/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=BIGGEST --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 [2020-10-12 23:12:38,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 23:12:38,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 23:12:38,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 23:12:38,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 23:12:38,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 23:12:38,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 23:12:38,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 23:12:38,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 23:12:38,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 23:12:38,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 23:12:38,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 23:12:38,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 23:12:38,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 23:12:38,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 23:12:38,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 23:12:38,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 23:12:38,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 23:12:38,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 23:12:38,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 23:12:38,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 23:12:38,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 23:12:38,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 23:12:38,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 23:12:38,821 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 23:12:38,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 23:12:38,822 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 23:12:38,823 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 23:12:38,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 23:12:38,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 23:12:38,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 23:12:38,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 23:12:38,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 23:12:38,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 23:12:38,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 23:12:38,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 23:12:38,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 23:12:38,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 23:12:38,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 23:12:38,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 23:12:38,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 23:12:38,831 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 [2020-10-12 23:12:38,853 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 23:12:38,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 23:12:38,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 23:12:38,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 23:12:38,855 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 23:12:38,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 23:12:38,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 23:12:38,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 23:12:38,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 23:12:38,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 23:12:38,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 23:12:38,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 23:12:38,857 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 23:12:38,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 23:12:38,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 23:12:38,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 23:12:38,858 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 23:12:38,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 23:12:38,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 23:12:38,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 23:12:38,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 23:12:38,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 23:12:38,859 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 23:12:38,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 23:12:38,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 23:12:38,859 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 23:12:38,859 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-12 23:12:38,860 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 23:12:39,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 23:12:39,172 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 23:12:39,176 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 23:12:39,177 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 23:12:39,178 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 23:12:39,179 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--smsc95xx.ko-entry_point.cil.out.i [2020-10-12 23:12:39,249 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/95726bc73/9a4a1f8b60cb4d52b8224b0cd2ed9017/FLAGa5267396f [2020-10-12 23:12:40,031 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 23:12:40,032 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--smsc95xx.ko-entry_point.cil.out.i [2020-10-12 23:12:40,086 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/95726bc73/9a4a1f8b60cb4d52b8224b0cd2ed9017/FLAGa5267396f [2020-10-12 23:12:40,488 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/95726bc73/9a4a1f8b60cb4d52b8224b0cd2ed9017 [2020-10-12 23:12:40,497 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 23:12:40,498 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 23:12:40,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 23:12:40,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 23:12:40,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 23:12:40,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:12:40" (1/1) ... [2020-10-12 23:12:40,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4160d5cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:12:40, skipping insertion in model container [2020-10-12 23:12:40,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:12:40" (1/1) ... [2020-10-12 23:12:40,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 23:12:40,662 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 23:12:42,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 23:12:42,802 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 23:12:43,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 23:12:43,718 INFO L208 MainTranslator]: Completed translation [2020-10-12 23:12:43,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:12:43 WrapperNode [2020-10-12 23:12:43,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 23:12:43,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 23:12:43,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 23:12:43,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 23:12:43,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:12:43" (1/1) ... [2020-10-12 23:12:43,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:12:43" (1/1) ... [2020-10-12 23:12:43,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:12:43" (1/1) ... [2020-10-12 23:12:43,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:12:43" (1/1) ... [2020-10-12 23:12:43,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:12:43" (1/1) ... [2020-10-12 23:12:44,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:12:43" (1/1) ... [2020-10-12 23:12:44,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:12:43" (1/1) ... [2020-10-12 23:12:44,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 23:12:44,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 23:12:44,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 23:12:44,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 23:12:44,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:12:43" (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 [2020-10-12 23:12:44,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 23:12:44,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 23:12:44,130 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 [2020-10-12 23:12:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-12 23:12:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-12 23:12:44,131 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-12 23:12:44,132 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-12 23:12:44,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-12 23:12:44,133 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-12 23:12:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-12 23:12:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-12 