/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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 language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--can-dev.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 23:31:17,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 23:31:17,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 23:31:17,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 23:31:17,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 23:31:17,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 23:31:17,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 23:31:17,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 23:31:17,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 23:31:17,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 23:31:17,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 23:31:17,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 23:31:17,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 23:31:17,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 23:31:17,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 23:31:17,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 23:31:17,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 23:31:17,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 23:31:17,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 23:31:17,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 23:31:17,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 23:31:17,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 23:31:17,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 23:31:17,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 23:31:17,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 23:31:17,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 23:31:17,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 23:31:17,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 23:31:17,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 23:31:17,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 23:31:17,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 23:31:17,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 23:31:17,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 23:31:17,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 23:31:17,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 23:31:17,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 23:31:17,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 23:31:17,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 23:31:17,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 23:31:17,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 23:31:17,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 23:31:17,963 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 [2020-10-28 23:31:18,025 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 23:31:18,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 23:31:18,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 23:31:18,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 23:31:18,030 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 23:31:18,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 23:31:18,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 23:31:18,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 23:31:18,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 23:31:18,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 23:31:18,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 23:31:18,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 23:31:18,032 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 23:31:18,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 23:31:18,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 23:31:18,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 23:31:18,034 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 23:31:18,034 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 23:31:18,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 23:31:18,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 23:31:18,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 23:31:18,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 23:31:18,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 23:31:18,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 23:31:18,036 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 23:31:18,036 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 23:31:18,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 23:31:18,037 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 23:31:18,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 23:31:18,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 23:31:18,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 23:31:18,529 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 23:31:18,530 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 23:31:18,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--can-dev.ko-entry_point.cil.out.i [2020-10-28 23:31:18,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/be066499a/b07975de4d8d46ad90c2c3c0e20b2d6f/FLAGdde733731 [2020-10-28 23:31:19,769 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 23:31:19,770 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--can-dev.ko-entry_point.cil.out.i [2020-10-28 23:31:19,816 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/be066499a/b07975de4d8d46ad90c2c3c0e20b2d6f/FLAGdde733731 [2020-10-28 23:31:20,211 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/be066499a/b07975de4d8d46ad90c2c3c0e20b2d6f [2020-10-28 23:31:20,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 23:31:20,222 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 23:31:20,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 23:31:20,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 23:31:20,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 23:31:20,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:31:20" (1/1) ... [2020-10-28 23:31:20,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64141899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:20, skipping insertion in model container [2020-10-28 23:31:20,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:31:20" (1/1) ... [2020-10-28 23:31:20,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 23:31:20,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 23:31:22,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 23:31:22,240 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 23:31:22,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 23:31:22,839 INFO L208 MainTranslator]: Completed translation [2020-10-28 23:31:22,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:22 WrapperNode [2020-10-28 23:31:22,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 23:31:22,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 23:31:22,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 23:31:22,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 23:31:22,857 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:22" (1/1) ... [2020-10-28 23:31:22,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:22" (1/1) ... [2020-10-28 23:31:22,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:22" (1/1) ... [2020-10-28 23:31:22,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:22" (1/1) ... [2020-10-28 23:31:23,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:22" (1/1) ... [2020-10-28 23:31:23,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:22" (1/1) ... [2020-10-28 23:31:23,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:22" (1/1) ... [2020-10-28 23:31:23,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 23:31:23,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 23:31:23,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 23:31:23,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 23:31:23,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:22" (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 [2020-10-28 23:31:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 23:31:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 23:31:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2020-10-28 23:31:23,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-28 23:31:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-28 23:31:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2020-10-28 23:31:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 23:31:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-28 23:31:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-28 23:31:23,284 