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-09-24 16:39:09,346 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-09-24 16:39:09,346 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-09-24 16:39:09,348 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-09-24 16:39:09,348 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-09-24 16:39:09,349 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-09-24 16:39:09,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-09-24 16:39:09,351 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-09-24 16:39:09,352 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-09-24 16:39:09,352 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-09-24 16:39:09,352 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-09-24 16:39:09,352 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2020-09-24 16:39:09,353 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2020-09-24 16:39:09,353 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2020-09-24 16:39:09,359 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2020-09-24 16:39:09,359 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_readwrite_dw [2020-09-24 16:39:09,359 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_v8_memory_req [2020-09-24 16:39:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_memory_req [2020-09-24 16:39:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_get_mac_addr [2020-09-24 16:39:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_i2c_req [2020-09-24 16:39:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_read_ibi_reg [2020-09-24 16:39:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_write_ibi_reg [2020-09-24 16:39:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_i2c_request [2020-09-24 16:39:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_process_frame [2020-09-24 16:39:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_urb_complete [2020-09-24 16:39:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_stream_control [2020-09-24 16:39:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2020-09-24 16:39:09,362 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_init [2020-09-24 16:39:09,362 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_init [2020-09-24 16:39:09,362 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2020-09-24 16:39:09,362 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_probe [2020-09-24 16:39:09,362 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_disconnect [2020-09-24 16:39:09,362 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_driver_init [2020-09-24 16:39:09,363 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_driver_exit [2020-09-24 16:39:09,363 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 16:39:09,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-09-24 16:39:09,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-09-24 16:39:09,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-09-24 16:39:09,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-09-24 16:39:09,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-09-24 16:39:09,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-09-24 16:39:09,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-09-24 16:39:09,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_8 [2020-09-24 16:39:09,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_9 [2020-09-24 16:39:09,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-24 16:39:09,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-24 16:39:09,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-24 16:39:09,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-24 16:39:09,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-24 16:39:09,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-24 16:39:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-24 16:39:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-24 16:39:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-24 16:39:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-24 16:39:09,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-09-24 16:39:09,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-09-24 16:39:09,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-09-24 16:39:09,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-09-24 16:39:09,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-24 16:39:09,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-09-24 16:39:09,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-09-24 16:39:09,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-24 16:39:09,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-24 16:39:09,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-09-24 16:39:09,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-09-24 16:39:09,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-24 16:39:09,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-24 16:39:09,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-09-24 16:39:09,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 16:39:09,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 16:39:09,373 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-09-24 16:39:09,373 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-09-24 16:39:09,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 16:39:09,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-24 16:39:09,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-24 16:39:09,374 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2020-09-24 16:39:09,374 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_initialize [2020-09-24 16:39:09,375 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2020-09-24 16:39:09,375 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kmalloc [2020-09-24 16:39:09,375 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_pass_dmx_packets [2020-09-24 16:39:09,376 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_sram_ctrl [2020-09-24 16:39:09,376 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_sram_set_dest [2020-09-24 16:39:09,377 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_wan_set_speed [2020-09-24 16:39:09,378 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-09-24 16:39:09,378 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-09-24 16:39:09,378 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-24 16:39:09,378 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-24 16:39:09,379 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-09-24 16:39:09,379 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-09-24 16:39:09,379 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-09-24 16:39:09,379 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-09-24 16:39:09,379 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-09-24 16:39:09,380 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-09-24 16:39:09,380 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-09-24 16:39:09,380 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-09-24 16:39:09,380 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-24 16:39:09,381 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 16:39:09,381 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-24 16:39:09,382 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-24 16:39:09,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 16:39:09,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-24 16:39:09,382 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-24 16:39:09,383 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-24 16:39:09,383 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-24 16:39:09,383 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-09-24 16:39:09,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 16:39:09,384 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-09-24 16:39:09,384 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-09-24 16:39:09,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-09-24 16:39:09,384 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-24 16:39:09,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-09-24 16:39:09,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-09-24 16:39:09,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-09-24 16:39:09,386 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-09-24 16:39:09,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-09-24 16:39:09,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-09-24 16:39:09,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-09-24 16:39:09,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-24 16:39:09,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-24 16:39:09,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-09-24 16:39:09,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-09-24 16:39:09,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-09-24 16:39:09,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-09-24 16:39:09,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-09-24 16:39:09,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 16:39:09,389 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-24 16:39:09,390 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-24 16:39:09,391 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-09-24 16:39:09,395 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-09-24 16:39:09,395 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-09-24 16:39:09,396 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-09-24 16:39:09,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_8 [2020-09-24 16:39:09,396 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-09-24 16:39:09,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_9 [2020-09-24 16:39:09,397 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-09-24 16:39:09,397 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-09-24 16:39:09,397 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-09-24 