23:12:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-12 23:12:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-12 23:12:44,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-12 23:12:44,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-12 23:12:44,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-12 23:12:44,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-12 23:12:44,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-12 23:12:44,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-12 23:12:44,138 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_fold [2020-10-12 23:12:44,138 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-10-12 23:12:44,138 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2020-10-12 23:12:44,138 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2020-10-12 23:12:44,139 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2020-10-12 23:12:44,139 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-10-12 23:12:44,139 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_start_offset [2020-10-12 23:12:44,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2020-10-12 23:12:44,140 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-12 23:12:44,140 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2020-10-12 23:12:44,140 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2020-10-12 23:12:44,140 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2020-10-12 23:12:44,140 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2020-10-12 23:12:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_random_addr [2020-10-12 23:12:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2020-10-12 23:12:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure if_mii [2020-10-12 23:12:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_resolve_flowctrl_fdx [2020-10-12 23:12:44,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_read_reg [2020-10-12 23:12:44,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_write_reg [2020-10-12 23:12:44,142 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_reg_nopm [2020-10-12 23:12:44,142 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg_nopm [2020-10-12 23:12:44,142 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_reg [2020-10-12 23:12:44,142 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg [2020-10-12 23:12:44,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_phy_wait_not_busy [2020-10-12 23:12:44,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_mdio_read [2020-10-12 23:12:44,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __smsc95xx_mdio_write [2020-10-12 23:12:44,145 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_read_nopm [2020-10-12 23:12:44,145 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_write_nopm [2020-10-12 23:12:44,146 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_read [2020-10-12 23:12:44,146 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_mdio_write [2020-10-12 23:12:44,146 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_wait_eeprom [2020-10-12 23:12:44,146 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_eeprom_confirm_not_busy [2020-10-12 23:12:44,146 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_read_eeprom [2020-10-12 23:12:44,147 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_eeprom [2020-10-12 23:12:44,147 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_write_reg_async [2020-10-12 23:12:44,147 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_hash [2020-10-12 23:12:44,148 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_set_multicast [2020-10-12 23:12:44,148 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_phy_update_flowcontrol [2020-10-12 23:12:44,148 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_link_reset [2020-10-12 23:12:44,148 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_status [2020-10-12 23:12:44,148 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_set_features [2020-10-12 23:12:44,148 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_get_eeprom_len [2020-10-12 23:12:44,149 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_get_eeprom [2020-10-12 23:12:44,149 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_set_eeprom [2020-10-12 23:12:44,149 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_getregslen [2020-10-12 23:12:44,149 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_getregs [2020-10-12 23:12:44,149 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_get_wol [2020-10-12 23:12:44,149 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ethtool_set_wol [2020-10-12 23:12:44,150 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_ioctl [2020-10-12 23:12:44,150 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_init_mac_address [2020-10-12 23:12:44,150 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_set_mac_address [2020-10-12 23:12:44,150 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_start_tx_path [2020-10-12 23:12:44,151 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_start_rx_path [2020-10-12 23:12:44,151 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_phy_initialize [2020-10-12 23:12:44,152 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_reset [2020-10-12 23:12:44,152 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_bind [2020-10-12 23:12:44,153 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_unbind [2020-10-12 23:12:44,153 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc_crc [2020-10-12 23:12:44,153 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enable_phy_wakeup_interrupts [2020-10-12 23:12:44,153 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_link_ok_nopm [2020-10-12 23:12:44,153 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend0 [2020-10-12 23:12:44,153 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend1 [2020-10-12 23:12:44,153 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend2 [2020-10-12 23:12:44,153 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_enter_suspend3 [2020-10-12 23:12:44,154 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_autosuspend [2020-10-12 23:12:44,154 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_suspend [2020-10-12 23:12:44,154 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_resume [2020-10-12 23:12:44,155 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_rx_csum_offload [2020-10-12 23:12:44,155 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_rx_fixup [2020-10-12 23:12:44,155 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_calc_csum_preamble [2020-10-12 23:12:44,155 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_tx_fixup [2020-10-12 23:12:44,155 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_manage_power [2020-10-12 23:12:44,155 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_driver_init [2020-10-12 23:12:44,155 INFO L138 BoogieDeclarations]: Found implementation of procedure smsc95xx_driver_exit [2020-10-12 23:12:44,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_driver_info_2 [2020-10-12 23:12:44,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_3 [2020-10-12 23:12:44,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ethtool_ops_4 [2020-10-12 23:12:44,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-12 23:12:44,156 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 23:12:44,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_2 [2020-10-12 23:12:44,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_4 [2020-10-12 23:12:44,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_5 [2020-10-12 23:12:44,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_6 [2020-10-12 23:12:44,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-12 23:12:44,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-10-12 23:12:44,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-10-12 23:12:44,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-10-12 23:12:44,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2020-10-12 23:12:44,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-10-12 23:12:44,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-10-12 23:12:44,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-10-12 23:12:44,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-10-12 23:12:44,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2020-10-12 23:12:44,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-10-12 23:12:44,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-10-12 23:12:44,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-10-12 23:12:44,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-10-12 23:12:44,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-10-12 