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2020-10-28 23:31:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2020-10-28 23:31:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_shared [2020-10-28 23:31:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-10-28 23:31:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 23:31:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 23:31:23,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 23:31:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 23:31:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 23:31:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 23:31:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 23:31:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 23:31:23,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 23:31:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-28 23:31:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2020-10-28 23:31:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_attr_size [2020-10-28 23:31:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_total_size [2020-10-28 23:31:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2020-10-28 23:31:23,287 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2020-10-28 23:31:23,288 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2020-10-28 23:31:23,288 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_hold [2020-10-28 23:31:23,288 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2020-10-28 23:31:23,288 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_prv [2020-10-28 23:31:23,288 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_reserve [2020-10-28 23:31:23,288 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_destructor [2020-10-28 23:31:23,288 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_set_owner [2020-10-28 23:31:23,289 INFO L138 BoogieDeclarations]: Found implementation of procedure can_create_echo_skb [2020-10-28 23:31:23,289 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dlc2len [2020-10-28 23:31:23,289 INFO L138 BoogieDeclarations]: Found implementation of procedure can_len2dlc [2020-10-28 23:31:23,289 INFO L138 BoogieDeclarations]: Found implementation of procedure can_update_spt [2020-10-28 23:31:23,289 INFO L138 BoogieDeclarations]: Found implementation of procedure can_calc_bittiming [2020-10-28 23:31:23,289 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fixup_bittiming [2020-10-28 23:31:23,289 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_bittiming [2020-10-28 23:31:23,290 INFO L138 BoogieDeclarations]: Found implementation of procedure can_flush_echo_skb [2020-10-28 23:31:23,290 INFO L138 BoogieDeclarations]: Found implementation of procedure can_put_echo_skb [2020-10-28 23:31:23,290 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_echo_skb [2020-10-28 23:31:23,290 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2020-10-28 23:31:23,290 INFO L138 BoogieDeclarations]: Found implementation of procedure can_restart [2020-10-28 23:31:23,290 INFO L138 BoogieDeclarations]: Found implementation of procedure can_restart_now [2020-10-28 23:31:23,290 INFO L138 BoogieDeclarations]: Found implementation of procedure can_bus_off [2020-10-28 23:31:23,291 INFO L138 BoogieDeclarations]: Found implementation of procedure can_setup [2020-10-28 23:31:23,291 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_skb [2020-10-28 23:31:23,291 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_canfd_skb [2020-10-28 23:31:23,291 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_err_skb [2020-10-28 23:31:23,291 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_candev [2020-10-28 23:31:23,291 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2020-10-28 23:31:23,291 INFO L138 BoogieDeclarations]: Found implementation of procedure can_change_mtu [2020-10-28 23:31:23,292 INFO L138 BoogieDeclarations]: Found implementation of procedure open_candev [2020-10-28 23:31:23,292 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2020-10-28 23:31:23,292 INFO L138 BoogieDeclarations]: Found implementation of procedure can_changelink [2020-10-28 23:31:23,292 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_size [2020-10-28 23:31:23,292 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fill_info [2020-10-28 23:31:23,292 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_xstats_size [2020-10-28 23:31:23,293 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fill_xstats [2020-10-28 23:31:23,293 INFO L138 BoogieDeclarations]: Found implementation of procedure can_newlink [2020-10-28 23:31:23,293 INFO L138 BoogieDeclarations]: Found implementation of procedure register_candev [2020-10-28 23:31:23,293 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_candev [2020-10-28 23:31:23,293 INFO L138 BoogieDeclarations]: Found implementation of procedure safe_candev_priv [2020-10-28 23:31:23,293 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dev_init [2020-10-28 23:31:23,293 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dev_exit [2020-10-28 23:31:23,294 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2020-10-28 23:31:23,294 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2020-10-28 23:31:23,294 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2020-10-28 23:31:23,294 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2020-10-28 23:31:23,294 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2020-10-28 23:31:23,294 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2020-10-28 23:31:23,295 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2020-10-28 23:31:23,295 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2020-10-28 23:31:23,295 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2020-10-28 23:31:23,295 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2020-10-28 23:31:23,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2020-10-28 23:31:23,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_rtnl_link_ops_4 [2020-10-28 23:31:23,295 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 23:31:23,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-28 23:31:23,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-28 23:31:23,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-28 23:31:23,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-28 23:31:23,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-28 23:31:23,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_12 [2020-10-28 23:31:23,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_14 [2020-10-28 23:31:23,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_15 [2020-10-28 23:31:23,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_16 [2020-10-28 23:31:23,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_17 [2020-10-28 23:31:23,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_18 [2020-10-28 23:31:23,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_19 [2020-10-28 23:31:23,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_20 [2020-10-28 23:31:23,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_21 [2020-10-28 23:31:23,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_22 [2020-10-28 23:31:23,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_23 [2020-10-28 23:31:23,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_24 [2020-10-28 23:31:23,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_25 [2020-10-28 23:31:23,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_27 [2020-10-28 23:31:23,298 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notifier_info_to_dev [2020-10-28 23:31:23,299 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2020-10-28 23:31:23,299 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_release [2020-10-28 23:31:23,299 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_can_led_init [2020-10-28 23:31:23,299 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_notifier [2020-10-28 23:31:23,299 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_notifier_init [2020-10-28 23:31:23,299 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_notifier_exit [2020-10-28 23:31:23,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_3 [2020-10-28 23:31:23,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_35 [2020-10-28 23:31:23,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_36 [2020-10-28 23:31:23,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_37 [2020-10-28 23:31:23,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_38 [2020-10-28 23:31:23,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_41 [2020-10-28 23:31:23,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_42 [2020-10-28 