/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 SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--smsc95xx.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 12:20:07,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 12:20:07,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 12:20:07,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 12:20:07,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 12:20:07,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 12:20:07,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 12:20:07,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 12:20:07,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 12:20:07,801 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 12:20:07,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 12:20:07,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 12:20:07,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 12:20:07,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 12:20:07,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 12:20:07,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 12:20:07,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 12:20:07,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 12:20:07,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 12:20:07,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 12:20:07,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 12:20:07,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 12:20:07,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 12:20:07,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 12:20:07,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 12:20:07,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 12:20:07,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 12:20:07,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 12:20:07,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 12:20:07,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 12:20:07,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 12:20:07,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 12:20:07,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 12:20:07,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 12:20:07,857 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 12:20:07,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 12:20:07,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 12:20:07,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 12:20:07,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 12:20:07,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 12:20:07,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 12:20:07,864 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 [2020-10-14 12:20:07,900 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 12:20:07,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 12:20:07,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 12:20:07,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 12:20:07,903 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 12:20:07,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 12:20:07,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 12:20:07,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 12:20:07,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 12:20:07,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 12:20:07,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 12:20:07,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 12:20:07,905 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 12:20:07,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 12:20:07,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 12:20:07,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 12:20:07,906 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 12:20:07,906 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 12:20:07,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 12:20:07,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 12:20:07,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 12:20:07,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 12:20:07,907 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 12:20:07,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 12:20:07,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 12:20:07,908 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 12:20:07,908 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-14 12:20:07,908 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 -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 12:20:08,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 12:20:08,251 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 12:20:08,255 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 12:20:08,256 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 12:20:08,257 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 12:20:08,258 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--smsc95xx.ko-entry_point.cil.out.i [2020-10-14 12:20:08,329 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5bb9c2a06/937dc354b8f64090944826bf116e96c7/FLAGb59ed61dd [2020-10-14 12:20:09,109 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 12:20:09,110 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--smsc95xx.ko-entry_point.cil.out.i [2020-10-14 12:20:09,159 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5bb9c2a06/937dc354b8f64090944826bf116e96c7/FLAGb59ed61dd [2020-10-14 12:20:09,592 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5bb9c2a06/937dc354b8f64090944826bf116e96c7 [2020-10-14 12:20:09,602 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 12:20:09,603 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 12:20:09,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 12:20:09,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 12:20:09,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 12:20:09,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:20:09" (1/1) ... [2020-10-14 12:20:09,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a9139df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:09, skipping insertion in model container [2020-10-14 12:20:09,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:20:09" (1/1) ... [2020-10-14 12:20:09,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 12:20:09,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 12:20:12,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 12:20:12,297 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 12:20:12,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 12:20:13,397 INFO L208 MainTranslator]: Completed translation [2020-10-14 12:20:13,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:13 WrapperNode [2020-10-14 12:20:13,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 12:20:13,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 12:20:13,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 12:20:13,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 12:20:13,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:13" (1/1) ... [2020-10-14 12:20:13,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:13" (1/1) ... [2020-10-14 12:20:13,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:13" (1/1) ... [2020-10-14 12:20:13,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:13" (1/1) ... [2020-10-14 12:20:13,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:13" (1/1) ... [2020-10-14 12:20:13,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:13" (1/1) ... [2020-10-14 12:20:13,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:13" (1/1) ... [2020-10-14 12:20:13,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 12:20:13,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 12:20:13,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 12:20:13,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 12:20:13,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:13" (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 [2020-10-14 12:20:13,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 12:20:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 12:20:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~X~~u16~0~TO~int [2020-10-14 12:20:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-14 12:20:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-14 12:20:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-14 12:20:13,880 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-14 12:20:13,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-14 12:20:13,881 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-14 12:20:13,882 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-14 12:20:13,882 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 12:20:13,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 12:20:13,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-14 12:20:13,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-14 12:20:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-14 12:20:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-14 12:20:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-14 12:20:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-14 12:20:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-14 12:20:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_fold [2020-10-14 12:20:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-10-14 12:20:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2020-10-14 12:20:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2020-10-14 12:20:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2020-10-14 12:20:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-10-14 12:20:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_start_offset [2020-10-14 12:20:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2020-10-14 12:20:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-14 