23:12:44,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-10-12 23:12:44,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-12 23:12:44,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-12 23:12:44,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2020-10-12 23:12:44,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-12 23:12:44,160 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-12 23:12:44,160 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-12 23:12:44,161 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev16 [2020-10-12 23:12:44,161 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2020-10-12 23:12:44,161 INFO L138 BoogieDeclarations]: Found implementation of procedure crc16 [2020-10-12 23:12:44,162 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2020-10-12 23:12:44,162 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_partial [2020-10-12 23:12:44,166 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-12 23:12:44,166 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2020-10-12 23:12:44,166 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2020-10-12 23:12:44,167 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2020-10-12 23:12:44,167 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_mii_ioctl [2020-10-12 23:12:44,167 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2020-10-12 23:12:44,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-12 23:12:44,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_3 [2020-10-12 23:12:44,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_3 [2020-10-12 23:12:44,168 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_check_media [2020-10-12 23:12:44,168 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2020-10-12 23:12:44,168 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2020-10-12 23:12:44,168 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-12 23:12:44,169 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-12 23:12:44,169 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-12 23:12:44,169 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2020-10-12 23:12:44,177 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2020-10-12 23:12:44,177 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-12 23:12:44,177 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-10-12 23:12:44,177 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_expand [2020-10-12 23:12:44,177 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-12 23:12:44,177 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-12 23:12:44,178 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-12 23:12:44,178 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2020-10-12 23:12:44,178 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-12 23:12:44,178 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-12 23:12:44,178 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_change_mtu [2020-10-12 23:12:44,178 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_defer_kevent [2020-10-12 23:12:44,178 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2020-10-12 23:12:44,179 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_drvinfo [2020-10-12 23:12:44,179 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2020-10-12 23:12:44,179 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_link [2020-10-12 23:12:44,179 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_msglevel [2020-10-12 23:12:44,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_settings [2020-10-12 23:12:44,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_nway_reset [2020-10-12 23:12:44,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2020-10-12 23:12:44,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2020-10-12 23:12:44,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2020-10-12 23:12:44,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_set_msglevel [2020-10-12 23:12:44,180 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_set_settings [2020-10-12 23:12:44,181 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2020-10-12 23:12:44,181 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_start_xmit [2020-10-12 23:12:44,181 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2020-10-12 23:12:44,181 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_suspend [2020-10-12 23:12:44,181 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2020-10-12 23:12:44,181 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_write_cmd_async [2020-10-12 23:12:44,181 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-12 23:12:44,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-12 23:12:44,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-12 23:12:44,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-12 23:12:44,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 23:12:44,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-12 23:12:44,182 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-12 23:12:44,183 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-12 23:12:44,183 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-12 23:12:44,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 23:12:44,183 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-12 23:12:44,184 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2020-10-12 23:12:44,184 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-12 23:12:44,184 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-12 23:12:44,184 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-12 23:12:44,184 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-12 23:12:44,184 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-12 23:12:44,184 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-12 23:12:44,184 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-12 23:12:44,185 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-12 23:12:44,185 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-12 23:12:44,185 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2020-10-12 23:12:44,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_2 [2020-10-12 23:12:44,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_4 [2020-10-12 23:12:44,185 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2020-10-12 23:12:44,185 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-12 23:12:44,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_5 [2020-10-12 23:12:44,186 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-12 23:12:44,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_6 [2020-10-12 23:12:44,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-10-12 23:12:44,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-10-12 23:12:44,186 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-12 23:12:44,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-12 23:12:44,186 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-12 23:12:44,186 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-12 23:12:44,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-12 23:12:44,187 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-12 23:12:44,187 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 23:12:44,187 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-12 23:12:44,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 23:12:44,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2020-10-12 23:12:44,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-12 23:12:44,187 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 23:12:44,187 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-12 23:12:44,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 23:12:44,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-12 23:12:44,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-12 23:12:44,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-12 23:12:44,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-12 23:12:44,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-12 23:12:44,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-12 23:12:44,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_driver_info_2 [2020-10-12 23:12:44,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_3 [2020-10-12 23:12:44,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ethtool_ops_4 [2020-10-12 23:12:44,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-12 23:12:44,189 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2020-10-12 23:12:44,189 INFO L130 BoogieDeclarations]: Found specification of procedure csum_fold [2020-10-12 23:12:44,189 INFO L130 BoogieDeclarations]: Found specification of procedure csum_partial [2020-10-12 23:12:44,189 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-10-12 23:12:44,189 