/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--hfcsusb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 14:09:19,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 14:09:19,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 14:09:19,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 14:09:19,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 14:09:19,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 14:09:19,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 14:09:19,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 14:09:19,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 14:09:19,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 14:09:19,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 14:09:19,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 14:09:19,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 14:09:19,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 14:09:19,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 14:09:19,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 14:09:19,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 14:09:19,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 14:09:19,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 14:09:19,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 14:09:19,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 14:09:19,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 14:09:19,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 14:09:19,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 14:09:19,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 14:09:19,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 14:09:19,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 14:09:19,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 14:09:19,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 14:09:19,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 14:09:19,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 14:09:19,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 14:09:19,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 14:09:19,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 14:09:19,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 14:09:19,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 14:09:19,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 14:09:19,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 14:09:19,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 14:09:19,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 14:09:19,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 14:09:19,319 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-14 14:09:19,358 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 14:09:19,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 14:09:19,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 14:09:19,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 14:09:19,361 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 14:09:19,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 14:09:19,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 14:09:19,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 14:09:19,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 14:09:19,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 14:09:19,363 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 14:09:19,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 14:09:19,364 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 14:09:19,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 14:09:19,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 14:09:19,365 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 14:09:19,365 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 14:09:19,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 14:09:19,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 14:09:19,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 14:09:19,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 14:09:19,366 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 14:09:19,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 14:09:19,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 14:09:19,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 14:09:19,367 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 14:09:19,367 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-14 14:09:19,367 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 14:09:19,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 14:09:19,703 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 14:09:19,707 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 14:09:19,709 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 14:09:19,710 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 14:09:19,711 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--hfcsusb.ko-entry_point.cil.out.i [2020-10-14 14:09:19,784 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/802f7036f/388b261a05f84580af9458d2e7275a22/FLAG1382bde42 [2020-10-14 14:09:20,741 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 14:09:20,742 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--hfcsusb.ko-entry_point.cil.out.i [2020-10-14 14:09:20,795 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/802f7036f/388b261a05f84580af9458d2e7275a22/FLAG1382bde42 [2020-10-14 14:09:21,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/802f7036f/388b261a05f84580af9458d2e7275a22 [2020-10-14 14:09:21,152 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 14:09:21,154 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 14:09:21,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 14:09:21,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 14:09:21,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 14:09:21,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:09:21" (1/1) ... [2020-10-14 14:09:21,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6039a4b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:09:21, skipping insertion in model container [2020-10-14 14:09:21,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:09:21" (1/1) ... [2020-10-14 14:09:21,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 14:09:21,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 14:09:22,103 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6058] [2020-10-14 14:09:22,104 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6059-6060] [2020-10-14 14:09:23,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 14:09:23,739 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 14:09:23,921 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6058] [2020-10-14 14:09:23,921 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6059-6060] [2020-10-14 14:09:24,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 14:09:24,539 INFO L208 MainTranslator]: Completed translation [2020-10-14 14:09:24,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:09:24 WrapperNode [2020-10-14 14:09:24,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 14:09:24,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 14:09:24,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 14:09:24,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 14:09:24,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:09:24" (1/1) ... [2020-10-14 14:09:24,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:09:24" (1/1) ... [2020-10-14 14:09:24,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:09:24" (1/1) ... [2020-10-14 14:09:24,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:09:24" (1/1) ... [2020-10-14 14:09:24,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:09:24" (1/1) ... [2020-10-14 14:09:24,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:09:24" (1/1) ... [2020-10-14 14:09:24,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:09:24" (1/1) ... [2020-10-14 14:09:24,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 14:09:24,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 14:09:24,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 14:09:24,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 14:09:24,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:09:24" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 14:09:25,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 14:09:25,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 14:09:25,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-14 14:09:25,074 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-14 14:09:25,075 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-14 14:09:25,076 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-14 14:09:25,076 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-14 14:09:25,076 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-14 14:09:25,076 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-14 14:09:25,076 