23:31:23,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-28 23:31:23,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-28 23:31:23,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-28 23:31:23,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-28 23:31:23,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-28 23:31:23,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-28 23:31:23,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-28 23:31:23,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-28 23:31:23,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-28 23:31:23,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-28 23:31:23,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 23:31:23,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-28 23:31:23,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-28 23:31:23,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-28 23:31:23,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-28 23:31:23,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-28 23:31:23,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 23:31:23,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __devres_alloc [2020-10-28 23:31:23,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2020-10-28 23:31:23,303 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2020-10-28 23:31:23,303 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2020-10-28 23:31:23,303 INFO L138 BoogieDeclarations]: Found implementation of procedure devres_add [2020-10-28 23:31:23,303 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2020-10-28 23:31:23,304 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-10-28 23:31:23,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_4 [2020-10-28 23:31:23,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2020-10-28 23:31:23,304 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_blink_oneshot [2020-10-28 23:31:23,304 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_event [2020-10-28 23:31:23,304 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_register_simple [2020-10-28 23:31:23,305 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_rename_static [2020-10-28 23:31:23,305 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_unregister_simple [2020-10-28 23:31:23,305 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2020-10-28 23:31:23,305 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-10-28 23:31:23,305 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2020-10-28 23:31:23,305 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2020-10-28 23:31:23,305 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2020-10-28 23:31:23,305 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2020-10-28 23:31:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 23:31:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-10-28 23:31:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice_notifier [2020-10-28 23:31:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2020-10-28 23:31:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_register [2020-10-28 23:31:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2020-10-28 23:31:23,306 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_free [2020-10-28 23:31:23,307 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-10-28 23:31:23,307 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-28 23:31:23,307 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-10-28 23:31:23,307 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2020-10-28 23:31:23,307 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 23:31:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 23:31:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 23:31:23,308 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 23:31:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 23:31:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 23:31:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 23:31:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 23:31:23,308 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 23:31:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 23:31:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 23:31:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-28 23:31:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 23:31:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 23:31:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2020-10-28 23:31:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2020-10-28 23:31:23,309 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 23:31:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 23:31:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-28 23:31:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2020-10-28 23:31:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2020-10-28 23:31:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2020-10-28 23:31:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_23 [2020-10-28 23:31:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_24 [2020-10-28 23:31:23,310 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2020-10-28 23:31:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_27 [2020-10-28 23:31:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-28 23:31:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-28 23:31:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-28 23:31:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-28 23:31:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_12 [2020-10-28 23:31:23,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_14 [2020-10-28 23:31:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_16 [2020-10-28 23:31:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_17 [2020-10-28 23:31:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_18 [2020-10-28 23:31:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_19 [2020-10-28 23:31:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_21 [2020-10-28 23:31:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-28 23:31:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_15 [2020-10-28 23:31:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-10-28 23:31:23,312 INFO L130 BoogieDeclarations]: Found specification of procedure skb_shared [2020-10-28 23:31:23,313 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-28 23:31:23,313 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-10-28 23:31:23,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 23:31:23,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 23:31:23,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 23:31:23,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_25 [2020-10-28 23:31:23,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-28 23:31:23,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-28 23:31:23,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-28 23:31:23,314 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 23:31:23,314 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 23:31:23,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 23:31:23,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 23:31:23,314 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 23:31:23,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 23:31:23,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 23:31:23,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 23:31:23,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 23:31:23,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 23:31:23,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 23:31:23,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 23:31:23,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 23:31:23,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 23:31:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2020-10-28 23:31:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2020-10-28 23:31:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2020-10-28 23:31:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2020-10-28 23:31:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2020-10-28 23:31:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2020-10-28 23:31:23,316 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2020-10-28 23:31:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2020-10-28 23:31:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2020-10-28 23:31:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2020-10-28 23:31:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2020-10-28 