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_expand [2020-10-12 23:12:44,190 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-10-12 23:12:44,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 23:12:44,190 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2020-10-12 23:12:44,190 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2020-10-12 23:12:44,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 23:12:44,190 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2020-10-12 23:12:44,190 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-12 23:12:44,190 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-12 23:12:44,190 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-10-12 23:12:44,191 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_start_offset [2020-10-12 23:12:44,191 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-12 23:12:44,191 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2020-10-12 23:12:44,191 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-12 23:12:44,191 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2020-10-12 23:12:44,191 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-12 23:12:44,191 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2020-10-12 23:12:44,191 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2020-10-12 23:12:44,192 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2020-10-12 23:12:44,192 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2020-10-12 23:12:44,192 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2020-10-12 23:12:44,193 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2020-10-12 23:12:44,196 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2020-10-12 23:12:44,197 INFO L130 BoogieDeclarations]: Found specification of procedure eth_random_addr [2020-10-12 23:12:44,197 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2020-10-12 23:12:44,197 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2020-10-12 23:12:44,197 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2020-10-12 23:12:44,197 INFO L130 BoogieDeclarations]: Found specification of procedure mii_check_media [2020-10-12 23:12:44,197 INFO L130 BoogieDeclarations]: Found specification of procedure generic_mii_ioctl [2020-10-12 23:12:44,197 INFO L130 BoogieDeclarations]: Found specification of procedure if_mii [2020-10-12 23:12:44,198 INFO L130 BoogieDeclarations]: Found specification of procedure mii_resolve_flowctrl_fdx [2020-10-12 23:12:44,198 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev16 [2020-10-12 23:12:44,198 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2020-10-12 23:12:44,198 INFO L130 BoogieDeclarations]: Found specification of procedure crc16 [2020-10-12 23:12:44,198 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2020-10-12 23:12:44,198 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2020-10-12 23:12:44,198 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_suspend [2020-10-12 23:12:44,198 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2020-10-12 23:12:44,199 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2020-10-12 23:12:44,201 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd [2020-10-12 23:12:44,201 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd [2020-10-12 23:12:44,201 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_read_cmd_nopm [2020-10-12 23:12:44,201 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd_nopm [2020-10-12 23:12:44,201 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_write_cmd_async [2020-10-12 23:12:44,202 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2020-10-12 23:12:44,202 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2020-10-12 23:12:44,202 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_start_xmit [2020-10-12 23:12:44,202 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2020-10-12 23:12:44,202 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_change_mtu [2020-10-12 23:12:44,202 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2020-10-12 23:12:44,202 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_defer_kevent [2020-10-12 23:12:44,202 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2020-10-12 23:12:44,202 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_settings [2020-10-12 23:12:44,203 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_set_settings [2020-10-12 23:12:44,203 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_link [2020-10-12 23:12:44,203 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_msglevel [2020-10-12 23:12:44,203 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_set_msglevel [2020-10-12 23:12:44,203 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_drvinfo [2020-10-12 23:12:44,203 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_nway_reset [2020-10-12 23:12:44,203 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_read_reg [2020-10-12 23:12:44,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 23:12:44,203 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 [2020-10-12 23:12:44,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 23:12:44,204 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_write_reg [2020-10-12 23:12:44,204 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_reg_nopm [2020-10-12 23:12:44,204 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg_nopm [2020-10-12 23:12:44,204 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_reg [2020-10-12 23:12:44,204 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg [2020-10-12 23:12:44,204 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_phy_wait_not_busy [2020-10-12 23:12:44,204 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_mdio_read [2020-10-12 23:12:44,204 INFO L130 BoogieDeclarations]: Found specification of procedure __smsc95xx_mdio_write [2020-10-12 23:12:44,204 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_read_nopm [2020-10-12 23:12:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_write_nopm [2020-10-12 23:12:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_read [2020-10-12 23:12:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_mdio_write [2020-10-12 23:12:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_wait_eeprom [2020-10-12 23:12:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_eeprom_confirm_not_busy [2020-10-12 23:12:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_read_eeprom [2020-10-12 23:12:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_eeprom [2020-10-12 23:12:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_write_reg_async [2020-10-12 23:12:44,205 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_hash [2020-10-12 23:12:44,206 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_set_multicast [2020-10-12 23:12:44,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 23:12:44,206 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_phy_update_flowcontrol [2020-10-12 23:12:44,206 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_link_reset [2020-10-12 23:12:44,206 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_status [2020-10-12 23:12:44,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-12 23:12:44,206 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_set_features [2020-10-12 23:12:44,206 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_get_eeprom_len [2020-10-12 23:12:44,206 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_get_eeprom [2020-10-12 23:12:44,206 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_set_eeprom [2020-10-12 23:12:44,207 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_getregslen [2020-10-12 23:12:44,207 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_getregs [2020-10-12 23:12:44,207 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_get_wol [2020-10-12 23:12:44,207 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ethtool_set_wol [2020-10-12 23:12:44,207 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_ioctl [2020-10-12 23:12:44,207 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_init_mac_address [2020-10-12 23:12:44,207 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_set_mac_address [2020-10-12 23:12:44,207 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_start_tx_path [2020-10-12 23:12:44,207 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_start_rx_path [2020-10-12 23:12:44,208 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_phy_initialize [2020-10-12 23:12:44,208 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_reset [2020-10-12 23:12:44,208 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_bind [2020-10-12 23:12:44,208 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_unbind [2020-10-12 23:12:44,209 INFO L130 