/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 10:45:55,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 10:45:55,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 10:45:55,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 10:45:55,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 10:45:55,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 10:45:55,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 10:45:55,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 10:45:55,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 10:45:55,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 10:45:55,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 10:45:55,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 10:45:55,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 10:45:55,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 10:45:55,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 10:45:55,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 10:45:55,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 10:45:55,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 10:45:55,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 10:45:55,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 10:45:55,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 10:45:55,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 10:45:55,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 10:45:55,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 10:45:55,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 10:45:55,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 10:45:55,183 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 10:45:55,185 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 10:45:55,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 10:45:55,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 10:45:55,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 10:45:55,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 10:45:55,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 10:45:55,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 10:45:55,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 10:45:55,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 10:45:55,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 10:45:55,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 10:45:55,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 10:45:55,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 10:45:55,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 10:45:55,196 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-25 10:45:55,231 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 10:45:55,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 10:45:55,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 10:45:55,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 10:45:55,234 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 10:45:55,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 10:45:55,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 10:45:55,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 10:45:55,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 10:45:55,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 10:45:55,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 10:45:55,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 10:45:55,237 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 10:45:55,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 10:45:55,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 10:45:55,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 10:45:55,238 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 10:45:55,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 10:45:55,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:45:55,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 10:45:55,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 10:45:55,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 10:45:55,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 10:45:55,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 10:45:55,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 10:45:55,240 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 10:45:55,240 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 10:45:55,240 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-09-25 10:45:55,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 10:45:55,735 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 10:45:55,739 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 10:45:55,741 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 10:45:55,742 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 10:45:55,743 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-09-25 10:45:55,844 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/74267b577/f648a50152564a91b85b0dffc05f6690/FLAG9bbf7ed1f [2020-09-25 10:45:56,683 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 10:45:56,684 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-09-25 10:45:56,732 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/74267b577/f648a50152564a91b85b0dffc05f6690/FLAG9bbf7ed1f [2020-09-25 10:45:57,226 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/74267b577/f648a50152564a91b85b0dffc05f6690 [2020-09-25 10:45:57,240 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 10:45:57,246 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 10:45:57,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 10:45:57,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 10:45:57,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 10:45:57,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:45:57" (1/1) ... [2020-09-25 10:45:57,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c04ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:45:57, skipping insertion in model container [2020-09-25 10:45:57,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:45:57" (1/1) ... [2020-09-25 10:45:57,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 10:45:57,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 10:45:59,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:45:59,315 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 10:45:59,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:45:59,993 INFO L208 MainTranslator]: Completed translation [2020-09-25 10:45:59,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:45:59 WrapperNode [2020-09-25 10:45:59,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 10:45:59,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 10:45:59,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 10:45:59,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 10:46:00,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:45:59" (1/1) ... [2020-09-25 10:46:00,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:45:59" (1/1) ... [2020-09-25 10:46:00,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:45:59" (1/1) ... [2020-09-25 10:46:00,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:45:59" (1/1) ... [2020-09-25 10:46:00,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:45:59" (1/1) ... [2020-09-25 10:46:00,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:45:59" (1/1) ... [2020-09-25 10:46:00,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:45:59" (1/1) ... [2020-09-25 10:46:00,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 10:46:00,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 10:46:00,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 10:46:00,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 10:46:00,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:45:59" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:46:00,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 10:46:00,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 10:46:00,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-25 10:46:00,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-09-25 10:46:00,673 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-09-25 10:46:00,673 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-09-25 10:46:00,674 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-09-25 10:46:00,674 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-09-25 10:46:00,675 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-09-25 10:46:00,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-09-25 10:46:00,677 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-09-25 10:46:00,677 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-09-25 10:46:00,678 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-09-25 10:46:00,678 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-09-25 10:46:00,678 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2020-09-25 10:46:00,678 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2020-09-25 10:46:00,678 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2020-09-25 10:46:00,681 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2020-09-25 10:46:00,682 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_readwrite_dw [2020-09-25 10:46:00,682 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_v8_memory_req [2020-09-25 10:46:00,682 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_memory_req [2020-09-25 10:46:00,682 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_get_mac_addr [2020-09-25 10:46:00,682 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_i2c_req [2020-09-25 10:46:00,682 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_read_ibi_reg [2020-09-25 10:46:00,683 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_write_ibi_reg [2020-09-25 10:46:00,683 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_i2c_request [2020-09-25 10:46:00,683 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_process_frame [2020-09-25 10:46:00,683 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_urb_complete [2020-09-25 10:46:00,683 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_stream_control [2020-09-25 10:46:00,683 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2020-09-25 10:46:00,684 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_init [2020-09-25 10:46:00,684 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_init [2020-09-25 10:46:00,684 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2020-09-25 10:46:00,684 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_probe [2020-09-25 10:46:00,684 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_disconnect [2020-09-25 10:46:00,685 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_driver_init [2020-09-25 10:46:00,685 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_driver_exit [2020-09-25 10:46:00,685 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 10:46:00,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-09-25 10:46:00,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-09-25 10:46:00,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-09-25 10:46:00,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-09-25 10:46:00,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-09-25 10:46:00,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-09-25 10:46:00,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-09-25 10:46:00,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_8 [2020-09-25 10:46:00,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_9 [2020-09-25 10:46:00,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 10:46:00,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 10:46:00,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 10:46:00,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:00,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:00,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:00,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:00,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:00,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:00,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:00,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 10:46:00,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-09-25 10:46:00,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-09-25 10:46:00,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-09-25 10:46:00,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 10:46:00,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-09-25 10:46:00,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-09-25 10:46:00,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 10:46:00,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 10:46:00,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 10:46:00,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 10:46:00,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 10:46:00,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 10:46:00,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 10:46:00,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 10:46:00,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 10:46:00,693 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-09-25 10:46:00,693 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-09-25 10:46:00,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 10:46:00,694 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 10:46:00,694 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 10:46:00,694 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2020-09-25 10:46:00,694 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_initialize [2020-09-25 10:46:00,694 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2020-09-25 10:46:00,695 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kmalloc [2020-09-25 10:46:00,695 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_pass_dmx_packets [2020-09-25 10:46:00,696 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_sram_ctrl [2020-09-25 10:46:00,696 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_sram_set_dest [2020-09-25 10:46:00,696 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_wan_set_speed [2020-09-25 10:46:00,696 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-09-25 10:46:00,696 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-09-25 10:46:00,696 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-25 10:46:00,696 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-25 10:46:00,697 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-09-25 10:46:00,697 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-09-25 10:46:00,697 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-09-25 10:46:00,697 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-09-25 10:46:00,698 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-09-25 10:46:00,698 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-09-25 10:46:00,698 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-09-25 10:46:00,698 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-09-25 10:46:00,698 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-25 10:46:00,699 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 10:46:00,699 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 10:46:00,699 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-25 10:46:00,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 10:46:00,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 10:46:00,700 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-25 10:46:00,700 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 10:46:00,700 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-25 10:46:00,700 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-09-25 10:46:00,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 10:46:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-09-25 10:46:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-09-25 10:46:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-09-25 10:46:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-25 10:46:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-09-25 10:46:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-09-25 10:46:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-09-25 10:46:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-09-25 10:46:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-09-25 10:46:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-09-25 10:46:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-09-25 10:46:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-09-25 10:46:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-09-25 10:46:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 10:46:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 10:46:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 10:46:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 10:46:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 10:46:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 10:46:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-09-25 10:46:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-09-25 10:46:00,714 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-09-25 10:46:00,714 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-09-25 10:46:00,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_8 [2020-09-25 10:46:00,714 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-09-25 10:46:00,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_9 [2020-09-25 10:46:00,715 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-09-25 10:46:00,715 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-09-25 10:46:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-09-25 10:46:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-09-25 10:46:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-09-25 10:46:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-09-25 10:46:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-09-25 10:46:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 10:46:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-09-25 10:46:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-09-25 10:46:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-09-25 10:46:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-09-25 10:46:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-09-25 10:46:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-09-25 10:46:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2020-09-25 10:46:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-25 10:46:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2020-09-25 10:46:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 10:46:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2020-09-25 10:46:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2020-09-25 10:46:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2020-09-25 10:46:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_pass_dmx_packets [2020-09-25 10:46:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kmalloc [2020-09-25 10:46:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2020-09-25 10:46:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_initialize [2020-09-25 10:46:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2020-09-25 10:46:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_set_dest [2020-09-25 10:46:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_wan_set_speed [2020-09-25 10:46:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_ctrl [2020-09-25 10:46:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_readwrite_dw [2020-09-25 10:46:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_v8_memory_req [2020-09-25 10:46:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_memory_req [2020-09-25 10:46:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_get_mac_addr [2020-09-25 10:46:00,726 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_i2c_req [2020-09-25 10:46:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_read_ibi_reg [2020-09-25 10:46:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 10:46:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 10:46:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_write_ibi_reg [2020-09-25 10:46:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_i2c_request [2020-09-25 10:46:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-25 10:46:00,727 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_process_frame [2020-09-25 10:46:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-25 10:46:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_urb_complete [2020-09-25 10:46:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_stream_control [2020-09-25 10:46:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2020-09-25 10:46:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_init [2020-09-25 10:46:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 10:46:00,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 10:46:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_init [2020-09-25 10:46:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2020-09-25 10:46:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_probe [2020-09-25 10:46:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_disconnect [2020-09-25 10:46:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_driver_init [2020-09-25 10:46:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_driver_exit [2020-09-25 10:46:00,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 10:46:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 10:46:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 10:46:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 10:46:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 10:46:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:00,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 10:46:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-09-25 10:46:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-09-25 10:46:00,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 10:46:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-09-25 10:46:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 10:46:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 10:46:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 10:46:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 10:46:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 10:46:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 10:46:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 10:46:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 10:46:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 10:46:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 10:46:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 10:46:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 10:46:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 10:46:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 10:46:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 10:46:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 10:46:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 10:46:00,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 10:46:04,935 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 10:46:04,936 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 10:46:04,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:46:04 BoogieIcfgContainer [2020-09-25 10:46:04,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 10:46:04,952 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 10:46:04,952 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 10:46:04,955 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 10:46:04,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 10:45:57" (1/3) ... [2020-09-25 10:46:04,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10724de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:46:04, skipping insertion in model container [2020-09-25 10:46:04,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:45:59" (2/3) ... [2020-09-25 10:46:04,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10724de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:46:04, skipping insertion in model container [2020-09-25 10:46:04,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:46:04" (3/3) ... [2020-09-25 10:46:04,960 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-09-25 10:46:04,972 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 10:46:04,984 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 10:46:05,007 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 10:46:05,043 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 10:46:05,043 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 10:46:05,043 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 10:46:05,044 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 10:46:05,044 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 10:46:05,044 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 10:46:05,044 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 10:46:05,044 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 10:46:05,095 INFO L276 IsEmpty]: Start isEmpty. Operand 2184 states. [2020-09-25 10:46:05,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-25 10:46:05,112 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:46:05,114 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:46:05,114 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:46:05,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:46:05,120 INFO L82 PathProgramCache]: Analyzing trace with hash 2037642771, now seen corresponding path program 1 times [2020-09-25 10:46:05,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:46:05,132 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1398581625] [2020-09-25 10:46:05,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:46:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:06,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:07,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:08,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:08,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 10:46:08,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:46:08,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2508 [2020-09-25 10:46:08,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:08,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:08,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:08,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 162 [2020-09-25 10:46:08,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 10:46:08,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 10:46:09,410 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-25 10:46:09,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:46:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:09,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:09,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:09,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-25 10:46:09,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:09,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 434 [2020-09-25 10:46:09,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:09,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:09,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:09,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:09,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:09,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:10,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 10:46:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:10,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:10,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:10,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:46:10,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:10,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 193 [2020-09-25 10:46:10,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:10,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:10,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:10,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:10,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 10:46:10,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:10,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 10:46:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:10,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:10,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:10,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 10:46:10,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:10,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-09-25 10:46:10,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:10,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:10,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:10,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:10,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 10:46:10,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:10,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:46:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:10,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:10,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:10,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 10:46:10,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:10,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-09-25 