12:20:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2020-10-14 12:20:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2020-10-14 12:20:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2020-10-14 12:20:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2020-10-14 12:20:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_random_addr [2020-10-14 12:20:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2020-10-14 12:20:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2020-10-14 12:20:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_resolve_flowctrl_fdx [2020-10-14 12:20:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_read_reg [2020-10-14 12:20:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_write_reg [2020-10-14 12:20:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_reg_nopm [2020-10-14 12:20:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg_nopm [2020-10-14 12:20:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_reg [2020-10-14 12:20:13,889 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg [2020-10-14 12:20:13,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_phy_wait_not_busy [2020-10-14 12:20:13,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_mdio_read [2020-10-14 12:20:13,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_mdio_write [2020-10-14 12:20:13,890 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_read_nopm [2020-10-14 12:20:13,890 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_write_nopm [2020-10-14 12:20:13,890 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_read [2020-10-14 12:20:13,890 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_write [2020-10-14 12:20:13,891 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_wait_eeprom [2020-10-14 12:20:13,891 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_eeprom_confirm_not_busy [2020-10-14 12:20:13,891 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_eeprom [2020-10-14 12:20:13,891 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_eeprom [2020-10-14 12:20:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg_async [2020-10-14 12:20:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_hash [2020-10-14 12:20:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_set_multicast [2020-10-14 12:20:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_phy_update_flowcontrol [2020-10-14 12:20:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_link_reset [2020-10-14 12:20:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_status [2020-10-14 12:20:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_set_features [2020-10-14 12:20:13,893 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_get_eeprom_len [2020-10-14 12:20:13,893 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_get_eeprom [2020-10-14 12:20:13,893 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_set_eeprom [2020-10-14 12:20:13,894 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_getregslen [2020-10-14 12:20:13,894 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_getregs [2020-10-14 12:20:13,894 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_get_wol [2020-10-14 12:20:13,894 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_set_wol [2020-10-14 12:20:13,894 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ioctl [2020-10-14 12:20:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_init_mac_address [2020-10-14 12:20:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_set_mac_address [2020-10-14 12:20:13,895 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_start_tx_path [2020-10-14 12:20:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_start_rx_path [2020-10-14 12:20:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_phy_initialize [2020-10-14 12:20:13,897 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_reset [2020-10-14 12:20:13,897 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_bind [2020-10-14 12:20:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_unbind [2020-10-14 12:20:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc_crc [2020-10-14 12:20:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enable_phy_wakeup_interrupts [2020-10-14 12:20:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_link_ok_nopm [2020-10-14 12:20:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend0 [2020-10-14 12:20:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend1 [2020-10-14 12:20:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend2 [2020-10-14 12:20:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend3 [2020-10-14 12:20:13,899 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_autosuspend [2020-10-14 12:20:13,899 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_suspend [2020-10-14 12:20:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_resume [2020-10-14 12:20:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_rx_csum_offload [2020-10-14 12:20:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_rx_fixup [2020-10-14 12:20:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_calc_csum_preamble [2020-10-14 12:20:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_tx_fixup [2020-10-14 12:20:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_manage_power [2020-10-14 12:20:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_driver_init [2020-10-14 12:20:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_driver_exit [2020-10-14 12:20:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2020-10-14 12:20:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_3 [2020-10-14 12:20:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_4 [2020-10-14 12:20:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-14 12:20:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 12:20:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_2 [2020-10-14 12:20:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_4 [2020-10-14 12:20:13,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_5 [2020-10-14 12:20:13,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_6 [2020-10-14 12:20:13,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-14 12:20:13,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-10-14 12:20:13,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-10-14 12:20:13,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-10-14 12:20:13,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2020-10-14 12:20:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-10-14 12:20:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-10-14 12:20:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-10-14 12:20:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-10-14 12:20:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2020-10-14 12:20:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-10-14 12:20:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-10-14 12:20:13,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-10-14 12:20:13,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-10-14 12:20:13,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-10-14 12:20:13,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-10-14 12:20:13,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 12:20:13,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-14 12:20:13,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2020-10-14 12:20:13,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-14 12:20:13,906 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-14 12:20:13,906 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-14 12:20:13,906 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev16 [2020-10-14 12:20:13,907 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2020-10-14 12:20:13,907 INFO L138 BoogieDeclarations]: Found implementation of procedure crc16 [2020-10-14 12:20:13,908 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-10-14 12:20:13,911 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_partial [2020-10-14 12:20:13,911 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-14 12:20:13,911 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2020-10-14 12:20:13,911 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2020-10-14 12:20:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2020-10-14 12:20:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_mii_ioctl [2020-10-14 12:20:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2020-10-14 12:20:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 12:20:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_3 [2020-10-14 12:20:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_3 [2020-10-14 12:20:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_check_media [2020-10-14 12:20:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2020-10-14 12:20:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2020-10-14 12:20:13,914 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-14 12:20:13,914 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-14 12:20:13,914 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-14 12:20:13,915 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2020-10-14 12:20:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2020-10-14 12:20:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-14 12:20:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-10-14 12:20:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2020-10-14 12:20:13,922 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-14 12:20:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-14 12:20:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-14 12:20:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2020-10-14 12:20:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-14 12:20:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-14 12:20:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_change_mtu [2020-10-14 12:20:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_defer_kevent [2020-10-14 12:20:13,923 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-10-14 12:20:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_drvinfo [2020-10-14 12:20:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2020-10-14 12:20:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_link [2020-10-14 12:20:13,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_msglevel [2020-10-14 12:20:13,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_settings [2020-10-14 12:20:13,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_nway_reset [2020-10-14 12:20:13,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2020-10-14 12:20:13,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-10-14 12:20:13,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-10-14 12:20:13,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_set_msglevel [2020-10-14 12:20:13,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_set_settings [2020-10-14 12:20:13,925 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2020-10-14 12:20:13,926 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_start_xmit [2020-10-14 12:20:13,926 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2020-10-14 12:20:13,926 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-10-14 12:20:13,926 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2020-10-14 12:20:13,926 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_write_cmd_async [2020-10-14 12:20:13,926 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 12:20:13,926 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-14 12:20:13,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-14 12:20:13,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-14 12:20:13,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 12:20:13,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-14 12:20:13,927 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-14 12:20:13,927 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-14 12:20:13,927 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-14 12:20:13,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 12:20:13,928 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-14 12:20:13,928 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2020-10-14 12:20:13,928 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-14 12:20:13,928 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-14 12:20:13,928 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-14 12:20:13,928 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-14 12:20:13,928 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-14 12:20:13,928 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-14 12:20:13,928 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-14 12:20:13,929 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-14 12:20:13,929 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-14 12:20:13,929 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2020-10-14 12:20:13,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_2 [2020-10-14 12:20:13,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_4 [2020-10-14 12:20:13,929 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2020-10-14 12:20:13,929 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-14 12:20:13,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_5 [2020-10-14 12:20:13,930 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-14 12:20:13,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_6 [2020-10-14 12:20:13,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-10-14 12:20:13,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-10-14 12:20:13,930 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 12:20:13,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 12:20:13,930 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-14 12:20:13,930 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-14 12:20:13,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-14 12:20:13,931 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-14 12:20:13,931 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 12:20:13,931 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 12:20:13,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 12:20:13,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2020-10-14 12:20:13,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 12:20:13,931 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 12:20:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 12:20:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 12:20:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-14 12:20:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-14 12:20:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-14 12:20:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-14 12:20:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-14 12:20:13,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-14 12:20:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2020-10-14 12:20:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_3 [2020-10-14 12:20:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_4 [2020-10-14 12:20:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-14 12:20:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2020-10-14 12:20:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure csum_fold [2020-10-14 12:20:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure csum_partial [2020-10-14 12:20:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-10-14 12:20:13,933 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2020-10-14 12:20:13,934 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-10-14 12:20:13,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 12:20:13,934 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2020-10-14 12:20:13,934 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2020-10-14 12:20:13,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 12:20:13,934 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2020-10-14 12:20:13,934 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-14 12:20:13,934 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-14 12:20:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-10-14 12:20:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_start_offset [2020-10-14 12:20:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-14 12:20:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2020-10-14 12:20:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-14 12:20:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2020-10-14 12:20:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-14 12:20:13,935 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2020-10-14 12:20:13,936 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2020-10-14 12:20:13,936 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2020-10-14 12:20:13,936 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2020-10-14 12:20:13,937 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2020-10-14 12:20:13,941 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2020-10-14 12:20:13,941 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2020-10-14 12:20:13,941 INFO L130 BoogieDeclarations]: Found specification of procedure eth_random_addr [2020-10-14 12:20:13,941 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2020-10-14 12:20:13,941 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2020-10-14 12:20:13,942 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2020-10-14 12:20:13,942 INFO L130 BoogieDeclarations]: Found specification of procedure mii_check_media [2020-10-14 12:20:13,942 INFO L130 BoogieDeclarations]: Found specification of procedure generic_mii_ioctl [2020-10-14 12:20:13,942 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2020-10-14 12:20:13,942 INFO L130 BoogieDeclarations]: Found specification of procedure mii_resolve_flowctrl_fdx [2020-10-14 12:20:13,942 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev16 [2020-10-14 12:20:13,942 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2020-10-14 12:20:13,942 INFO L130 BoogieDeclarations]: Found specification of procedure crc16 [2020-10-14 12:20:13,942 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-10-14 12:20:13,943 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-10-14 12:20:13,943 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-10-14 12:20:13,943 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-10-14 12:20:13,943 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-10-14 12:20:13,945 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd [2020-10-14 12:20:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd [2020-10-14 12:20:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd_nopm [2020-10-14 12:20:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd_nopm [2020-10-14 12:20:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd_async [2020-10-14 12:20:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2020-10-14 12:20:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2020-10-14 12:20:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_start_xmit [2020-10-14 12:20:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2020-10-14 12:20:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_change_mtu [2020-10-14 12:20:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2020-10-14 12:20:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_defer_kevent [2020-10-14 12:20:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2020-10-14 12:20:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_settings [2020-10-14 12:20:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_set_settings [2020-10-14 12:20:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_link [2020-10-14 12:20:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_msglevel [2020-10-14 12:20:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_set_msglevel [2020-10-14 