16:39:09,397 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-09-24 16:39:09,398 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-09-24 16:39:09,398 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-09-24 16:39:09,398 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-09-24 16:39:09,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 16:39:09,405 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-09-24 16:39:09,407 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-09-24 16:39:09,407 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-09-24 16:39:09,407 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-09-24 16:39:09,407 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-09-24 16:39:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-09-24 16:39:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2020-09-24 16:39:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-24 16:39:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2020-09-24 16:39:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 16:39:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-09-24 16:39:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2020-09-24 16:39:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2020-09-24 16:39:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_pass_dmx_packets [2020-09-24 16:39:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kmalloc [2020-09-24 16:39:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2020-09-24 16:39:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_initialize [2020-09-24 16:39:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2020-09-24 16:39:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_set_dest [2020-09-24 16:39:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_wan_set_speed [2020-09-24 16:39:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_ctrl [2020-09-24 16:39:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_readwrite_dw [2020-09-24 16:39:09,411 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_v8_memory_req [2020-09-24 16:39:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_memory_req [2020-09-24 16:39:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_get_mac_addr [2020-09-24 16:39:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_i2c_req [2020-09-24 16:39:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_read_ibi_reg [2020-09-24 16:39:09,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 16:39:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 16:39:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_write_ibi_reg [2020-09-24 16:39:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_i2c_request [2020-09-24 16:39:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-24 16:39:09,413 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_process_frame [2020-09-24 16:39:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-24 16:39:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_urb_complete [2020-09-24 16:39:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_stream_control [2020-09-24 16:39:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2020-09-24 16:39:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_init [2020-09-24 16:39:09,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 16:39:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-24 16:39:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_init [2020-09-24 16:39:09,415 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2020-09-24 16:39:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_probe [2020-09-24 16:39:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_disconnect [2020-09-24 16:39:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_driver_init [2020-09-24 16:39:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_driver_exit [2020-09-24 16:39:09,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 16:39:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 16:39:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 16:39:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-24 16:39:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-24 16:39:09,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-24 16:39:09,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-24 16:39:09,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-24 16:39:09,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-24 16:39:09,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-24 16:39:09,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-09-24 16:39:09,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-09-24 16:39:09,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-09-24 16:39:09,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-24 16:39:09,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-09-24 16:39:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-24 16:39:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-24 16:39:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-24 16:39:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-24 16:39:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-24 16:39:09,420 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 16:39:09,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 16:39:09,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 16:39:09,421 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 16:39:09,421 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 16:39:09,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 16:39:09,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 16:39:09,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 16:39:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 16:39:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-24 16:39:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-24 16:39:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-24 16:39:09,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-24 16:39:14,428 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 16:39:14,429 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 16:39:14,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:39:14 BoogieIcfgContainer [2020-09-24 16:39:14,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 16:39:14,448 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 16:39:14,448 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 16:39:14,452 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 16:39:14,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:39:06" (1/3) ... [2020-09-24 16:39:14,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d9e6d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:39:14, skipping insertion in model container [2020-09-24 16:39:14,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:39:08" (2/3) ... [2020-09-24 16:39:14,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41d9e6d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:39:14, skipping insertion in model container [2020-09-24 16:39:14,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:39:14" (3/3) ... [2020-09-24 16:39:14,458 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-09-24 16:39:14,469 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 16:39:14,483 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 16:39:14,507 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 16:39:14,550 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 16:39:14,550 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 16:39:14,551 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 16:39:14,551 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 16:39:14,551 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 16:39:14,551 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 16:39:14,551 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 16:39:14,551 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 16:39:14,615 INFO L276 IsEmpty]: Start isEmpty. Operand 2184 states. [2020-09-24 16:39:14,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-24 16:39:14,654 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:39:14,656 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] [2020-09-24 16:39:14,656 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:39:14,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:39:14,665 INFO L82 PathProgramCache]: Analyzing trace with hash 2037642771, now seen corresponding path program 1 times [2020-09-24 16:39:14,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:39:14,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [578355963] [2020-09-24 16:39:14,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:39:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:15,494 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:15,494 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:15,495 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:15,496 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:15,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 16:39:15,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:15,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 16:39:15,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:15,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:39:15,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-09-24 16:39:15,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 16:39:15,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:16,915 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-24 16:39:16,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:39:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:16,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:16,940 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:16,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:16,940 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:16,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-24 