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-14 14:09:25,077 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-14 14:09:25,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_1 [2020-10-14 14:09:25,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_5 [2020-10-14 14:09:25,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_8 [2020-10-14 14:09:25,080 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2020-10-14 14:09:25,080 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-14 14:09:25,080 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 14:09:25,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 14:09:25,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-14 14:09:25,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-14 14:09:25,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-14 14:09:25,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-14 14:09:25,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-14 14:09:25,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-14 14:09:25,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-14 14:09:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-14 14:09:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-14 14:09:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-14 14:09:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-14 14:09:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-14 14:09:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2020-10-14 14:09:25,082 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-14 14:09:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2020-10-14 14:09:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-14 14:09:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channelmap [2020-10-14 14:09:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_20 [2020-10-14 14:09:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-10-14 14:09:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure mI_alloc_skb [2020-10-14 14:09:25,083 INFO L138 BoogieDeclarations]: Found implementation of procedure _alloc_mISDN_skb [2020-10-14 14:09:25,084 INFO L138 BoogieDeclarations]: Found implementation of procedure _queue_data [2020-10-14 14:09:25,084 INFO L138 BoogieDeclarations]: Found implementation of procedure symbolic [2020-10-14 14:09:25,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_start_transfer [2020-10-14 14:09:25,084 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2020-10-14 14:09:25,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ctrl_complete [2020-10-14 14:09:25,084 INFO L138 BoogieDeclarations]: Found implementation of procedure set_led_bit [2020-10-14 14:09:25,085 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_led [2020-10-14 14:09:25,085 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcusb_l2l1B [2020-10-14 14:09:25,085 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_ph_info [2020-10-14 14:09:25,085 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcusb_l2l1D [2020-10-14 14:09:25,086 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_l1callback [2020-10-14 14:09:25,086 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dchannel [2020-10-14 14:09:25,086 INFO L138 BoogieDeclarations]: Found implementation of procedure open_bchannel [2020-10-14 14:09:25,087 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_ctrl [2020-10-14 14:09:25,087 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_dctrl [2020-10-14 14:09:25,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_state_te [2020-10-14 14:09:25,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_state_nt [2020-10-14 14:09:25,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_state [2020-10-14 14:09:25,088 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_setup_bch [2020-10-14 14:09:25,088 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_ph_command [2020-10-14 14:09:25,088 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_bctrl [2020-10-14 14:09:25,088 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_rx_frame [2020-10-14 14:09:25,089 INFO L138 BoogieDeclarations]: Found implementation of procedure fill_isoc_urb [2020-10-14 14:09:25,089 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_iso_complete [2020-10-14 14:09:25,089 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_int_complete [2020-10-14 14:09:25,089 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_iso_complete [2020-10-14 14:09:25,089 INFO L138 BoogieDeclarations]: Found implementation of procedure start_isoc_chain [2020-10-14 14:09:25,090 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_iso_gracefull [2020-10-14 14:09:25,090 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_int_gracefull [2020-10-14 14:09:25,090 INFO L138 BoogieDeclarations]: Found implementation of procedure start_int_fifo [2020-10-14 14:09:25,091 INFO L138 BoogieDeclarations]: Found implementation of procedure setPortMode [2020-10-14 14:09:25,092 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_hfcsusb [2020-10-14 14:09:25,092 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_start_endpoint [2020-10-14 14:09:25,092 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_stop_endpoint [2020-10-14 14:09:25,092 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_hfcsusb [2020-10-14 14:09:25,094 INFO L138 BoogieDeclarations]: Found implementation of procedure release_hw [2020-10-14 14:09:25,094 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivate_bchannel [2020-10-14 14:09:25,094 INFO L138 BoogieDeclarations]: Found implementation of procedure hfc_bctrl [2020-10-14 14:09:25,094 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_instance [2020-10-14 14:09:25,095 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_probe [2020-10-14 14:09:25,095 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_disconnect [2020-10-14 14:09:25,096 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_drv_init [2020-10-14 14:09:25,096 INFO L138 BoogieDeclarations]: Found implementation of procedure hfcsusb_drv_exit [2020-10-14 14:09:25,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-14 14:09:25,096 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 14:09:25,096 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-14 14:09:25,097 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-14 14:09:25,097 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-14 14:09:25,097 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-14 14:09:25,097 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2020-10-14 14:09:25,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_22 [2020-10-14 14:09:25,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_24 [2020-10-14 14:09:25,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_26 [2020-10-14 14:09:25,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_27 [2020-10-14 14:09:25,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_28 [2020-10-14 14:09:25,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_29 [2020-10-14 14:09:25,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_30 [2020-10-14 14:09:25,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2020-10-14 14:09:25,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_32 [2020-10-14 14:09:25,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_33 [2020-10-14 14:09:25,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_34 [2020-10-14 14:09:25,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_35 [2020-10-14 14:09:25,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_36 [2020-10-14 14:09:25,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_37 [2020-10-14 14:09:25,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_38 [2020-10-14 14:09:25,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_39 [2020-10-14 14:09:25,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_40 [2020-10-14 14:09:25,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_41 [2020-10-14 14:09:25,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_42 [2020-10-14 14:09:25,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_43 [2020-10-14 14:09:25,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-14 14:09:25,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-14 14:09:25,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-14 14:09:25,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-14 14:09:25,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-14 14:09:25,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-14 14:09:25,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_skb [2020-10-14 14:09:25,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-14 14:09:25,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2020-10-14 14:09:25,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-14 14:09:25,103 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-14 14:09:25,103 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-14 14:09:25,104 