BoogieDeclarations]: Found specification of procedure smsc_crc [2020-10-12 23:12:44,210 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enable_phy_wakeup_interrupts [2020-10-12 23:12:44,210 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_link_ok_nopm [2020-10-12 23:12:44,210 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend0 [2020-10-12 23:12:44,210 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend1 [2020-10-12 23:12:44,210 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend2 [2020-10-12 23:12:44,210 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_enter_suspend3 [2020-10-12 23:12:44,210 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_autosuspend [2020-10-12 23:12:44,210 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_suspend [2020-10-12 23:12:44,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-12 23:12:44,211 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_resume [2020-10-12 23:12:44,211 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_rx_csum_offload [2020-10-12 23:12:44,211 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_rx_fixup [2020-10-12 23:12:44,211 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_calc_csum_preamble [2020-10-12 23:12:44,211 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_tx_fixup [2020-10-12 23:12:44,211 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_manage_power [2020-10-12 23:12:44,211 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_driver_init [2020-10-12 23:12:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure smsc95xx_driver_exit [2020-10-12 23:12:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_3 [2020-10-12 23:12:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-12 23:12:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-12 23:12:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_3 [2020-10-12 23:12:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 23:12:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-12 23:12:44,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-10-12 23:12:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-10-12 23:12:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2020-10-12 23:12:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-10-12 23:12:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-10-12 23:12:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-10-12 23:12:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-10-12 23:12:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-12 23:12:44,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2020-10-12 23:12:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-10-12 23:12:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-10-12 23:12:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-10-12 23:12:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-10-12 23:12:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-10-12 23:12:44,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-12 23:12:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-12 23:12:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 23:12:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 23:12:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-12 23:12:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 23:12:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 23:12:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-12 23:12:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-12 23:12:44,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-12 23:12:44,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-12 23:12:45,320 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-12 23:12:55,912 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-12 23:13:02,779 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 23:13:02,779 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-12 23:13:02,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:13:02 BoogieIcfgContainer [2020-10-12 23:13:02,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 23:13:02,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 23:13:02,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 23:13:02,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 23:13:02,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:12:40" (1/3) ... [2020-10-12 23:13:02,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67dbc42c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:13:02, skipping insertion in model container [2020-10-12 23:13:02,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:12:43" (2/3) ... [2020-10-12 23:13:02,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67dbc42c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:13:02, skipping insertion in model container [2020-10-12 23:13:02,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:13:02" (3/3) ... [2020-10-12 23:13:02,820 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--usb--smsc95xx.ko-entry_point.cil.out.i [2020-10-12 23:13:02,836 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 23:13:02,850 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 23:13:02,872 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 23:13:02,919 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 23:13:02,919 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 23:13:02,920 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 23:13:02,920 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 23:13:02,920 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 23:13:02,920 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 23:13:02,921 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 23:13:02,921 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 23:13:03,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states. [2020-10-12 23:13:03,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-12 23:13:03,032 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:13:03,033 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] [2020-10-12 23:13:03,034 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:13:03,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:13:03,041 INFO L82 PathProgramCache]: Analyzing trace with hash -377958780, now seen corresponding path program 1 times [2020-10-12 23:13:03,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:13:03,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [749893521] [2020-10-12 23:13:03,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:13:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:13:04,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:13:05,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:13:06,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:13:11,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:13:11,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-12 23:13:11,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 23:13:11,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7137 [2020-10-12 23:13:11,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:13:11,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 23:13:11,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-12 23:13:11,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 23:13:11,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 23:13:21,334 WARN L193 SmtUtils]: Spent 9.53 s on a formula simplification that was a NOOP. DAG size: 1594 [2020-10-12 23:13:21,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:13:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:13:21,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:13:26,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:13:26,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:13:26,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:13:26,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5218 [2020-10-12 23:13:26,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:13:26,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:13:26,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:13:26,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:13:26,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:13:26,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:13:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:13:26,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:13:26,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:13:26,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:13:26,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:13:26,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 