16:39:16,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:16,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:39:16,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:16,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:16,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:16,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:16,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:17,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-24 16:39:17,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:17,235 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:17,236 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:17,236 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:17,236 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:17,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:39:17,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:17,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:17,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:17,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:17,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:17,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:17,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:17,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-24 16:39:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:17,313 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:17,313 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:17,313 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:17,313 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:17,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 16:39:17,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:17,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:17,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:17,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:17,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-24 16:39:17,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:17,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:17,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:39:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:17,393 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:17,394 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:17,394 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:17,394 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:17,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-24 16:39:17,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:17,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:17,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:17,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:17,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:17,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:17,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:17,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:39:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:17,452 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:17,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:17,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:17,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:17,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:39:17,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:17,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:39:17,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:17,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:17,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:17,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:17,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 16:39:17,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:39:17,574 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [578355963] [2020-09-24 16:39:17,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:39:17,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 16:39:17,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96696830] [2020-09-24 16:39:17,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 16:39:17,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:39:17,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 16:39:17,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 16:39:17,607 INFO L87 Difference]: Start difference. First operand 2184 states. Second operand 6 states. [2020-09-24 16:39:19,273 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-24 16:39:29,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:39:29,950 INFO L93 Difference]: Finished difference Result 1878 states and 2091 transitions. [2020-09-24 16:39:29,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 16:39:29,952 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 192 [2020-09-24 16:39:29,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:39:29,984 INFO L225 Difference]: With dead ends: 1878 [2020-09-24 16:39:29,984 INFO L226 Difference]: Without dead ends: 1838 [2020-09-24 16:39:29,990 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 16:39:30,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2020-09-24 16:39:30,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1541. [2020-09-24 16:39:30,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1541 states. [2020-09-24 16:39:30,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1541 states and 1676 transitions. [2020-09-24 16:39:30,324 INFO L78 Accepts]: Start accepts. Automaton has 1541 states and 1676 transitions. Word has length 192 [2020-09-24 16:39:30,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:39:30,325 INFO L479 AbstractCegarLoop]: Abstraction has 1541 states and 1676 transitions. [2020-09-24 16:39:30,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 16:39:30,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 1676 transitions. [2020-09-24 16:39:30,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-09-24 16:39:30,330 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:39:30,330 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:39:30,331 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 16:39:30,331 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:39:30,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:39:30,332 INFO L82 PathProgramCache]: Analyzing trace with hash 526616234, now seen corresponding path program 1 times [2020-09-24 16:39:30,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:39:30,332 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1234391386] [2020-09-24 16:39:30,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:39:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:30,519 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:30,520 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:30,520 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:30,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:30,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-09-24 16:39:30,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:30,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:39:30,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:30,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:39:30,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 162 [2020-09-24 16:39:30,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-24 16:39:30,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:31,785 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-24 16:39:31,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:39:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:31,832 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:31,832 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:31,833 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:31,833 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:31,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-24 16:39:31,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:31,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:39:31,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:31,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:31,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:31,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:31,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:32,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-24 16:39:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:32,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:32,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:32,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:32,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:32,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:39:32,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:32,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:39:32,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:32,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:39:32,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:32,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 16:39:32,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:32,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-24 16:39:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:32,275 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:32,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:32,276 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:32,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:32,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 16:39:32,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:32,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:39:32,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:32,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:39:32,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:32,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-24 16:39:32,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:32,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:39:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:32,357 