23:31:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_rtnl_link_ops_4 [2020-10-28 23:31:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-28 23:31:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-10-28 23:31:23,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_20 [2020-10-28 23:31:23,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_22 [2020-10-28 23:31:23,318 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2020-10-28 23:31:23,318 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2020-10-28 23:31:23,318 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2020-10-28 23:31:23,318 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2020-10-28 23:31:23,318 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-10-28 23:31:23,318 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-10-28 23:31:23,318 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-10-28 23:31:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2020-10-28 23:31:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_notifier_init [2020-10-28 23:31:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_notifier_exit [2020-10-28 23:31:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure can_dlc2len [2020-10-28 23:31:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure can_len2dlc [2020-10-28 23:31:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_candev [2020-10-28 23:31:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2020-10-28 23:31:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure safe_candev_priv [2020-10-28 23:31:23,319 INFO L130 BoogieDeclarations]: Found specification of procedure open_candev [2020-10-28 23:31:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2020-10-28 23:31:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure can_change_mtu [2020-10-28 23:31:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure register_candev [2020-10-28 23:31:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_candev [2020-10-28 23:31:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure can_restart_now [2020-10-28 23:31:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure can_bus_off [2020-10-28 23:31:23,320 INFO L130 BoogieDeclarations]: Found specification of procedure can_put_echo_skb [2020-10-28 23:31:23,321 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_echo_skb [2020-10-28 23:31:23,321 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2020-10-28 23:31:23,321 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_skb [2020-10-28 23:31:23,321 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_canfd_skb [2020-10-28 23:31:23,321 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_err_skb [2020-10-28 23:31:23,321 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2020-10-28 23:31:23,321 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2020-10-28 23:31:23,321 INFO L130 BoogieDeclarations]: Found specification of procedure nla_attr_size [2020-10-28 23:31:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure nla_total_size [2020-10-28 23:31:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2020-10-28 23:31:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2020-10-28 23:31:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 23:31:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2020-10-28 23:31:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_register [2020-10-28 23:31:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2020-10-28 23:31:23,322 INFO L130 BoogieDeclarations]: Found specification of procedure sock_hold [2020-10-28 23:31:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure sk_free [2020-10-28 23:31:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2020-10-28 23:31:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_prv [2020-10-28 23:31:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_reserve [2020-10-28 23:31:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_destructor [2020-10-28 23:31:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_set_owner [2020-10-28 23:31:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure can_create_echo_skb [2020-10-28 23:31:23,323 INFO L130 BoogieDeclarations]: Found specification of procedure can_update_spt [2020-10-28 23:31:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure can_calc_bittiming [2020-10-28 23:31:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure can_fixup_bittiming [2020-10-28 23:31:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_bittiming [2020-10-28 23:31:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure can_flush_echo_skb [2020-10-28 23:31:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure can_restart [2020-10-28 23:31:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2020-10-28 23:31:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure can_setup [2020-10-28 23:31:23,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 23:31:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure can_changelink [2020-10-28 23:31:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 23:31:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-28 23:31:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_size [2020-10-28 23:31:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure can_fill_info [2020-10-28 23:31:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-28 23:31:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_xstats_size [2020-10-28 23:31:23,325 INFO L130 BoogieDeclarations]: Found specification of procedure can_fill_xstats [2020-10-28 23:31:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure can_newlink [2020-10-28 23:31:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure can_dev_init [2020-10-28 23:31:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure can_dev_exit [2020-10-28 23:31:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2020-10-28 23:31:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 23:31:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 23:31:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_4 [2020-10-28 23:31:23,326 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2020-10-28 23:31:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_3 [2020-10-28 23:31:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 23:31:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-28 23:31:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure __devres_alloc [2020-10-28 23:31:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure devres_add [2020-10-28 23:31:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_36 [2020-10-28 23:31:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_37 [2020-10-28 23:31:23,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_38 [2020-10-28 23:31:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_41 [2020-10-28 23:31:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_42 [2020-10-28 23:31:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_35 [2020-10-28 23:31:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice_notifier [2020-10-28 23:31:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2020-10-28 23:31:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notifier_info_to_dev [2020-10-28 23:31:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_register_simple [2020-10-28 23:31:23,328 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_unregister_simple [2020-10-28 23:31:23,329 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_event [2020-10-28 23:31:23,329 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_blink_oneshot [2020-10-28 23:31:23,329 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_rename_static [2020-10-28 23:31:23,329 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2020-10-28 23:31:23,329 INFO L130 BoogieDeclarations]: Found specification of procedure devm_can_led_init [2020-10-28 23:31:23,329 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_release [2020-10-28 23:31:23,329 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_notifier [2020-10-28 23:31:23,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-28 23:31:23,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-28 23:31:23,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-28 23:31:23,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-28 23:31:23,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-28 23:31:23,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-28 23:31:23,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-28 23:31:23,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-28 23:31:23,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-28 23:31:23,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-28 