12:20:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_drvinfo [2020-10-14 12:20:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_nway_reset [2020-10-14 12:20:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_read_reg [2020-10-14 12:20:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 12:20:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~X~~u16~0~X~$Pointer$~X~~u16~0~TO~int [2020-10-14 12:20:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 12:20:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_write_reg [2020-10-14 12:20:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_reg_nopm [2020-10-14 12:20:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg_nopm [2020-10-14 12:20:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_reg [2020-10-14 12:20:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg [2020-10-14 12:20:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_phy_wait_not_busy [2020-10-14 12:20:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_mdio_read [2020-10-14 12:20:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_mdio_write [2020-10-14 12:20:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_read_nopm [2020-10-14 12:20:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_write_nopm [2020-10-14 12:20:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_read [2020-10-14 12:20:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_write [2020-10-14 12:20:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_wait_eeprom [2020-10-14 12:20:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_eeprom_confirm_not_busy [2020-10-14 12:20:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_eeprom [2020-10-14 12:20:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_eeprom [2020-10-14 12:20:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg_async [2020-10-14 12:20:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_hash [2020-10-14 12:20:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_set_multicast [2020-10-14 12:20:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 12:20:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_phy_update_flowcontrol [2020-10-14 12:20:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_link_reset [2020-10-14 12:20:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_status [2020-10-14 12:20:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-14 12:20:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_set_features [2020-10-14 12:20:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_get_eeprom_len [2020-10-14 12:20:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_get_eeprom [2020-10-14 12:20:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_set_eeprom [2020-10-14 12:20:13,952 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_getregslen [2020-10-14 12:20:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_getregs [2020-10-14 12:20:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_get_wol [2020-10-14 12:20:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_set_wol [2020-10-14 12:20:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ioctl [2020-10-14 12:20:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_init_mac_address [2020-10-14 12:20:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_set_mac_address [2020-10-14 12:20:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_start_tx_path [2020-10-14 12:20:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_start_rx_path [2020-10-14 12:20:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_phy_initialize [2020-10-14 12:20:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_reset [2020-10-14 12:20:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_bind [2020-10-14 12:20:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_unbind [2020-10-14 12:20:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure smsc_crc [2020-10-14 12:20:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enable_phy_wakeup_interrupts [2020-10-14 12:20:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_link_ok_nopm [2020-10-14 12:20:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend0 [2020-10-14 12:20:13,954 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend1 [2020-10-14 12:20:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend2 [2020-10-14 12:20:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend3 [2020-10-14 12:20:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_autosuspend [2020-10-14 12:20:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_suspend [2020-10-14 12:20:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-14 12:20:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_resume [2020-10-14 12:20:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_rx_csum_offload [2020-10-14 12:20:13,955 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_rx_fixup [2020-10-14 12:20:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_calc_csum_preamble [2020-10-14 12:20:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_tx_fixup [2020-10-14 12:20:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_manage_power [2020-10-14 12:20:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_driver_init [2020-10-14 12:20:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_driver_exit [2020-10-14 12:20:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_3 [2020-10-14 12:20:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 12:20:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 12:20:13,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_3 [2020-10-14 12:20:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 12:20:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-14 12:20:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-10-14 12:20:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-10-14 12:20:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2020-10-14 12:20:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-10-14 12:20:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-10-14 12:20:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-10-14 12:20:13,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-10-14 12:20:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-14 12:20:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2020-10-14 12:20:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-10-14 12:20:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-10-14 12:20:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-10-14 12:20:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-10-14 12:20:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-10-14 12:20:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-14 12:20:13,958 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-14 12:20:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 12:20:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 12:20:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 12:20:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 12:20:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 12:20:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-14 12:20:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-14 12:20:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-14 12:20:13,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-14 12:20:15,177 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-14 12:20:26,267 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-14 12:20:34,250 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 12:20:34,251 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-14 12:20:34,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:20:34 BoogieIcfgContainer [2020-10-14 12:20:34,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 12:20:34,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 12:20:34,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 12:20:34,269 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 12:20:34,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:20:09" (1/3) ... [2020-10-14 12:20:34,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc91666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:20:34, skipping insertion in model container [2020-10-14 12:20:34,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:20:13" (2/3) ... [2020-10-14 12:20:34,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc91666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:20:34, skipping insertion in model container [2020-10-14 12:20:34,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:20:34" (3/3) ... [2020-10-14 12:20:34,272 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--smsc95xx.ko-entry_point.cil.out.i [2020-10-14 12:20:34,283 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 12:20:34,293 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 12:20:34,308 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 12:20:34,340 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 12:20:34,341 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 12:20:34,341 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 12:20:34,341 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 12:20:34,341 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 12:20:34,341 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 12:20:34,341 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 12:20:34,341 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 12:20:34,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states. [2020-10-14 12:20:34,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-14 12:20:34,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:20:34,415 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 12:20:34,415 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:20:34,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:20:34,421 INFO L82 PathProgramCache]: Analyzing trace with hash -377958780, now seen corresponding path program 1 times [2020-10-14 