10:46:10,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:10,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:10,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:10,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:10,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:10,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:10,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 10:46:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:10,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:11,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:11,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:46:11,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:11,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-25 10:46:11,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:11,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:11,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:11,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:11,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:11,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:46:11,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 10:46:11,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1398581625] [2020-09-25 10:46:11,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:46:11,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 10:46:11,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063195309] [2020-09-25 10:46:11,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 10:46:11,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:46:11,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 10:46:11,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 10:46:11,204 INFO L87 Difference]: Start difference. First operand 2184 states. Second operand 6 states. [2020-09-25 10:46:13,202 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-25 10:46:16,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:46:16,989 INFO L93 Difference]: Finished difference Result 1052 states and 1161 transitions. [2020-09-25 10:46:16,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 10:46:16,992 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 192 [2020-09-25 10:46:16,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:46:17,019 INFO L225 Difference]: With dead ends: 1052 [2020-09-25 10:46:17,019 INFO L226 Difference]: Without dead ends: 1028 [2020-09-25 10:46:17,024 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 10:46:17,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2020-09-25 10:46:17,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 880. [2020-09-25 10:46:17,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2020-09-25 10:46:17,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 948 transitions. [2020-09-25 10:46:17,215 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 948 transitions. Word has length 192 [2020-09-25 10:46:17,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:46:17,217 INFO L479 AbstractCegarLoop]: Abstraction has 880 states and 948 transitions. [2020-09-25 10:46:17,217 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 10:46:17,217 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 948 transitions. [2020-09-25 10:46:17,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-25 10:46:17,222 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:46:17,223 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:46:17,223 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 10:46:17,223 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:46:17,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:46:17,224 INFO L82 PathProgramCache]: Analyzing trace with hash -1258462011, now seen corresponding path program 1 times [2020-09-25 10:46:17,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:46:17,224 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [395963395] [2020-09-25 10:46:17,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:46:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:17,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:18,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:19,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:19,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-09-25 10:46:19,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:46:19,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1952 [2020-09-25 10:46:19,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:19,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:19,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:19,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-09-25 10:46:19,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 10:46:19,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:20,298 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-25 10:46:20,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:46:20,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:20,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:20,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:20,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-25 10:46:20,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:20,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 423 [2020-09-25 10:46:20,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:20,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:20,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:20,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:20,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:20,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 10:46:20,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 10:46:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:21,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:21,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:21,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:46:21,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:21,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-09-25 10:46:21,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:21,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:21,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:21,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:21,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 10:46:21,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:21,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 10:46:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:21,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:21,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:21,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 10:46:21,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:21,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-09-25 10:46:21,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:21,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:21,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:21,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:21,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 10:46:21,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:21,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:46:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:21,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:21,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:21,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 10:46:21,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:21,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 10:46:21,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:21,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:21,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:21,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:21,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:21,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:21,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 10:46:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:21,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:21,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:21,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:46:21,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:21,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-25 10:46:21,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:21,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:21,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:21,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:21,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:21,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:21,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 10:46:21,800 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [395963395] [2020-09-25 10:46:21,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:46:21,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 10:46:21,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144094677] [2020-09-25 10:46:21,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 10:46:21,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:46:21,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 10:46:21,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 10:46:21,805 INFO L87 Difference]: Start difference. First operand 880 states and 948 transitions. Second operand 6 states. [2020-09-25 10:46:23,306 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-25 10:46:26,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:46:26,818 INFO L93 Difference]: Finished difference Result 1030 states and 1130 transitions. [2020-09-25 10:46:26,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 10:46:26,819 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 193 [2020-09-25 10:46:26,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:46:26,827 INFO L225 Difference]: With dead ends: 1030 [2020-09-25 10:46:26,828 INFO L226 Difference]: Without dead ends: 1027 [2020-09-25 10:46:26,830 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 