23:31:23,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-28 23:31:23,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-28 23:31:23,331 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 23:31:23,331 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 23:31:23,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 23:31:23,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 23:31:23,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 23:31:23,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 23:31:23,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 23:31:23,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 23:31:23,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 23:31:23,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 23:31:25,155 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 23:31:34,435 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 23:31:34,436 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-28 23:31:34,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:31:34 BoogieIcfgContainer [2020-10-28 23:31:34,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 23:31:34,443 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 23:31:34,443 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 23:31:34,447 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 23:31:34,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:31:20" (1/3) ... [2020-10-28 23:31:34,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@698b2aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:31:34, skipping insertion in model container [2020-10-28 23:31:34,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:31:22" (2/3) ... [2020-10-28 23:31:34,448 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@698b2aa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:31:34, skipping insertion in model container [2020-10-28 23:31:34,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:31:34" (3/3) ... [2020-10-28 23:31:34,450 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--can-dev.ko-entry_point.cil.out.i [2020-10-28 23:31:34,462 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 23:31:34,470 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 23:31:34,483 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 23:31:34,517 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 23:31:34,517 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 23:31:34,517 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 23:31:34,517 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 23:31:34,518 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 23:31:34,518 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 23:31:34,518 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 23:31:34,518 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 23:31:34,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states. [2020-10-28 23:31:34,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-28 23:31:34,581 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:31:34,582 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:31:34,582 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:31:34,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:31:34,589 INFO L82 PathProgramCache]: Analyzing trace with hash 2035637874, now seen corresponding path program 1 times [2020-10-28 23:31:34,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:31:34,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1451721323] [2020-10-28 23:31:34,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:31:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:31:35,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:31:36,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:31:40,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:31:40,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-28 23:31:40,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 23:31:40,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-28 23:31:40,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:31:40,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:31:40,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:31:40,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-28 23:31:40,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 23:31:40,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 23:31:45,404 WARN L193 SmtUtils]: Spent 4.97 s on a formula simplification that was a NOOP. DAG size: 634 [2020-10-28 23:31:45,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:31:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:31:45,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:31:45,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:31:45,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:31:45,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:31:45,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 280 [2020-10-28 23:31:45,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:31:45,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:31:45,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:31:45,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:31:45,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:31:45,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:31:45,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:31:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:31:45,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:31:45,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:31:45,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:31:45,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:31:45,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:31:45,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:31:45,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:31:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:31:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:31:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:31:45,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:31:45,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:31:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:31:45,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:31:45,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:31:45,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:31:45,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:31:45,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 23:31:45,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:31:45,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:31:45,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:31:45,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:31:45,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:31:45,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:31:45,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:31:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:31:45,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:31:45,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:31:45,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:31:45,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:31:45,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:31:45,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:31:45,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:31:45,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:31:45,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:31:45,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:31:45,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:31:46,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 23:31:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:31:46,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:31:46,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:31:46,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:31:46,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:31:46,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 23:31:46,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:31:46,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:31:46,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:31:46,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:31:46,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:31:46,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:31:46,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 23:31:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:31:46,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:31:46,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:31:46,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 