12:20:34,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:20:34,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1202171169] [2020-10-14 12:20:34,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:20:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:20:36,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:37,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:37,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:42,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:20:42,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-14 12:20:42,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 12:20:42,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7047 [2020-10-14 12:20:42,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:20:42,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:20:42,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 12:20:42,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-14 12:20:42,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 12:20:42,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 12:20:52,730 WARN L193 SmtUtils]: Spent 9.68 s on a formula simplification that was a NOOP. DAG size: 1594 [2020-10-14 12:20:52,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:20:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:20:52,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:56,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:20:56,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:20:56,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:20:56,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4196 [2020-10-14 12:20:56,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:20:56,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:20:56,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:20:56,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:20:56,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:20:56,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:20:57,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:20:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:20:57,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:57,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:20:57,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:20:57,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:20:57,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 12:20:57,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:20:57,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:20:57,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:20:57,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:20:57,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:20:57,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:20:57,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 12:20:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:20:57,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:57,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:20:57,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:20:57,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:20:57,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 12:20:57,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:20:57,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:20:57,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:20:57,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:20:57,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:20:57,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:20:57,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 12:20:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:20:57,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:57,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:20:57,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:20:57,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:20:57,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 12:20:57,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:20:57,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:20:57,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:20:57,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:20:57,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:20:57,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 12:20:57,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 12:20:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:20:57,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:57,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:20:57,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:20:57,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:20:57,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 12:20:57,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:20:57,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:20:57,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:20:57,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:20:57,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:20:57,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:20:57,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 12:20:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:20:57,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:57,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:20:57,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:20:57,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:20:57,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 12:20:57,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:20:57,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:20:57,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:20:57,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:20:57,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:20:57,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:20:57,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 12:20:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:20:57,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:57,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:20:57,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:20:57,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:20:57,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 12:20:57,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:20:57,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:20:57,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:20:57,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:20:57,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:20:57,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:20:57,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 12:20:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:20:57,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:57,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:20:57,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:20:57,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:20:57,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 12:20:57,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:20:57,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:20:57,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:20:57,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:20:57,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:20:57,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:20:57,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 12:20:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:20:57,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:57,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:20:57,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:20:57,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:20:57,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 12:20:57,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:20:57,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:20:57,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:20:57,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:20:57,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:20:57,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:20:57,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 12:20:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:20:57,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:57,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:20:57,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:20:57,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:20:57,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 12:20:57,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:20:57,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:20:57,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:20:57,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:20:57,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:20:57,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:20:57,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 12:20:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:20:57,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:57,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:20:57,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:20:57,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:20:57,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 12:20:57,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:20:57,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:20:57,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:20:57,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:20:57,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:20:57,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:20:57,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-14 