/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_fr.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 08:35:44,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 08:35:44,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 08:35:45,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 08:35:45,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 08:35:45,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 08:35:45,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 08:35:45,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 08:35:45,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 08:35:45,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 08:35:45,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 08:35:45,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 08:35:45,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 08:35:45,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 08:35:45,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 08:35:45,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 08:35:45,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 08:35:45,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 08:35:45,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 08:35:45,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 08:35:45,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 08:35:45,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 08:35:45,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 08:35:45,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 08:35:45,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 08:35:45,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 08:35:45,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 08:35:45,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 08:35:45,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 08:35:45,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 08:35:45,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 08:35:45,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 08:35:45,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 08:35:45,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 08:35:45,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 08:35:45,076 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 08:35:45,077 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 08:35:45,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 08:35:45,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 08:35:45,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 08:35:45,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 08:35:45,082 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 [2020-10-15 08:35:45,122 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 08:35:45,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 08:35:45,124 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 08:35:45,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 08:35:45,124 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 08:35:45,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 08:35:45,124 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 08:35:45,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 08:35:45,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 08:35:45,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 08:35:45,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 08:35:45,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 08:35:45,126 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 08:35:45,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 08:35:45,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 08:35:45,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 08:35:45,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 08:35:45,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 08:35:45,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 08:35:45,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 08:35:45,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 08:35:45,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 08:35:45,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 08:35:45,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 08:35:45,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 08:35:45,130 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 08:35:45,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 08:35:45,130 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 08:35:45,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 08:35:45,509 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 08:35:45,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 08:35:45,516 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 08:35:45,517 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 08:35:45,518 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_fr.ko-entry_point.cil.out.i [2020-10-15 08:35:45,590 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/44a03f0ec/a776927b8e34441886da0454e081f146/FLAGaa54ad9bf [2020-10-15 08:35:46,358 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 08:35:46,359 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_fr.ko-entry_point.cil.out.i [2020-10-15 08:35:46,410 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/44a03f0ec/a776927b8e34441886da0454e081f146/FLAGaa54ad9bf [2020-10-15 08:35:46,910 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/44a03f0ec/a776927b8e34441886da0454e081f146 [2020-10-15 08:35:46,919 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 08:35:46,921 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 08:35:46,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 08:35:46,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 08:35:46,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 08:35:46,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:35:46" (1/1) ... [2020-10-15 08:35:46,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22e57099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:35:46, skipping insertion in model container [2020-10-15 08:35:46,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:35:46" (1/1) ... [2020-10-15 08:35:46,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 08:35:47,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 08:35:48,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 08:35:48,813 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 08:35:49,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 08:35:49,443 INFO L208 MainTranslator]: Completed translation [2020-10-15 08:35:49,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:35:49 WrapperNode [2020-10-15 08:35:49,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 08:35:49,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 08:35:49,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 08:35:49,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 08:35:49,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:35:49" (1/1) ... [2020-10-15 08:35:49,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:35:49" (1/1) ... [2020-10-15 08:35:49,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:35:49" (1/1) ... [2020-10-15 08:35:49,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:35:49" (1/1) ... [2020-10-15 08:35:49,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:35:49" (1/1) ... [2020-10-15 08:35:49,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:35:49" (1/1) ... [2020-10-15 08:35:49,832 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:35:49" (1/1) ... [2020-10-15 08:35:49,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 08:35:49,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 08:35:49,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 08:35:49,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 08:35:49,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:35:49" (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 [2020-10-15 08:35:49,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 08:35:49,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 08:35:49,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-10-15 08:35:49,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2020-10-15 08:35:49,949 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-15 08:35:49,950 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-15 08:35:49,950 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-15 08:35:49,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-15 08:35:49,950 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-15 08:35:49,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-15 08:35:49,951 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-15 08:35:49,951 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-15 08:35:49,951 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-15 08:35:49,951 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-15 08:35:49,951 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_shared [2020-10-15 08:35:49,952 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_share_check [2020-10-15 08:35:49,952 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2020-10-15 08:35:49,952 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2020-10-15 08:35:49,952 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-10-15 08:35:49,953 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2020-10-15 08:35:49,953 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-10-15 08:35:49,953 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2020-10-15 08:35:49,953 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 08:35:49,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-15 08:35:49,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-15 08:35:49,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-15 