/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=0.3 --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 13:00:30,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:00:30,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:00:30,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:00:30,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:00:30,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:00:30,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:00:30,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:00:30,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:00:30,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:00:30,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:00:30,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:00:30,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:00:30,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:00:30,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:00:30,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:00:30,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:00:30,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:00:30,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:00:30,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:00:30,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:00:30,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:00:30,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:00:30,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:00:30,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:00:30,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:00:30,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:00:30,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:00:30,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:00:30,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:00:30,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:00:30,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:00:30,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:00:30,886 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:00:30,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:00:30,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:00:30,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:00:30,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:00:30,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:00:30,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:00:30,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:00:30,895 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 13:00:30,958 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:00:30,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:00:30,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:00:30,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:00:30,963 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:00:30,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:00:30,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:00:30,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:00:30,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:00:30,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:00:30,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:00:30,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:00:30,965 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:00:30,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:00:30,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:00:30,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:00:30,967 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:00:30,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:00:30,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:00:30,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:00:30,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:00:30,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:00:30,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:00:30,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:00:30,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:00:30,969 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:00:30,969 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 13:00:30,969 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=0.3;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=0.3;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=0.3;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=0.3;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=0.3;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=0.3;log-additional-information=true; [2020-09-25 13:00:31,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:00:31,499 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:00:31,506 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:00:31,509 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:00:31,510 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:00:31,511 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-09-25 13:00:31,604 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6956bfb44/ef8e1214a0164498b86209b04b04b8f5/FLAGb77ee07e3 [2020-09-25 13:00:32,484 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:00:32,485 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2020-09-25 13:00:32,541 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6956bfb44/ef8e1214a0164498b86209b04b04b8f5/FLAGb77ee07e3 [2020-09-25 13:00:33,001 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6956bfb44/ef8e1214a0164498b86209b04b04b8f5 [2020-09-25 13:00:33,014 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:00:33,019 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:00:33,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:00:33,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:00:33,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:00:33,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:00:33" (1/1) ... [2020-09-25 13:00:33,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79b03bc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:33, skipping insertion in model container [2020-09-25 13:00:33,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:00:33" (1/1) ... [2020-09-25 13:00:33,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:00:33,180 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:00:35,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:00:35,044 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:00:35,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:00:35,717 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:00:35,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:35 WrapperNode [2020-09-25 13:00:35,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:00:35,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:00:35,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:00:35,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:00:35,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:35" (1/1) ... [2020-09-25 13:00:35,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:35" (1/1) ... [2020-09-25 13:00:35,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:35" (1/1) ... [2020-09-25 13:00:35,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:35" (1/1) ... [2020-09-25 13:00:36,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:35" (1/1) ... [2020-09-25 13:00:36,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:35" (1/1) ... [2020-09-25 13:00:36,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:35" (1/1) ... [2020-09-25 13:00:36,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:00:36,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:00:36,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:00:36,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:00:36,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:35" (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 13:00:36,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:00:36,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:00:36,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-25 13:00:36,410 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 13:00:36,410 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-09-25 13:00:36,410 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-09-25 13:00:36,411 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-09-25 13:00:36,412 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-09-25 13:00:36,412 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-09-25 13:00:36,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-09-25 13:00:36,414 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2020-09-25 13:00:36,414 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2020-09-25 13:00:36,414 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2020-09-25 13:00:36,415 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2020-09-25 13:00:36,415 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2020-09-25 13:00:36,415 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2020-09-25 13:00:36,415 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2020-09-25 13:00:36,419 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2020-09-25 13:00:36,420 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_readwrite_dw [2020-09-25 13:00:36,420 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_v8_memory_req [2020-09-25 13:00:36,420 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_memory_req [2020-09-25 13:00:36,420 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_get_mac_addr [2020-09-25 13:00:36,420 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_i2c_req [2020-09-25 13:00:36,420 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_read_ibi_reg [2020-09-25 13:00:36,420 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_write_ibi_reg [2020-09-25 13:00:36,421 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_i2c_request [2020-09-25 13:00:36,421 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_process_frame [2020-09-25 13:00:36,422 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_urb_complete [2020-09-25 13:00:36,422 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_stream_control [2020-09-25 13:00:36,422 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2020-09-25 13:00:36,422 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_init [2020-09-25 13:00:36,422 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_init [2020-09-25 13:00:36,423 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2020-09-25 13:00:36,423 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_probe [2020-09-25 13:00:36,423 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_disconnect [2020-09-25 13:00:36,423 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_driver_init [2020-09-25 13:00:36,423 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_driver_exit [2020-09-25 13:00:36,423 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:00:36,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-09-25 13:00:36,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-09-25 13:00:36,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-09-25 13:00:36,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-09-25 13:00:36,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-09-25 13:00:36,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-09-25 13:00:36,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-09-25 13:00:36,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_8 [2020-09-25 13:00:36,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_9 [2020-09-25 13:00:36,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 13:00:36,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 13:00:36,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 13:00:36,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:36,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:36,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:36,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:36,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:36,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:36,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:36,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 13:00:36,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-09-25 13:00:36,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-09-25 13:00:36,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-09-25 13:00:36,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 13:00:36,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-09-25 13:00:36,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-09-25 13:00:36,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 13:00:36,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 13:00:36,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 13:00:36,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 13:00:36,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 13:00:36,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 13:00:36,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 13:00:36,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 13:00:36,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 13:00:36,431 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2020-09-25 13:00:36,431 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2020-09-25 13:00:36,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 13:00:36,431 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 13:00:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 13:00:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2020-09-25 13:00:36,432 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_initialize [2020-09-25 13:00:36,433 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2020-09-25 13:00:36,433 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kmalloc [2020-09-25 13:00:36,434 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_pass_dmx_packets [2020-09-25 13:00:36,434 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_sram_ctrl [2020-09-25 13:00:36,434 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_sram_set_dest [2020-09-25 13:00:36,434 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_wan_set_speed [2020-09-25 13:00:36,434 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-09-25 13:00:36,434 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-09-25 13:00:36,434 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-25 13:00:36,435 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-25 13:00:36,435 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-09-25 13:00:36,435 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-09-25 13:00:36,435 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-09-25 13:00:36,435 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-09-25 13:00:36,435 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-09-25 13:00:36,436 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-09-25 13:00:36,436 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-09-25 13:00:36,436 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-09-25 13:00:36,436 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-09-25 13:00:36,436 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 13:00:36,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-25 13:00:36,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-25 13:00:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:00:36,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 13:00:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-25 13:00:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-25 13:00:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-09-25 13:00:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-09-25 13:00:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:00:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-09-25 13:00:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-09-25 13:00:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-09-25 13:00:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-25 13:00:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-09-25 13:00:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-09-25 13:00:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-09-25 13:00:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-09-25 13:00:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-09-25 13:00:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-09-25 13:00:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-09-25 13:00:36,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-09-25 13:00:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-09-25 13:00:36,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 13:00:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 13:00:36,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 13:00:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:00:36,444 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 13:00:36,447 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 13:00:36,447 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-09-25 13:00:36,447 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-09-25 13:00:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-09-25 13:00:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-09-25 13:00:36,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_8 [2020-09-25 13:00:36,449 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-09-25 13:00:36,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_9 [2020-09-25 13:00:36,449 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-09-25 13:00:36,450 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-09-25 13:00:36,450 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-09-25 13:00:36,450 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-09-25 13:00:36,450 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-09-25 13:00:36,450 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-09-25 13:00:36,450 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-09-25 13:00:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:00:36,458 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2020-09-25 13:00:36,458 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2020-09-25 13:00:36,458 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2020-09-25 13:00:36,459 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2020-09-25 13:00:36,459 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2020-09-25 13:00:36,459 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2020-09-25 13:00:36,459 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2020-09-25 13:00:36,459 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2020-09-25 13:00:36,459 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2020-09-25 13:00:36,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:00:36,460 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 13:00:36,460 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2020-09-25 13:00:36,460 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2020-09-25 13:00:36,460 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_pass_dmx_packets [2020-09-25 13:00:36,460 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kmalloc [2020-09-25 13:00:36,460 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2020-09-25 13:00:36,461 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_initialize [2020-09-25 13:00:36,461 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2020-09-25 13:00:36,461 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_set_dest [2020-09-25 13:00:36,461 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_wan_set_speed [2020-09-25 13:00:36,462 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_sram_ctrl [2020-09-25 13:00:36,462 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_readwrite_dw [2020-09-25 13:00:36,462 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_v8_memory_req [2020-09-25 13:00:36,462 