23:31:46,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:31:46,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 23:31:46,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:31:46,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:31:46,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:31:46,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 23:31:46,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:31:46,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:31:46,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:31:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:31:46,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:31:46,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:31:46,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:31:46,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:31:46,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 23:31:46,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:31:46,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:31:46,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:31:46,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:31:46,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:31:46,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:31:46,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 23:31:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:31:46,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:31:46,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:31:46,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 23:31:46,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:31:46,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 23:31:46,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:31:46,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:31:46,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:31:46,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:31:46,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:31:46,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:31:46,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:31:46,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:31:46,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:31:46,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:31:46,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:31:46,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:31:46,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 23:31:46,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:31:46,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:31:46,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:31:46,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:31:46,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:31:46,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:31:46,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 23:31:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:31:46,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:31:46,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:31:46,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:31:46,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:31:46,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 23:31:46,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:31:46,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:31:46,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:31:46,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:31:46,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:31:46,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:31:46,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 23:31:46,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1451721323] [2020-10-28 23:31:46,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:31:46,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 23:31:46,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637733846] [2020-10-28 23:31:46,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 23:31:46,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:31:46,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 23:31:46,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-28 23:31:46,295 INFO L87 Difference]: Start difference. First operand 1138 states. Second operand 7 states. [2020-10-28 23:31:51,453 WARN L193 SmtUtils]: Spent 5.11 s on a formula simplification that was a NOOP. DAG size: 637 [2020-10-28 23:32:02,442 WARN L193 SmtUtils]: Spent 5.31 s on a formula simplification that was a NOOP. DAG size: 639 [2020-10-28 23:32:07,823 WARN L193 SmtUtils]: Spent 5.19 s on a formula simplification that was a NOOP. DAG size: 636 [2020-10-28 23:33:28,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:33:28,781 INFO L93 Difference]: Finished difference Result 3234 states and 4633 transitions. [2020-10-28 23:33:28,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-28 23:33:28,793 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2020-10-28 23:33:28,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:33:28,841 INFO L225 Difference]: With dead ends: 3234 [2020-10-28 23:33:28,841 INFO L226 Difference]: Without dead ends: 2340 [2020-10-28 23:33:28,858 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 21.2s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2020-10-28 23:33:28,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2340 states. [2020-10-28 23:33:29,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2340 to 1609. [2020-10-28 23:33:29,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1609 states. [2020-10-28 23:33:29,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 1609 states and 2163 transitions. [2020-10-28 23:33:29,587 INFO L78 Accepts]: Start accepts. Automaton has 1609 states and 2163 transitions. Word has length 60 [2020-10-28 23:33:29,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:33:29,588 INFO L481 AbstractCegarLoop]: Abstraction has 1609 states and 2163 transitions. [2020-10-28 23:33:29,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 23:33:29,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 2163 transitions. [2020-10-28 23:33:29,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-28 23:33:29,598 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:33:29,598 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 23:33:29,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 23:33:29,599 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:33:29,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:33:29,600 INFO L82 PathProgramCache]: Analyzing trace with hash 702585947, now seen corresponding path program 1 times [2020-10-28 23:33:29,600 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:33:29,600 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1079801768] [2020-10-28 23:33:29,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:33:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:33:29,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:33:30,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:33:33,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:33:34,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:33:34,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 23:33:34,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:33:34,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5121 [2020-10-28 23:33:34,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:33:34,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:33:34,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 23:33:34,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 23:33:34,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 23:33:34,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:33:40,358 WARN L193 SmtUtils]: Spent 5.18 s on a formula simplification that was a NOOP. DAG size: 634 [2020-10-28 23:33:40,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:33:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:33:40,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:33:40,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:33:40,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:33:40,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:33:40,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-10-28 