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-14 14:09:25,104 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irqsave [2020-10-14 14:09:25,105 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irqrestore [2020-10-14 14:09:25,109 INFO L138 BoogieDeclarations]: Found implementation of procedure bchannel_get_rxbuf [2020-10-14 14:09:25,109 INFO L138 BoogieDeclarations]: Found implementation of procedure bchannel_senddata [2020-10-14 14:09:25,109 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2020-10-14 14:09:25,110 INFO L138 BoogieDeclarations]: Found implementation of procedure create_l1 [2020-10-14 14:09:25,110 INFO L138 BoogieDeclarations]: Found implementation of procedure dchannel_senddata [2020-10-14 14:09:25,110 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_bframe [2020-10-14 14:09:25,111 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_dframe [2020-10-14 14:09:25,111 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-10-14 14:09:25,112 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_event [2020-10-14 14:09:25,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 14:09:25,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 14:09:25,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-14 14:09:25,112 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-14 14:09:25,112 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_clear_bchannel [2020-10-14 14:09:25,112 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_ctrl_bchannel [2020-10-14 14:09:25,113 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freebchannel [2020-10-14 14:09:25,113 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freedchannel [2020-10-14 14:09:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initbchannel [2020-10-14 14:09:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initdchannel [2020-10-14 14:09:25,121 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_register_device [2020-10-14 14:09:25,121 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_unregister_device [2020-10-14 14:09:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2020-10-14 14:09:25,123 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-14 14:09:25,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-10-14 14:09:25,123 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_ch_frame [2020-10-14 14:09:25,123 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2020-10-14 14:09:25,123 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Bchannel [2020-10-14 14:09:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Dchannel [2020-10-14 14:09:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Echannel [2020-10-14 14:09:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2020-10-14 14:09:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-10-14 14:09:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy [2020-10-14 14:09:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-14 14:09:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2020-10-14 14:09:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-14 14:09:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2020-10-14 14:09:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-14 14:09:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-14 14:09:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-14 14:09:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-14 14:09:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-14 14:09:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-14 14:09:25,126 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-14 14:09:25,126 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-14 14:09:25,126 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 14:09:25,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-14 14:09:25,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-14 14:09:25,126 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-14 14:09:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 14:09:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_return_address [2020-10-14 14:09:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-14 14:09:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-14 14:09:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-14 14:09:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-14 14:09:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-14 14:09:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-14 14:09:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-14 14:09:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-14 14:09:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 14:09:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-14 14:09:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-14 14:09:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-14 14:09:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-14 14:09:25,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 14:09:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-14 14:09:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-14 14:09:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-14 14:09:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-14 14:09:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-14 14:09:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-14 14:09:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-14 14:09:25,129 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-14 14:09:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irqsave [2020-10-14 14:09:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irqrestore [2020-10-14 14:09:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-14 14:09:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_1 [2020-10-14 14:09:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-14 14:09:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_5 [2020-10-14 14:09:25,130 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-14 14:09:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_8 [2020-10-14 14:09:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-14 14:09:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2020-10-14 14:09:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2020-10-14 14:09:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-14 14:09:25,131 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2020-10-14 14:09:25,132 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2020-10-14 14:09:25,132 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 14:09:25,132 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-10-14 14:09:25,132 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-14 14:09:25,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-14 14:09:25,132 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 14:09:25,132 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 14:09:25,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 14:09:25,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 14:09:25,133 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 14:09:25,133 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 14:09:25,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 14:09:25,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 14:09:25,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-14 14:09:25,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-14 14:09:25,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-14 14:09:25,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-14 14:09:25,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-14 14:09:25,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-14 14:09:25,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-14 14:09:25,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-14 14:09:25,134 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-14 14:09:25,134 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-14 14:09:25,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 14:09:25,134 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2020-10-14 14:09:25,134 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-14 14:09:25,134 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-14 14:09:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-14 14:09:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-14 14:09:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_42 [2020-10-14 14:09:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-14 14:09:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_43 [2020-10-14 14:09:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2020-10-14 14:09:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 14:09:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-14 14:09:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2020-10-14 14:09:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-14 14:09:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_37 [2020-10-14 14:09:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_39 [2020-10-14 14:09:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_41 [2020-10-14 14:09:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-14 14:09:25,137 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-14 14:09:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_33 [2020-10-14 14:09:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_34 [2020-10-14 14:09:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_35 [2020-10-14 14:09:25,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_36 [2020-10-14 14:09:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_38 [2020-10-14 14:09:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_40 [2020-10-14 14:09:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-14 14:09:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-14 14:09:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-14 14:09:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-14 14:09:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure set_channelmap [2020-10-14 14:09:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2020-10-14 14:09:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_skb [2020-10-14 14:09:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_20 [2020-10-14 14:09:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2020-10-14 14:09:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-10-14 14:09:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_24 [2020-10-14 14:09:25,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_32 [2020-10-14 14:09:25,146 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy [2020-10-14 14:09:25,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_26 [2020-10-14 14:09:25,146 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-10-14 14:09:25,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_22 [2020-10-14 14:09:25,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_30 [2020-10-14 14:09:25,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2020-10-14 14:09:25,147 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-14 14:09:25,147 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-10-14 14:09:25,147 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-14 14:09:25,147 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2020-10-14 14:09:25,148 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2020-10-14 14:09:25,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_27 [2020-10-14 14:09:25,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_28 [2020-10-14 14:09:25,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_29 [2020-10-14 14:09:25,148 INFO L130 BoogieDeclarations]: Found specification of procedure mI_alloc_skb [2020-10-14 14:09:25,148 INFO L130 BoogieDeclarations]: Found specification of procedure _alloc_mISDN_skb [2020-10-14 14:09:25,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-14 14:09:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure _queue_data [2020-10-14 14:09:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-14 14:09:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_register_device [2020-10-14 14:09:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_unregister_device [2020-10-14 14:09:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure create_l1 [2020-10-14 14:09:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure l1_event [2020-10-14 14:09:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initdchannel [2020-10-14 14:09:25,150 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initbchannel [2020-10-14 14:09:25,150 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freedchannel [2020-10-14 14:09:25,150 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_clear_bchannel [2020-10-14 14:09:25,150 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freebchannel [2020-10-14 14:09:25,150 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_ctrl_bchannel [2020-10-14 14:09:25,150 INFO L130 BoogieDeclarations]: Found specification of procedure queue_ch_frame [2020-10-14 14:09:25,150 INFO L130 BoogieDeclarations]: Found specification of procedure dchannel_senddata [2020-10-14 14:09:25,150 INFO L130 BoogieDeclarations]: Found specification of procedure bchannel_senddata [2020-10-14 14:09:25,150 INFO L130 BoogieDeclarations]: Found specification of procedure bchannel_get_rxbuf [2020-10-14 14:09:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Dchannel [2020-10-14 14:09:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Echannel [2020-10-14 14:09:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Bchannel [2020-10-14 14:09:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_bframe [2020-10-14 14:09:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_dframe [2020-10-14 14:09:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 14:09:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure symbolic [2020-10-14 14:09:25,151 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_ph_command [2020-10-14 14:09:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure release_hw [2020-10-14 14:09:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure reset_hfcsusb [2020-10-14 14:09:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure setPortMode [2020-10-14 14:09:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_start_endpoint [2020-10-14 14:09:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_stop_endpoint [2020-10-14 14:09:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_setup_bch [2020-10-14 14:09:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure deactivate_bchannel [2020-10-14 14:09:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_ph_info [2020-10-14 14:09:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_start_transfer [2020-10-14 14:09:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2020-10-14 14:09:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure ctrl_complete [2020-10-14 14:09:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure set_led_bit [2020-10-14 14:09:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure handle_led [2020-10-14 14:09:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure hfcusb_l2l1B [2020-10-14 14:09:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure hfcusb_l2l1D [2020-10-14 14:09:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_l1callback [2020-10-14 14:09:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure open_dchannel [2020-10-14 14:09:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure open_bchannel [2020-10-14 14:09:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure channel_ctrl [2020-10-14 14:09:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_dctrl [2020-10-14 14:09:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure ph_state_te [2020-10-14 14:09:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure ph_state_nt [2020-10-14 14:09:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure ph_state [2020-10-14 14:09:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure channel_bctrl [2020-10-14 14:09:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_rx_frame [2020-10-14 14:09:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure fill_isoc_urb [2020-10-14 14:09:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure rx_iso_complete [2020-10-14 14:09:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 14:09:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure rx_int_complete [2020-10-14 14:09:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure tx_iso_complete [2020-10-14 14:09:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-14 14:09:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure start_isoc_chain [2020-10-14 14:09:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure stop_iso_gracefull [2020-10-14 14:09:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure stop_int_gracefull [2020-10-14 14:09:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure start_int_fifo [2020-10-14 14:09:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure setup_hfcsusb [2020-10-14 14:09:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure hfc_bctrl [2020-10-14 14:09:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure setup_instance [2020-10-14 14:09:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_probe [2020-10-14 14:09:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_disconnect [2020-10-14 14:09:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_drv_init [2020-10-14 14:09:25,157 INFO L130 BoogieDeclarations]: Found specification of procedure hfcsusb_drv_exit [2020-10-14 14:09:25,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 14:09:25,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 14:09:25,158 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 14:09:25,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-14 14:09:25,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-14 