08:35:49,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-15 08:35:49,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-15 08:35:49,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-15 08:35:49,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-15 08:35:49,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-15 08:35:49,954 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-15 08:35:49,955 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice [2020-10-15 08:35:49,955 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-15 08:35:49,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2020-10-15 08:35:49,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_on [2020-10-15 08:35:49,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_off [2020-10-15 08:35:49,955 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_random_addr [2020-10-15 08:35:49,955 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hw_addr_random [2020-10-15 08:35:49,956 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2020-10-15 08:35:49,956 INFO L138 BoogieDeclarations]: Found implementation of procedure q922_to_dlci [2020-10-15 08:35:49,956 INFO L138 BoogieDeclarations]: Found implementation of procedure dlci_to_q922 [2020-10-15 08:35:49,956 INFO L138 BoogieDeclarations]: Found implementation of procedure state [2020-10-15 08:35:49,956 INFO L138 BoogieDeclarations]: Found implementation of procedure find_pvc [2020-10-15 08:35:49,956 INFO L138 BoogieDeclarations]: Found implementation of procedure add_pvc [2020-10-15 08:35:49,956 INFO L138 BoogieDeclarations]: Found implementation of procedure pvc_is_used [2020-10-15 08:35:49,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pvc_carrier [2020-10-15 08:35:49,957 INFO L138 BoogieDeclarations]: Found implementation of procedure delete_unused_pvcs [2020-10-15 08:35:49,957 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_p [2020-10-15 08:35:49,957 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_hard_header [2020-10-15 08:35:49,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pvc_open [2020-10-15 08:35:49,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pvc_close [2020-10-15 08:35:49,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pvc_ioctl [2020-10-15 08:35:49,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pvc_xmit [2020-10-15 08:35:49,958 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_log_dlci_active [2020-10-15 08:35:49,958 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_lmi_nextseq [2020-10-15 08:35:49,958 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_lmi_send [2020-10-15 08:35:49,958 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_set_link_state [2020-10-15 08:35:49,958 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_timer [2020-10-15 08:35:49,959 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_lmi_recv [2020-10-15 08:35:49,959 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_rx [2020-10-15 08:35:49,959 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_start [2020-10-15 08:35:49,959 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_stop [2020-10-15 08:35:49,959 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_close [2020-10-15 08:35:49,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pvc_setup [2020-10-15 08:35:49,960 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_add_pvc [2020-10-15 08:35:49,960 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_del_pvc [2020-10-15 08:35:49,960 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_destroy [2020-10-15 08:35:49,960 INFO L138 BoogieDeclarations]: Found implementation of procedure fr_ioctl [2020-10-15 08:35:49,960 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_init [2020-10-15 08:35:49,960 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_exit [2020-10-15 08:35:49,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_3 [2020-10-15 08:35:49,961 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2020-10-15 08:35:49,961 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2020-10-15 08:35:49,961 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2020-10-15 08:35:49,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hdlc_proto_2 [2020-10-15 08:35:49,961 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2020-10-15 08:35:49,961 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 08:35:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-15 08:35:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-15 08:35:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-15 08:35:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-15 08:35:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-15 08:35:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2020-10-15 08:35:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-10-15 08:35:49,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_14 [2020-10-15 08:35:49,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-15 08:35:49,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-15 08:35:49,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-15 08:35:49,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-15 08:35:49,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-15 08:35:49,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-15 08:35:49,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-15 08:35:49,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-15 08:35:49,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-15 08:35:49,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-15 08:35:49,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-15 08:35:49,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-15 08:35:49,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-15 08:35:49,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-15 08:35:49,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-15 08:35:49,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-15 08:35:49,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-15 08:35:49,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2020-10-15 08:35:49,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2020-10-15 08:35:49,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-10-15 08:35:49,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2020-10-15 08:35:49,966 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-15 08:35:49,966 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-15 08:35:49,966 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2020-10-15 08:35:49,966 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2020-10-15 08:35:49,966 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_hdlc_protocol [2020-10-15 08:35:49,966 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-10-15 08:35:49,967 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2020-10-15 08:35:49,967 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2020-10-15 08:35:49,967 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_queue_xmit [2020-10-15 08:35:49,967 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2020-10-15 08:35:49,967 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-10-15 08:35:49,967 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2020-10-15 08:35:49,967 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2020-10-15 08:35:49,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_2 [2020-10-15 08:35:49,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_3 [2020-10-15 08:35:49,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_3 [2020-10-15 08:35:49,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_open_2 [2020-10-15 08:35:49,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_2 [2020-10-15 08:35:49,968 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2020-10-15 08:35:49,968 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-15 08:35:49,969 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2020-10-15 08:35:49,969 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2020-10-15 08:35:49,969 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2020-10-15 08:35:49,969 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2020-10-15 08:35:49,969 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-10-15 08:35:49,969 INFO L138 BoogieDeclarations]: Found implementation of procedure register_hdlc_protocol [2020-10-15 08:35:49,969 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice [2020-10-15 08:35:49,969 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-10-15 08:35:49,970 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-15 08:35:49,970 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-15 08:35:49,970 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-15 08:35:49,970 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_realloc_headroom [2020-10-15 08:35:49,970 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hdlc_protocol [2020-10-15 08:35:49,970 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_queue [2020-10-15 08:35:49,971 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-15 08:35:49,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-15 08:35:49,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-15 08:35:49,971 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-15 08:35:49,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 08:35:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-15 08:35:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-15 08:35:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-15 08:35:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-15 08:35:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 08:35:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-15 08:35:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2020-10-15 08:35:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-15 