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_memory_req [2020-09-25 13:00:36,462 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_get_mac_addr [2020-09-25 13:00:36,462 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_i2c_req [2020-09-25 13:00:36,462 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_read_ibi_reg [2020-09-25 13:00:36,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:00:36,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:00:36,463 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_write_ibi_reg [2020-09-25 13:00:36,463 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_i2c_request [2020-09-25 13:00:36,463 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-25 13:00:36,463 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_process_frame [2020-09-25 13:00:36,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-25 13:00:36,463 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_urb_complete [2020-09-25 13:00:36,464 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_stream_control [2020-09-25 13:00:36,464 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2020-09-25 13:00:36,464 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_init [2020-09-25 13:00:36,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:00:36,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-25 13:00:36,464 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_init [2020-09-25 13:00:36,464 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2020-09-25 13:00:36,464 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_probe [2020-09-25 13:00:36,465 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_disconnect [2020-09-25 13:00:36,465 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_driver_init [2020-09-25 13:00:36,465 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_driver_exit [2020-09-25 13:00:36,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 13:00:36,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 13:00:36,465 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:00:36,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 13:00:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 13:00:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 13:00:36,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-09-25 13:00:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-09-25 13:00:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 13:00:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-09-25 13:00:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 13:00:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 13:00:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 13:00:36,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 13:00:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 13:00:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:00:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 13:00:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:00:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:00:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 13:00:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:00:36,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:00:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 13:00:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:00:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-25 13:00:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-25 13:00:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-25 13:00:36,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-25 13:00:40,941 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:00:40,941 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 13:00:40,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:00:40 BoogieIcfgContainer [2020-09-25 13:00:40,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:00:40,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:00:40,962 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:00:40,966 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:00:40,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:00:33" (1/3) ... [2020-09-25 13:00:40,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c1c0cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:00:40, skipping insertion in model container [2020-09-25 13:00:40,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:35" (2/3) ... [2020-09-25 13:00:40,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c1c0cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:00:40, skipping insertion in model container [2020-09-25 13:00:40,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:00:40" (3/3) ... [2020-09-25 13:00:40,970 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 13:00:40,982 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:00:40,994 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:00:41,015 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:00:41,052 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:00:41,052 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:00:41,052 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:00:41,052 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:00:41,053 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:00:41,053 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:00:41,053 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:00:41,053 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:00:41,107 INFO L276 IsEmpty]: Start isEmpty. Operand 2184 states. [2020-09-25 13:00:41,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-25 13:00:41,125 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:00:41,126 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 13:00:41,127 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:00:41,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:00:41,135 INFO L82 PathProgramCache]: Analyzing trace with hash 2037642771, now seen corresponding path program 1 times [2020-09-25 13:00:41,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:00:41,146 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [797528678] [2020-09-25 13:00:41,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:00:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:42,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:43,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:44,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:00:44,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 13:00:44,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:00:44,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2658 [2020-09-25 13:00:44,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:00:44,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:00:44,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:00:44,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 162 [2020-09-25 13:00:44,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 13:00:44,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 13:00:45,733 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-25 13:00:45,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:00:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:45,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:46,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:00:46,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-25 13:00:46,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:00:46,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 519 [2020-09-25 13:00:46,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:00:46,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:00:46,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:00:46,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:00:46,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:00:46,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:00:46,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 13:00:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:46,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:46,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:00:46,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:00:46,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:00:46,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-09-25 13:00:46,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:00:46,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:00:46,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:00:46,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:00:46,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 13:00:46,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:00:46,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 13:00:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:47,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:47,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:00:47,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 13:00:47,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:00:47,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 262 [2020-09-25 13:00:47,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:00:47,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:00:47,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:00:47,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:00:47,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 13:00:47,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:00:47,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:00:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:47,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:47,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:00:47,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 13:00:47,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:00:47,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-09-25 