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:32,357 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:32,358 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:32,358 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:32,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 16:39:32,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:32,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:32,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:32,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:32,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:32,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:32,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:32,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 16:39:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:32,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:32,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:32,452 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:32,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:32,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:39:32,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:32,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:32,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:32,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:32,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:32,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:32,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 37 [2020-09-24 16:39:32,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:39:32,626 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1234391386] [2020-09-24 16:39:32,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:39:32,626 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 16:39:32,626 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671099735] [2020-09-24 16:39:32,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 16:39:32,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:39:32,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 16:39:32,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 16:39:32,630 INFO L87 Difference]: Start difference. First operand 1541 states and 1676 transitions. Second operand 6 states. [2020-09-24 16:39:34,443 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-24 16:39:38,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:39:38,596 INFO L93 Difference]: Finished difference Result 1839 states and 2039 transitions. [2020-09-24 16:39:38,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 16:39:38,601 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 219 [2020-09-24 16:39:38,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:39:38,612 INFO L225 Difference]: With dead ends: 1839 [2020-09-24 16:39:38,612 INFO L226 Difference]: Without dead ends: 1836 [2020-09-24 16:39:38,616 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 16:39:38,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1836 states. [2020-09-24 16:39:38,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1836 to 1540. [2020-09-24 16:39:38,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1540 states. [2020-09-24 16:39:38,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 1540 states and 1674 transitions. [2020-09-24 16:39:38,811 INFO L78 Accepts]: Start accepts. Automaton has 1540 states and 1674 transitions. Word has length 219 [2020-09-24 16:39:38,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:39:38,812 INFO L479 AbstractCegarLoop]: Abstraction has 1540 states and 1674 transitions. [2020-09-24 16:39:38,812 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 16:39:38,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 1674 transitions. [2020-09-24 16:39:38,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-09-24 16:39:38,816 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:39:38,816 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:39:38,816 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 16:39:38,817 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:39:38,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:39:38,817 INFO L82 PathProgramCache]: Analyzing trace with hash -855644402, now seen corresponding path program 1 times [2020-09-24 16:39:38,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:39:38,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1424496675] [2020-09-24 16:39:38,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:39:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:38,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:38,995 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:38,995 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:38,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:38,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-24 16:39:38,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:38,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:39:38,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:38,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:39:38,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-09-24 16:39:38,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-24 16:39:38,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:40,545 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 316 [2020-09-24 16:39:40,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:39:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:40,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:40,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:40,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:40,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:40,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-24 16:39:40,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:40,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:40,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:40,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:40,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:40,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:40,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 16:39:40,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-24 16:39:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:40,837 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:40,838 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:40,838 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:40,838 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:40,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:39:40,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:40,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:40,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:40,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:39:40,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:40,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 16:39:40,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:40,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-24 16:39:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:40,980 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:40,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:40,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:40,981 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:40,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 16:39:40,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:40,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:39:40,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:40,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:39:40,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:40,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-24 16:39:40,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:41,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:39:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:41,060 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:41,060 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:41,060 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:41,061 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:41,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 16:39:41,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:41,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:41,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:41,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:41,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:41,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:41,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:41,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 16:39:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:41,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:41,144 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:41,144 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:41,144 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:41,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:39:41,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:41,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:41,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:41,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:41,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:41,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:41,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:41,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:39:41,267 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1424496675] [2020-09-24 16:39:41,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:39:41,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 16:39:41,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250757473] [2020-09-24 16:39:41,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 16:39:41,270 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:39:41,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 