08:35:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-15 08:35:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-15 08:35:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-15 08:35:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2020-10-15 08:35:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2020-10-15 08:35:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_14 [2020-10-15 08:35:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2020-10-15 08:35:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-15 08:35:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-15 08:35:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-15 08:35:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-15 08:35:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-15 08:35:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-15 08:35:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-15 08:35:49,975 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-15 08:35:49,975 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2020-10-15 08:35:49,975 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2020-10-15 08:35:49,975 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-15 08:35:49,975 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-15 08:35:49,975 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-10-15 08:35:49,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-15 08:35:49,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-15 08:35:49,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-15 08:35:49,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-15 08:35:49,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-15 08:35:49,976 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-10-15 08:35:49,976 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-10-15 08:35:49,976 INFO L130 BoogieDeclarations]: Found specification of procedure skb_realloc_headroom [2020-10-15 08:35:49,976 INFO L130 BoogieDeclarations]: Found specification of procedure skb_shared [2020-10-15 08:35:49,977 INFO L130 BoogieDeclarations]: Found specification of procedure skb_share_check [2020-10-15 08:35:49,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 08:35:49,977 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2020-10-15 08:35:49,977 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2020-10-15 08:35:49,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 08:35:49,977 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-15 08:35:49,977 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-15 08:35:49,978 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-15 08:35:49,978 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-10-15 08:35:49,978 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2020-10-15 08:35:49,978 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-10-15 08:35:49,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 08:35:49,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 08:35:49,978 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2020-10-15 08:35:49,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2020-10-15 08:35:49,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-15 08:35:49,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-15 08:35:49,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-15 08:35:49,979 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 08:35:49,979 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-15 08:35:49,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 08:35:49,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-15 08:35:49,980 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 08:35:49,980 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 08:35:49,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 08:35:49,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-15 08:35:49,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-15 08:35:49,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-15 08:35:49,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-15 08:35:49,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-15 08:35:49,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-15 08:35:49,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_3 [2020-10-15 08:35:49,981 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2020-10-15 08:35:49,981 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2020-10-15 08:35:49,981 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2020-10-15 08:35:49,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hdlc_proto_2 [2020-10-15 08:35:49,982 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2020-10-15 08:35:49,982 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-15 08:35:49,982 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2020-10-15 08:35:49,982 INFO L130 BoogieDeclarations]: Found specification of procedure dev_queue_xmit [2020-10-15 08:35:49,982 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice [2020-10-15 08:35:49,982 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_queue [2020-10-15 08:35:49,982 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice [2020-10-15 08:35:49,982 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-10-15 08:35:49,983 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-10-15 08:35:49,983 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-15 08:35:49,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-10-15 08:35:49,983 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2020-10-15 08:35:49,983 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2020-10-15 08:35:49,983 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2020-10-15 08:35:50,035 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2020-10-15 08:35:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_on [2020-10-15 08:35:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_off [2020-10-15 08:35:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2020-10-15 08:35:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2020-10-15 08:35:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2020-10-15 08:35:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2020-10-15 08:35:50,036 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2020-10-15 08:35:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure eth_random_addr [2020-10-15 08:35:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hw_addr_random [2020-10-15 08:35:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure register_hdlc_protocol [2020-10-15 08:35:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hdlc_protocol [2020-10-15 08:35:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2020-10-15 08:35:50,037 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2020-10-15 08:35:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure attach_hdlc_protocol [2020-10-15 08:35:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure fr_ioctl [2020-10-15 08:35:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure q922_to_dlci [2020-10-15 08:35:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure dlci_to_q922 [2020-10-15 08:35:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure state [2020-10-15 08:35:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure find_pvc [2020-10-15 08:35:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure add_pvc [2020-10-15 08:35:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure pvc_is_used [2020-10-15 08:35:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure pvc_carrier [2020-10-15 08:35:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure delete_unused_pvcs [2020-10-15 08:35:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_p [2020-10-15 08:35:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure fr_hard_header [2020-10-15 08:35:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure pvc_open [2020-10-15 08:35:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure pvc_close [2020-10-15 08:35:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure pvc_ioctl [2020-10-15 08:35:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-15 08:35:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 08:35:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure pvc_xmit [2020-10-15 08:35:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-15 08:35:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure fr_log_dlci_active [2020-10-15 08:35:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure fr_lmi_nextseq [2020-10-15 08:35:50,040 INFO L130 BoogieDeclarations]: Found specification of procedure fr_lmi_send [2020-10-15 08:35:50,041 INFO L130 BoogieDeclarations]: Found specification of procedure fr_set_link_state [2020-10-15 08:35:50,041 INFO L130 BoogieDeclarations]: Found specification of procedure fr_timer [2020-10-15 08:35:50,041 INFO L130 BoogieDeclarations]: Found specification of procedure fr_lmi_recv [2020-10-15 08:35:50,041 INFO L130 BoogieDeclarations]: Found specification of procedure fr_rx [2020-10-15 08:35:50,041 INFO L130 BoogieDeclarations]: Found specification of procedure fr_start [2020-10-15 08:35:50,041 INFO L130 BoogieDeclarations]: Found specification of procedure fr_stop [2020-10-15 08:35:50,041 INFO L130 BoogieDeclarations]: Found specification of procedure fr_close [2020-10-15 08:35:50,042 INFO L130 BoogieDeclarations]: Found specification of procedure pvc_setup [2020-10-15 08:35:50,042 INFO L130 BoogieDeclarations]: Found specification of procedure fr_add_pvc [2020-10-15 08:35:50,042 INFO L130 BoogieDeclarations]: Found specification of procedure fr_del_pvc [2020-10-15 08:35:50,042 INFO L130 BoogieDeclarations]: Found specification of procedure fr_destroy [2020-10-15 08:35:50,042 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-10-15 08:35:50,042 INFO L130 