23:13:26,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:13:26,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:13:26,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:13:26,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:13:26,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:13:26,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 23:13:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:13:26,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:13:26,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:13:26,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:13:26,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:13:26,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 23:13:26,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:13:26,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:13:26,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:13:26,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:13:26,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:13:27,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 23:13:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:13:27,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:13:27,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:13:27,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:13:27,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:13:27,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 23:13:27,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:13:27,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:13:27,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:13:27,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:13:27,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:13:27,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 23:13:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:13:27,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:13:27,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:13:27,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:13:27,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:13:27,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 23:13:27,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:13:27,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:13:27,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:13:27,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:13:27,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:13:27,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 23:13:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:13:27,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:13:27,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:13:27,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:13:27,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:13:27,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 23:13:27,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:13:27,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:13:27,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:13:27,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:13:27,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:13:27,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 23:13:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:13:27,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:13:27,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:13:27,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:13:27,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:13:27,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 23:13:27,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:13:27,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:13:27,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:13:27,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:13:27,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:13:27,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 23:13:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:13:27,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:13:27,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:13:27,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:13:27,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:13:27,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 23:13:27,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:13:27,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:13:27,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:13:27,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:13:27,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:13:27,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 23:13:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:13:27,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:13:27,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:13:27,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:13:27,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:13:27,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 23:13:27,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:13:27,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:13:27,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:13:27,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:13:27,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:13:27,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 23:13:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:13:27,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:13:27,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:13:27,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:13:27,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:13:27,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 23:13:27,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:13:27,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:13:27,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:13:27,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:13:27,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:13:27,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 23:13:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:13:27,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:13:27,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:13:27,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:13:27,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:13:27,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 23:13:27,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:13:27,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:13:27,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:13:27,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:13:27,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:13:27,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 23:13:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:13:27,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:13:27,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:13:27,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:13:27,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:13:27,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 23:13:27,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:13:27,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:13:27,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:13:27,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:13:27,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:13:27,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 23:13:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:13:27,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:13:27,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:13:27,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:13:27,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:13:27,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 23:13:27,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 23:13:27,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:13:27,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 23:13:27,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 23:13:27,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:13:27,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:13:27,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 23:13:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:13:27,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:13:27,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:13:27,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:13:27,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:13:27,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-12 23:13:27,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:13:27,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 