12:20:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:20:57,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:57,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:20:57,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:20:57,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:20:57,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 12:20:57,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:20:57,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:20:57,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:20:57,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:20:57,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:20:57,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:20:57,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 12:20:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:20:57,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:57,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:57,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:20:57,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:20:57,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 12:20:57,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 12:20:57,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:20:57,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:20:57,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:20:57,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:20:57,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:20:57,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:20:57,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-14 12:20:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:20:57,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:57,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:57,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:20:57,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:20:57,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 12:20:57,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 12:20:57,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:20:57,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:20:57,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:20:57,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:20:57,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:20:57,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:20:57,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 12:20:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:20:57,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:20:57,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:20:57,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:20:57,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:20:57,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 12:20:57,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:20:57,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:20:57,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 12:20:57,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 12:20:57,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 12:20:57,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:20:58,004 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2020-10-14 12:20:58,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1202171169] [2020-10-14 12:20:58,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:20:58,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 12:20:58,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525935340] [2020-10-14 12:20:58,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 12:20:58,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:20:58,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 12:20:58,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-14 12:20:58,036 INFO L87 Difference]: Start difference. First operand 1864 states. Second operand 7 states. [2020-10-14 12:21:07,780 WARN L193 SmtUtils]: Spent 9.66 s on a formula simplification that was a NOOP. DAG size: 1603 [2020-10-14 12:21:23,097 WARN L193 SmtUtils]: Spent 10.22 s on a formula simplification that was a NOOP. DAG size: 1606 [2020-10-14 12:21:32,719 WARN L193 SmtUtils]: Spent 9.50 s on a formula simplification that was a NOOP. DAG size: 1608 [2020-10-14 12:22:49,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:22:49,052 INFO L93 Difference]: Finished difference Result 3739 states and 5315 transitions. [2020-10-14 12:22:49,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 12:22:49,053 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 109 [2020-10-14 12:22:49,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:22:49,095 INFO L225 Difference]: With dead ends: 3739 [2020-10-14 12:22:49,095 INFO L226 Difference]: Without dead ends: 1922 [2020-10-14 12:22:49,113 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 39.4s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-14 12:22:49,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1922 states. [2020-10-14 12:22:49,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1922 to 1777. [2020-10-14 12:22:49,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1777 states. [2020-10-14 12:22:49,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1777 states and 2452 transitions. [2020-10-14 12:22:49,882 INFO L78 Accepts]: Start accepts. Automaton has 1777 states and 2452 transitions. Word has length 109 [2020-10-14 12:22:49,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:22:49,883 INFO L479 AbstractCegarLoop]: Abstraction has 1777 states and 2452 transitions. [2020-10-14 12:22:49,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 12:22:49,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 2452 transitions. [2020-10-14 12:22:49,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-14 12:22:49,890 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:22:49,890 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 12:22:49,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 12:22:49,891 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:22:49,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:22:49,891 INFO L82 PathProgramCache]: Analyzing trace with hash 598271567, now seen corresponding path program 1 times [2020-10-14 12:22:49,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:22:49,892 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1250412466] [2020-10-14 12:22:49,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:22:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:22:50,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:22:51,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:22:51,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:22:56,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:22:56,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-14 12:22:56,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 12:22:56,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6131 [2020-10-14 12:22:56,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:22:56,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:22:56,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:22:56,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 123 [2020-10-14 12:22:56,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 12:22:56,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:06,574 WARN L193 SmtUtils]: Spent 9.75 s on a formula simplification that was a NOOP. DAG size: 1594 [2020-10-14 12:23:06,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:23:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:06,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:10,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:10,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:23:10,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:10,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3802 [2020-10-14 12:23:10,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:10,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:10,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:10,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:10,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:10,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:10,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:23:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:10,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:10,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:10,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:23:10,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:10,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 12:23:10,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:10,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:10,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:10,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:10,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:10,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:10,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 12:23:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:10,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:10,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:10,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:23:10,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:10,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 12:23:10,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:10,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:10,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:10,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:10,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:10,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:23:10,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 12:23:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:10,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:10,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:10,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:23:10,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:10,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 