BoogieDeclarations]: Found specification of procedure mod_init [2020-10-15 08:35:50,042 INFO L130 BoogieDeclarations]: Found specification of procedure mod_exit [2020-10-15 08:35:50,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_3 [2020-10-15 08:35:50,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_open_2 [2020-10-15 08:35:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_2 [2020-10-15 08:35:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-15 08:35:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-15 08:35:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_3 [2020-10-15 08:35:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_2 [2020-10-15 08:35:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2020-10-15 08:35:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 08:35:50,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-15 08:35:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-15 08:35:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-15 08:35:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-15 08:35:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-15 08:35:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-15 08:35:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-15 08:35:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-15 08:35:50,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-15 08:35:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-15 08:35:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-15 08:35:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-15 08:35:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-15 08:35:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-15 08:35:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 08:35:50,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 08:35:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 08:35:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-15 08:35:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 08:35:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-15 08:35:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-15 08:35:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-15 08:35:50,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-15 08:35:51,388 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-15 08:37:41,479 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 08:37:41,480 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-15 08:37:41,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:37:41 BoogieIcfgContainer [2020-10-15 08:37:41,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 08:37:41,496 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 08:37:41,496 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 08:37:41,499 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 08:37:41,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:35:46" (1/3) ... [2020-10-15 08:37:41,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ad714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:37:41, skipping insertion in model container [2020-10-15 08:37:41,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:35:49" (2/3) ... [2020-10-15 08:37:41,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ad714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:37:41, skipping insertion in model container [2020-10-15 08:37:41,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:37:41" (3/3) ... [2020-10-15 08:37:41,503 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_fr.ko-entry_point.cil.out.i [2020-10-15 08:37:41,514 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 08:37:41,524 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 08:37:41,537 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 08:37:41,566 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 08:37:41,567 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 08:37:41,567 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 08:37:41,567 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 08:37:41,567 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 08:37:41,567 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 08:37:41,567 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 08:37:41,567 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 08:37:41,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states. [2020-10-15 08:37:41,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-15 08:37:41,632 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 08:37:41,633 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 08:37:41,634 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 08:37:41,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 08:37:41,640 INFO L82 PathProgramCache]: Analyzing trace with hash 2124356006, now seen corresponding path program 1 times [2020-10-15 08:37:41,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 08:37:41,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [955457314] [2020-10-15 08:37:41,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 08:37:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:42,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:42,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:44,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:44,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-15 08:37:44,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 08:37:44,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2670 [2020-10-15 08:37:44,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:44,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:44,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 08:37:44,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-15 08:37:44,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-15 08:37:44,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 08:37:45,647 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2020-10-15 08:37:45,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:37:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:45,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:45,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:45,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:37:45,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:45,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-15 08:37:45,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:45,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:45,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:45,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:45,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:37:45,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:37:45,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:45,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:45,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:45,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:37:45,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:45,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 08:37:45,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:45,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:45,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:45,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:45,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:45,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:37:45,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 08:37:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:45,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:45,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:45,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:37:45,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:45,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 08:37:45,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:45,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:45,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:45,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:45,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:45,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 08:37:45,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 08:37:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:45,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:45,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:45,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:37:45,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:45,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 08:37:45,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:45,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:45,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:45,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:45,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:45,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:37:45,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 08:37:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:46,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:46,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:46,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:37:46,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:46,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 08:37:46,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:46,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:46,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:46,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:46,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:46,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:37:46,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 