23:13:27,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 23:13:27,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:13:27,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:13:27,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 23:13:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:13:27,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:13:27,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:13:27,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:13:27,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:13:27,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 23:13:27,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-12 23:13:27,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:13:27,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 23:13:27,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 23:13:27,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 23:13:27,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:13:27,943 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2020-10-12 23:13:27,945 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [749893521] [2020-10-12 23:13:27,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 23:13:27,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 23:13:27,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135182577] [2020-10-12 23:13:27,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 23:13:27,955 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:13:27,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 23:13:27,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-12 23:13:27,972 INFO L87 Difference]: Start difference. First operand 1864 states. Second operand 7 states. [2020-10-12 23:13:37,437 WARN L193 SmtUtils]: Spent 9.36 s on a formula simplification that was a NOOP. DAG size: 1603 [2020-10-12 23:13:52,538 WARN L193 SmtUtils]: Spent 10.01 s on a formula simplification that was a NOOP. DAG size: 1606 [2020-10-12 23:14:02,420 WARN L193 SmtUtils]: Spent 9.78 s on a formula simplification that was a NOOP. DAG size: 1608 [2020-10-12 23:15:09,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 23:15:09,639 INFO L93 Difference]: Finished difference Result 3739 states and 5315 transitions. [2020-10-12 23:15:09,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 23:15:09,641 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 109 [2020-10-12 23:15:09,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 23:15:09,677 INFO L225 Difference]: With dead ends: 3739 [2020-10-12 23:15:09,677 INFO L226 Difference]: Without dead ends: 1922 [2020-10-12 23:15:09,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 39.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-12 23:15:09,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1922 states. [2020-10-12 23:15:10,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1922 to 1777. [2020-10-12 23:15:10,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1777 states. [2020-10-12 23:15:10,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1777 states and 2452 transitions. [2020-10-12 23:15:10,441 INFO L78 Accepts]: Start accepts. Automaton has 1777 states and 2452 transitions. Word has length 109 [2020-10-12 23:15:10,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 23:15:10,442 INFO L479 AbstractCegarLoop]: Abstraction has 1777 states and 2452 transitions. [2020-10-12 23:15:10,442 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 23:15:10,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 2452 transitions. [2020-10-12 23:15:10,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-12 23:15:10,447 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 23:15:10,448 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] [2020-10-12 23:15:10,448 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 23:15:10,449 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 23:15:10,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 23:15:10,449 INFO L82 PathProgramCache]: Analyzing trace with hash 598271567, now seen corresponding path program 1 times [2020-10-12 23:15:10,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 23:15:10,450 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1996545111] [2020-10-12 23:15:10,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 23:15:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:15:11,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:11,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:12,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:18,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:15:18,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 154 [2020-10-12 23:15:18,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 23:15:18,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6983 [2020-10-12 23:15:18,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:15:18,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 23:15:18,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-12 23:15:18,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 23:15:18,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:15:27,624 WARN L193 SmtUtils]: Spent 9.33 s on a formula simplification that was a NOOP. DAG size: 1594 [2020-10-12 23:15:27,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 23:15:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:15:27,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:31,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:15:31,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 23:15:31,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:15:31,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3731 [2020-10-12 23:15:31,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:15:31,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:15:31,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:15:31,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:15:31,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:15:31,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 23:15:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:15:31,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:31,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:15:31,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:15:31,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:15:31,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 23:15:31,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:15:31,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:15:31,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:15:31,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:15:31,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:15:31,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 23:15:31,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:15:31,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:31,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:15:31,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:15:31,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:15:31,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 23:15:31,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:15:31,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:15:31,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:15:31,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:15:31,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:15:31,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 23:15:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:15:31,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:31,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:15:31,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:15:31,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:15:31,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 23:15:31,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:15:31,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:15:31,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:15:31,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:15:31,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:15:31,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 23:15:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:15:31,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:31,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:15:31,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:15:31,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:15:31,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 23:15:31,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:15:31,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:15:31,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:15:31,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:15:31,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:15:31,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 