10:46:26,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2020-09-25 10:46:26,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 879. [2020-09-25 10:46:26,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2020-09-25 10:46:26,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 946 transitions. [2020-09-25 10:46:26,937 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 946 transitions. Word has length 193 [2020-09-25 10:46:26,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:46:26,938 INFO L479 AbstractCegarLoop]: Abstraction has 879 states and 946 transitions. [2020-09-25 10:46:26,938 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 10:46:26,938 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 946 transitions. [2020-09-25 10:46:26,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-25 10:46:26,941 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:46:26,941 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:46:26,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 10:46:26,941 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:46:26,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:46:26,942 INFO L82 PathProgramCache]: Analyzing trace with hash -358490282, now seen corresponding path program 1 times [2020-09-25 10:46:26,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:46:26,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [84741043] [2020-09-25 10:46:26,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:46:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:27,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:27,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:28,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:28,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-09-25 10:46:28,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:46:28,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1573 [2020-09-25 10:46:28,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:28,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:28,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:28,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-25 10:46:28,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 10:46:28,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:29,787 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-25 10:46:29,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:46:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:29,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:30,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:30,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-25 10:46:30,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:30,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 706 [2020-09-25 10:46:30,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:30,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:30,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:30,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:30,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:30,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:30,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 10:46:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:30,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:30,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:30,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:46:30,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:30,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-09-25 10:46:30,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:30,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:30,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:30,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:30,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:46:30,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:30,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 10:46:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:31,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:31,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:31,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 10:46:31,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:31,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-09-25 10:46:31,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:31,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:31,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:31,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:31,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 10:46:31,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:31,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:46:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:31,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:31,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:31,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 10:46:31,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:31,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-25 10:46:31,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:31,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:31,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:31,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:31,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:31,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:31,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 10:46:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:31,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:31,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:31,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:46:31,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:31,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-25 10:46:31,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:31,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:31,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:31,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:31,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:31,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:31,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 10:46:31,550 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [84741043] [2020-09-25 10:46:31,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:46:31,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 10:46:31,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659231200] [2020-09-25 10:46:31,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 10:46:31,553 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:46:31,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 10:46:31,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 10:46:31,554 INFO L87 Difference]: Start difference. First operand 879 states and 946 transitions. Second operand 6 states. [2020-09-25 10:46:33,093 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-25 10:46:36,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:46:36,627 INFO L93 Difference]: Finished difference Result 1027 states and 1127 transitions. [2020-09-25 10:46:36,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 10:46:36,628 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 194 [2020-09-25 10:46:36,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:46:36,629 INFO L225 Difference]: With dead ends: 1027 [2020-09-25 10:46:36,630 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 10:46:36,636 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 10:46:36,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 10:46:36,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 10:46:36,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 10:46:36,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 10:46:36,637 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 194 [2020-09-25 10:46:36,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:46:36,638 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 10:46:36,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 10:46:36,638 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 10:46:36,638 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 10:46:36,638 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 10:46:36,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 10:46:37,200 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 10:46:37,676 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 10:46:38,140 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 10:46:38,600 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 10:46:39,045 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 10:46:39,490 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 10:46:39,939 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 10:46:40,366 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 10:46:40,794 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 10:46:41,222 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 10:46:41,657 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 10:46:42,133 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 10:46:42,558 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 10:46:42,967 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 10:46:43,371 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 10:46:43,784 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 10:46:44,216 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 10:46:44,647 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 10:46:45,076 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 10:46:45,503 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 10:46:45,931 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 10:46:46,360 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 10:46:46,796 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 320