16:39:41,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 16:39:41,271 INFO L87 Difference]: Start difference. First operand 1540 states and 1674 transitions. Second operand 6 states. [2020-09-24 16:39:42,899 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-24 16:39:47,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:39:47,085 INFO L93 Difference]: Finished difference Result 1838 states and 2037 transitions. [2020-09-24 16:39:47,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 16:39:47,086 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 220 [2020-09-24 16:39:47,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:39:47,096 INFO L225 Difference]: With dead ends: 1838 [2020-09-24 16:39:47,096 INFO L226 Difference]: Without dead ends: 1835 [2020-09-24 16:39:47,099 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 16:39:47,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1835 states. [2020-09-24 16:39:47,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1835 to 1539. [2020-09-24 16:39:47,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1539 states. [2020-09-24 16:39:47,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 1539 states and 1672 transitions. [2020-09-24 16:39:47,304 INFO L78 Accepts]: Start accepts. Automaton has 1539 states and 1672 transitions. Word has length 220 [2020-09-24 16:39:47,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:39:47,305 INFO L479 AbstractCegarLoop]: Abstraction has 1539 states and 1672 transitions. [2020-09-24 16:39:47,305 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 16:39:47,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 1672 transitions. [2020-09-24 16:39:47,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-09-24 16:39:47,308 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:39:47,308 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:39:47,308 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 16:39:47,309 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:39:47,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:39:47,309 INFO L82 PathProgramCache]: Analyzing trace with hash -756046291, now seen corresponding path program 1 times [2020-09-24 16:39:47,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:39:47,310 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1693783232] [2020-09-24 16:39:47,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:39:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:47,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:47,484 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:47,484 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:47,484 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:47,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-09-24 16:39:47,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:47,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:39:47,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:47,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:39:47,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-24 16:39:47,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-24 16:39:47,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:48,776 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-24 16:39:48,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:39:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:48,794 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:48,794 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:48,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:48,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:48,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-24 16:39:48,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:48,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:48,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:48,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:48,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:48,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:48,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:48,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-24 16:39:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:48,973 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:48,973 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:48,973 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:48,973 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:48,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:39:48,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:48,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:48,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:48,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:39:48,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:48,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:39:48,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:49,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-24 16:39:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:49,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:49,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:49,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:49,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:49,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 16:39:49,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:49,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:49,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:49,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:39:49,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:49,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-24 16:39:49,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:49,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 16:39:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:49,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:49,138 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:49,138 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:49,138 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:49,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 16:39:49,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:49,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:39:49,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:49,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:49,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:49,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:49,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:39:49,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 16:39:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:39:49,214 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:39:49,214 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:39:49,215 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:39:49,215 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:39:49,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:39:49,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:39:49,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:39:49,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:39:49,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:39:49,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:39:49,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:39:49,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:39:49,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:39:49,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1693783232] [2020-09-24 16:39:49,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:39:49,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 16:39:49,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079729012] [2020-09-24 16:39:49,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 16:39:49,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:39:49,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 16:39:49,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 16:39:49,396 INFO L87 Difference]: Start difference. First operand 1539 states and 1672 transitions. Second operand 6 states. [2020-09-24 16:39:51,222 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-24 16:39:55,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:39:55,197 INFO L93 Difference]: Finished difference Result 1835 states and 2034 transitions. [2020-09-24 16:39:55,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 16:39:55,198 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 221 [2020-09-24 16:39:55,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:39:55,199 INFO L225 Difference]: With dead ends: 1835 [2020-09-24 16:39:55,199 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 16:39:55,211 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 16:39:55,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 16:39:55,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 16:39:55,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 16:39:55,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 16:39:55,212 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 221 [2020-09-24 16:39:55,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:39:55,212 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 16:39:55,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 16:39:55,213 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 16:39:55,213 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 16:39:55,213 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 16:39:55,216 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 16:39:55,712 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-24 16:39:56,163 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2020-09-24 16:39:56,606 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2020-09-24 16:39:57,043 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2020-09-24 16:39:57,475 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 320