23:15:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:15:31,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:31,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:15:31,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:15:31,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:15:31,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 23:15:31,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:15:31,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:15:31,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:15:31,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:15:31,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:15:31,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 23:15:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:15:31,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:31,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:15:31,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:15:31,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:15:31,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 23:15:31,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:15:31,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:15:31,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:15:31,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:15:31,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:15:31,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 23:15:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:15:31,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:31,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:15:31,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:15:31,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:15:31,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 23:15:31,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:15:31,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:15:31,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:15:31,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:15:31,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:15:31,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 23:15:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:15:31,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:31,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:15:31,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:15:31,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:15:31,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 23:15:31,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:15:31,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:15:31,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:15:31,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:15:31,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:15:31,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 23:15:31,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:15:31,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:31,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:15:31,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:15:31,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:15:31,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 23:15:31,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:15:31,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:15:31,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:15:31,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:15:31,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:15:31,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 23:15:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:15:31,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:31,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:15:31,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 23:15:31,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:15:31,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 23:15:31,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:15:31,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:15:31,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:15:31,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:15:31,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:15:31,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 23:15:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:15:31,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:31,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:15:31,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 23:15:31,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:15:31,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 23:15:31,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:15:31,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 23:15:31,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 23:15:31,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 23:15:31,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:15:31,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 23:15:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:15:31,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:31,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:15:31,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 23:15:31,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 23:15:31,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-12 23:15:31,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:15:31,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 23:15:31,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 23:15:31,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 23:15:31,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 23:15:32,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 23:15:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:15:32,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:32,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:32,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:15:32,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 23:15:32,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 23:15:32,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-12 23:15:32,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:15:32,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 23:15:32,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 23:15:32,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 23:15:32,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:15:32,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 23:15:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 23:15:32,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:32,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 23:15:32,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 23:15:32,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 23:15:32,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 23:15:32,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-12 23:15:32,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 23:15:32,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 23:15:32,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 23:15:32,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 23:15:32,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 23:15:32,456 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2020-10-12 23:15:32,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1996545111] [2020-10-12 23:15:32,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 23:15:32,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 23:15:32,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511019663] [2020-10-12 23:15:32,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 23:15:32,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 23:15:32,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 23:15:32,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-12 23:15:32,462 INFO L87 Difference]: Start difference. First operand 1777 states and 2452 transitions. Second operand 8 states. [2020-10-12 23:15:42,574 WARN L193 SmtUtils]: Spent 10.01 s on a formula simplification that was a NOOP. DAG size: 1603 [2020-10-12 23:15:57,116 WARN L193 SmtUtils]: Spent 9.78 s on a formula simplification that was a NOOP. DAG size: 1606 [2020-10-12 23:16:06,673 WARN L193 SmtUtils]: Spent 9.44 s on a formula simplification that was a NOOP. DAG size: 1597 [2020-10-12 23:16:16,061 WARN L193 SmtUtils]: Spent 9.28 s on a formula simplification that was a NOOP. DAG size: 1599