08:37:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:46,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:46,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:46,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:37:46,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:46,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 08:37:46,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:46,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:46,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:37:46,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:46,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 08:37:46,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 08:37:46,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:37:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:46,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:46,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:46,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:37:46,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:46,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 08:37:46,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:46,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:46,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:37:46,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:46,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 08:37:46,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:37:46,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-15 08:37:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:46,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:46,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:46,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:37:46,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:46,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 08:37:46,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:46,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:46,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:37:46,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:46,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 08:37:46,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-15 08:37:46,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:37:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:46,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:46,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:46,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:37:46,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:46,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:37:46,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:46,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:46,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:37:46,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:46,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:37:46,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:37:46,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-15 08:37:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:37:46,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:37:46,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:37:46,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:37:46,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:37:46,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-15 08:37:46,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:37:46,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:37:46,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 08:37:46,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:37:46,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 08:37:46,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:37:46,279 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-15 08:37:46,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [955457314] [2020-10-15 08:37:46,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 08:37:46,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 08:37:46,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772873115] [2020-10-15 08:37:46,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 08:37:46,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 08:37:46,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 08:37:46,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-15 08:37:46,308 INFO L87 Difference]: Start difference. First operand 1449 states. Second operand 9 states. [2020-10-15 08:37:46,844 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-15 08:37:48,135 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2020-10-15 08:37:48,786 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 312 [2020-10-15 08:37:55,321 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 323 DAG size of output: 318 [2020-10-15 08:37:56,320 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-10-15 08:37:57,013 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-10-15 08:38:11,976 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2020-10-15 08:39:16,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 08:39:16,264 INFO L93 Difference]: Finished difference Result 4867 states and 7176 transitions. [2020-10-15 08:39:16,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-15 08:39:16,267 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-10-15 08:39:16,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 08:39:16,319 INFO L225 Difference]: With dead ends: 4867 [2020-10-15 08:39:16,319 INFO L226 Difference]: Without dead ends: 3385 [2020-10-15 08:39:16,337 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2020-10-15 08:39:16,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3385 states. [2020-10-15 08:39:16,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3385 to 2749. [2020-10-15 08:39:16,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2749 states. [2020-10-15 08:39:17,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 2749 states and 3806 transitions. [2020-10-15 08:39:17,016 INFO L78 Accepts]: Start accepts. Automaton has 2749 states and 3806 transitions. Word has length 62 [2020-10-15 08:39:17,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 08:39:17,017 INFO L479 AbstractCegarLoop]: Abstraction has 2749 states and 3806 transitions. [2020-10-15 08:39:17,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 08:39:17,017 INFO L276 IsEmpty]: Start isEmpty. Operand 2749 states and 3806 transitions. [2020-10-15 08:39:17,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-15 08:39:17,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 08:39:17,031 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 08:39:17,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 08:39:17,032 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 08:39:17,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 08:39:17,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1347607018, now seen corresponding path program 1 times [2020-10-15 08:39:17,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 08:39:17,033 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [300764141] [2020-10-15 08:39:17,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 08:39:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:39:17,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:39:17,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:39:17,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:39:17,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:39:20,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:39:20,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-15 08:39:20,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 08:39:20,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3538 [2020-10-15 08:39:20,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:39:20,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:39:20,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:39:20,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-15 08:39:20,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-15 08:39:20,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:39:21,288 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2020-10-15 08:39:21,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:39:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:39:21,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:39:21,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:39:21,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:39:21,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:39:21,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-15 08:39:21,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:39:21,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:39:21,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:39:21,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:39:21,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:39:21,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:39:21,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:39:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:39:21,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:39:21,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:39:21,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:39:21,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:39:21,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:39:21,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:39:21,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:39:21,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:39:21,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:39:21,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:39:21,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:39:21,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 