23:33:40,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:33:40,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:33:40,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:33:40,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:33:40,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:33:40,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:33:40,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:33:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:33:40,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:33:40,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:33:40,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:33:40,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:33:40,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 23:33:40,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:33:40,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:33:40,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:33:40,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:33:40,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:33:40,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:33:40,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:33:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:33:40,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:33:40,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:33:40,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 23:33:40,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:33:40,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 23:33:40,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:33:40,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:33:40,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:33:40,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:33:40,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:33:40,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:33:40,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:33:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:33:40,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:33:40,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:33:40,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:33:40,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:33:40,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 23:33:40,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:33:40,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:33:40,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:33:40,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:33:40,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 23:33:40,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:33:40,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 23:33:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:33:40,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:33:40,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:33:40,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:33:40,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:33:40,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 23:33:40,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:33:40,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:33:40,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:33:40,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:33:40,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:33:40,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:33:40,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 23:33:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:33:40,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:33:40,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:33:40,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-28 23:33:40,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:33:40,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 23:33:40,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:33:40,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:33:40,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:33:40,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:33:40,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 23:33:40,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:33:40,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:33:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:33:40,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:33:40,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:33:40,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 23:33:40,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:33:40,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:33:40,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:33:40,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:33:40,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:33:40,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:33:40,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:33:40,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:33:40,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 23:33:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:33:40,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:33:40,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:33:40,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:33:40,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:33:40,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 23:33:40,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:33:40,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:33:40,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:33:40,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:33:40,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:33:40,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:33:40,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 23:33:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:33:40,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:33:41,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:33:41,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:33:41,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:33:41,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:33:41,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:33:41,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:33:41,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:33:41,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:33:41,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:33:41,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:33:41,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-28 23:33:41,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:33:41,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:33:41,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:33:41,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:33:41,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:33:41,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 23:33:41,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:33:41,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:33:41,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 23:33:41,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:33:41,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:33:41,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:33:41,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 23:33:41,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1079801768] [2020-10-28 23:33:41,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:33:41,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 23:33:41,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887918531] [2020-10-28 23:33:41,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 23:33:41,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:33:41,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 23:33:41,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 23:33:41,140 INFO L87 Difference]: Start difference. First operand 1609 states and 2163 transitions. Second operand 10 states. [2020-10-28 23:33:46,421 WARN L193 SmtUtils]: Spent 5.24 s on a formula simplification that was a NOOP. DAG size: 637 [2020-10-28 23:33:52,699 WARN L193 SmtUtils]: Spent 5.19 s on a formula simplification that was a NOOP. DAG size: 639 [2020-10-28 23:33:58,091 WARN L193 SmtUtils]: Spent 5.14 s on a formula simplification that was a NOOP. DAG size: 636 [2020-10-28 23:34:14,079 WARN L193 SmtUtils]: Spent 10.44 s on a formula simplification. DAG size of input: 644 DAG size of output: 642 [2020-10-28 23:34:19,522 WARN L193 SmtUtils]: Spent 5.17 s on a formula simplification that was a NOOP. DAG size: 642 [2020-10-28 23:34:24,817 WARN L193 SmtUtils]: Spent 5.23 s on a formula simplification that was a NOOP. DAG size: 642 [2020-10-28 23:34:59,577 WARN L193 SmtUtils]: Spent 4.85 s on a formula simplification that was a NOOP. DAG size: 644