12:23:10,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:10,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:10,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:10,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:10,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:10,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:23:10,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 12:23:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:10,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:10,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:10,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:23:10,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:10,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 12:23:10,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:10,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:10,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:10,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:10,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:10,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:10,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-14 12:23:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:10,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:10,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:10,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:23:10,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:10,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 12:23:10,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:10,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:10,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:10,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:10,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:10,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:10,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 12:23:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:10,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:10,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:10,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:23:10,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:10,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 12:23:10,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:10,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:10,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:10,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:10,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:10,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:23:10,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 12:23:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:10,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:10,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:10,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:23:10,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:10,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 12:23:10,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:10,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:10,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:10,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:10,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:10,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:10,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 12:23:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:10,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:10,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:10,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:23:10,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:10,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 12:23:10,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:10,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:10,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:10,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:10,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:10,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:23:10,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 12:23:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:10,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:10,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:10,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:23:10,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:10,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 12:23:10,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:10,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:10,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:10,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:10,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:10,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:10,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 12:23:10,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:10,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:10,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:10,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:23:10,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:10,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 12:23:10,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:10,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:10,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:10,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:10,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:10,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:10,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-14 12:23:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:10,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:10,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:10,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:23:10,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:10,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 12:23:10,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:10,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:10,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:10,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:10,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:10,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:10,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-14 12:23:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:10,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:10,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:10,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:10,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 12:23:10,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 12:23:10,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-14 12:23:10,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:10,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:10,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:10,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:10,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:10,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:10,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 12:23:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:11,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:11,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:11,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:11,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 12:23:11,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 12:23:11,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 12:23:11,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:11,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:11,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:11,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:11,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:11,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:11,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-14 12:23:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:11,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:11,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:11,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:11,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 12:23:11,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 12:23:11,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 12:23:11,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:11,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:11,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:11,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:11,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:11,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:11,216 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2020-10-14 12:23:11,217 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1250412466] [2020-10-14 12:23:11,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:23:11,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 12:23:11,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321689749] [2020-10-14 12:23:11,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-14 12:23:11,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:23:11,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-14 12:23:11,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-14 12:23:11,220 INFO L87 Difference]: Start difference. First operand 1777 states and 2452 transitions. Second operand 6 states. [2020-10-14 12:23:20,912 WARN L193 SmtUtils]: Spent 9.65 s on a formula simplification that was a NOOP. DAG size: 1603 [2020-10-14 12:23:36,614 WARN L193 SmtUtils]: Spent 9.62 s on a formula simplification that was a NOOP. DAG size: 1605 [2020-10-14 12:23:49,069 WARN L193 SmtUtils]: Spent 9.82 s on a formula simplification that was a NOOP. DAG size: 1596