08:39:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:39:21,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:39:21,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:39:21,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:39:21,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:39:21,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:39:21,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:39:21,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:39:21,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:39:21,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:39:21,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:39:21,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:39:21,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 08:39:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:39:21,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:39:21,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:39:21,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:39:21,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:39:21,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 08:39:21,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:39:21,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:39:21,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:39:21,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:39:21,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:39:21,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:39:21,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 08:39:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:39:21,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:39:21,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:39:21,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:39:21,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:39:21,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:39:21,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:39:21,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:39:21,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:39:21,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:39:21,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:39:21,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:39:21,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 08:39:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:39:21,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:39:21,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:39:21,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:39:21,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:39:21,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 08:39:21,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:39:21,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:39:21,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:39:21,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:39:21,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:39:21,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:39:21,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:39:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:39:21,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:39:21,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:39:21,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:39:21,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:39:21,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 08:39:21,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:39:21,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:39:21,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:39:21,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:39:21,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:39:21,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:39:21,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-15 08:39:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:39:21,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:39:21,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:39:21,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:39:21,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-15 08:39:21,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 08:39:21,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-15 08:39:21,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:39:21,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:39:21,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:39:21,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:39:21,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 08:39:21,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:39:21,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-15 08:39:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:39:21,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:39:21,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:39:21,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:39:21,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-15 08:39:21,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 08:39:21,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-15 08:39:21,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:39:21,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:39:21,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:39:21,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-15 08:39:21,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 08:39:21,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:39:21,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:39:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:39:21,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:39:21,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:39:21,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 08:39:21,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:39:21,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 08:39:21,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:39:21,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:39:21,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:39:21,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 08:39:21,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 08:39:21,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:39:21,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-15 08:39:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:39:21,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:39:21,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:39:21,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 08:39:21,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:39:21,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:39:21,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:39:21,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:39:21,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:39:21,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 08:39:21,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:39:21,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:39:21,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:39:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:39:22,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:39:22,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:39:22,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:39:22,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:39:22,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 08:39:22,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:39:22,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:39:22,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:39:22,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:39:22,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:39:22,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:39:22,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-15 08:39:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:39:22,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:39:22,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:39:22,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:39:22,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:39:22,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 08:39:22,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:39:22,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:39:22,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:39:22,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 08:39:22,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:39:22,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:39:22,053 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-15 08:39:22,054 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [300764141] [2020-10-15 08:39:22,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 08:39:22,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 08:39:22,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798328154] [2020-10-15 08:39:22,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 08:39:22,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 08:39:22,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 08:39:22,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-15 08:39:22,058 INFO L87 Difference]: Start difference. First operand 2749 states and 3806 transitions. Second operand 9 states. [2020-10-15 08:39:22,606 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-15 08:39:24,071 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2020-10-15 08:39:24,656 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 312 [2020-10-15 08:39:30,331 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2020-10-15 08:39:43,491 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 318