13:00:47,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:00:47,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:00:47,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:00:47,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:00:47,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:00:47,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:00:47,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:00:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:47,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:47,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:00:47,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:00:47,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:00:47,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 13:00:47,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:00:47,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:00:47,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:00:47,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:00:47,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:00:47,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:00:47,711 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 13:00:47,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [797528678] [2020-09-25 13:00:47,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:00:47,715 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 13:00:47,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104631619] [2020-09-25 13:00:47,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 13:00:47,723 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:00:47,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 13:00:47,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 13:00:47,744 INFO L87 Difference]: Start difference. First operand 2184 states. Second operand 6 states. [2020-09-25 13:00:49,604 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-25 13:00:53,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:00:53,520 INFO L93 Difference]: Finished difference Result 1052 states and 1161 transitions. [2020-09-25 13:00:53,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 13:00:53,524 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 192 [2020-09-25 13:00:53,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:00:53,550 INFO L225 Difference]: With dead ends: 1052 [2020-09-25 13:00:53,550 INFO L226 Difference]: Without dead ends: 1028 [2020-09-25 13:00:53,556 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 13:00:53,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2020-09-25 13:00:53,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 880. [2020-09-25 13:00:53,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2020-09-25 13:00:53,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 948 transitions. [2020-09-25 13:00:53,736 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 948 transitions. Word has length 192 [2020-09-25 13:00:53,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:00:53,737 INFO L479 AbstractCegarLoop]: Abstraction has 880 states and 948 transitions. [2020-09-25 13:00:53,737 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 13:00:53,737 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 948 transitions. [2020-09-25 13:00:53,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-25 13:00:53,743 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:00:53,743 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 13:00:53,744 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:00:53,744 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:00:53,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:00:53,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1258462011, now seen corresponding path program 1 times [2020-09-25 13:00:53,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:00:53,745 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1162908099] [2020-09-25 13:00:53,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:00:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:54,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:54,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:55,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:00:55,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-09-25 13:00:55,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:00:55,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1937 [2020-09-25 13:00:55,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:00:55,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:00:55,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:00:55,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-09-25 13:00:55,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 13:00:55,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:00:56,788 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-25 13:00:56,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:00:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:56,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:57,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:00:57,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-25 13:00:57,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:00:57,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 398 [2020-09-25 13:00:57,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:00:57,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:00:57,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:00:57,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:00:57,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:00:57,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:00:57,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 13:00:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:57,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:57,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:00:57,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:00:57,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:00:57,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-09-25 13:00:57,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:00:57,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:00:57,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:00:57,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:00:57,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 13:00:57,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:00:57,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 13:00:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:57,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:57,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:00:57,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 13:00:57,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:00:57,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-09-25 13:00:57,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:00:57,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:00:57,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:00:57,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:00:57,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 13:00:57,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:00:57,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:00:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:57,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:57,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:00:57,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 13:00:57,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:00:57,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 13:00:57,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:00:57,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:00:57,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:00:57,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:00:57,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:00:57,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:00:58,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:00:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:58,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:58,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:00:58,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:00:58,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:00:58,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-25 13:00:58,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:00:58,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:00:58,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:00:58,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:00:58,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:00:58,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:00:58,152 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 13:00:58,152 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1162908099] [2020-09-25 13:00:58,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:00:58,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 13:00:58,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380914367] [2020-09-25 13:00:58,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 13:00:58,156 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:00:58,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 13:00:58,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 13:00:58,157 INFO L87 Difference]: Start difference. First operand 880 states and 948 transitions. Second operand 6 states. [2020-09-25 13:00:59,691 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-25 13:01:03,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:01:03,523 INFO L93 Difference]: Finished difference Result 1030 states and 1130 transitions. [2020-09-25 13:01:03,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 13:01:03,524 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 193 [2020-09-25 13:01:03,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:01:03,532 INFO L225 Difference]: With dead ends: 1030 [2020-09-25 13:01:03,532 INFO L226 Difference]: Without dead ends: 1027 [2020-09-25 13:01:03,535 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 13:01:03,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2020-09-25 13:01:03,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 879. [2020-09-25 13:01:03,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2020-09-25 13:01:03,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 946 transitions. [2020-09-25 13:01:03,636 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 946 transitions. Word has length 193 [2020-09-25 13:01:03,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:01:03,637 INFO L479 AbstractCegarLoop]: Abstraction has 879 states and 946 transitions. [2020-09-25 13:01:03,637 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 13:01:03,638 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 946 transitions. [2020-09-25 13:01:03,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-25 13:01:03,641 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:01:03,641 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 13:01:03,641 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:01:03,641 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:01:03,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:01:03,642 INFO L82 PathProgramCache]: Analyzing trace with hash -358490282, now seen corresponding path program 1 times [2020-09-25 13:01:03,642 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:01:03,642 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1342876312] [2020-09-25 13:01:03,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:01:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:03,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:04,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:05,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:05,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-09-25 13:01:05,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:01:05,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1471 [2020-09-25 13:01:05,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:05,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:05,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:05,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-25 13:01:05,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-25 13:01:05,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:06,336 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-09-25 13:01:06,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:01:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:06,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:06,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:06,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-09-25 13:01:06,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:06,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 509 [2020-09-25 13:01:06,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:06,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:06,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:06,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:06,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:06,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:07,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 13:01:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:07,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:07,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:07,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:01:07,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:07,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-09-25 13:01:07,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:07,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:07,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:07,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:07,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:01:07,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:07,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 13:01:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:07,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:07,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:07,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 13:01:07,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:07,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-09-25 13:01:07,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:07,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:07,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:07,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:07,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-25 13:01:07,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:07,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:01:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:07,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:07,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:07,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-25 13:01:07,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:07,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-25 13:01:07,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:07,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:07,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:07,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:07,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:07,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:07,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:01:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:07,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:07,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:07,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:01:07,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:07,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-25 13:01:07,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:07,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:07,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:07,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:07,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:07,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:08,052 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 13:01:08,054 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1342876312] [2020-09-25 13:01:08,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:01:08,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 13:01:08,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717284617] [2020-09-25 13:01:08,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 13:01:08,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:01:08,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 13:01:08,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 13:01:08,057 INFO L87 Difference]: Start difference. First operand 879 states and 946 transitions. Second operand 6 states. [2020-09-25 13:01:09,593 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-09-25 13:01:13,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:01:13,110 INFO L93 Difference]: Finished difference Result 1027 states and 1127 transitions. [2020-09-25 13:01:13,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 13:01:13,111 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 194 [2020-09-25 13:01:13,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:01:13,113 INFO L225 Difference]: With dead ends: 1027 [2020-09-25 13:01:13,113 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 13:01:13,119 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 13:01:13,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 13:01:13,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 13:01:13,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 13:01:13,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 13:01:13,120 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 194 [2020-09-25 13:01:13,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:01:13,120 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 13:01:13,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 13:01:13,120 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 13:01:13,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 13:01:13,120 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:01:13,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 13:01:13,635 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 13:01:14,083 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 13:01:14,534 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 13:01:14,973 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 13:01:15,413 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 13:01:15,849 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 13:01:16,281 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 13:01:16,708 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 13:01:17,135 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 13:01:17,567 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 13:01:17,999 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 13:01:18,423 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 13:01:18,843 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 13:01:19,250 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 13:01:19,650 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 13:01:20,050 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 19 [2020-09-25 13:01:20,492 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 13:01:20,922 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 13:01:21,350 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 13:01:21,776 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 13:01:22,202 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 13:01:22,632 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2020-09-25 13:01:23,057 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 320