14:09:25,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-14 14:09:25,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-14 14:09:25,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-14 14:09:25,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-14 14:09:25,159 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 14:09:25,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 14:09:25,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 14:09:25,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 14:09:25,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 14:09:25,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-14 14:09:25,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-14 14:09:25,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-14 14:09:25,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-14 14:09:26,599 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-14 14:09:39,443 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 14:09:39,444 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-14 14:09:39,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:09:39 BoogieIcfgContainer [2020-10-14 14:09:39,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 14:09:39,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 14:09:39,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 14:09:39,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 14:09:39,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 02:09:21" (1/3) ... [2020-10-14 14:09:39,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@456f621f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:09:39, skipping insertion in model container [2020-10-14 14:09:39,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:09:24" (2/3) ... [2020-10-14 14:09:39,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@456f621f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:09:39, skipping insertion in model container [2020-10-14 14:09:39,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:09:39" (3/3) ... [2020-10-14 14:09:39,466 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--hfcsusb.ko-entry_point.cil.out.i [2020-10-14 14:09:39,477 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 14:09:39,488 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 14:09:39,503 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 14:09:39,537 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 14:09:39,537 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 14:09:39,538 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 14:09:39,538 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 14:09:39,538 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 14:09:39,538 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 14:09:39,538 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 14:09:39,538 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 14:09:39,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states. [2020-10-14 14:09:39,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-14 14:09:39,611 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 14:09:39,613 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 14:09:39,613 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 14:09:39,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 14:09:39,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1157232869, now seen corresponding path program 1 times [2020-10-14 14:09:39,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 14:09:39,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [756560141] [2020-10-14 14:09:39,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 14:09:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:09:41,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:09:42,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:09:42,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:09:49,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:10:16,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:10:16,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-14 14:10:16,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 14:10:16,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36198 [2020-10-14 14:10:16,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:10:16,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:10:16,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 14:10:16,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 14:10:16,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 14:10:16,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 14:10:28,751 WARN L193 SmtUtils]: Spent 11.42 s on a formula simplification that was a NOOP. DAG size: 1531 [2020-10-14 14:10:28,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 14:10:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:10:28,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:10:32,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:10:32,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:10:32,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:10:32,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3902 [2020-10-14 14:10:32,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:10:32,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:10:32,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:10:32,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:10:32,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:10:32,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:10:33,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 14:10:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:10:33,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:10:33,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:10:33,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:10:33,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:10:33,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 14:10:33,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:10:33,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:10:33,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:10:33,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:10:33,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:10:33,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:10:33,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 14:10:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:10:33,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:10:33,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:10:33,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 14:10:33,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:10:33,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 14:10:33,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:10:33,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:10:33,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:10:33,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:10:33,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:10:33,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:10:33,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 14:10:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:10:33,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:10:33,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:10:33,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:10:33,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:10:33,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 14:10:33,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:10:33,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:10:33,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:10:33,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 14:10:33,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:10:33,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:10:33,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 14:10:33,141 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [756560141] [2020-10-14 14:10:33,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 14:10:33,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 14:10:33,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54834242] [2020-10-14 14:10:33,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 14:10:33,149 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 14:10:33,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 14:10:33,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 14:10:33,173 INFO L87 Difference]: Start difference. First operand 1610 states. Second operand 5 states. [2020-10-14 14:10:44,565 WARN L193 SmtUtils]: Spent 11.32 s on a formula simplification that was a NOOP. DAG size: 1534 [2020-10-14 14:10:59,613 WARN L193 SmtUtils]: Spent 11.30 s on a formula simplification that was a NOOP. DAG size: 1536 [2020-10-14 14:11:30,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 14:11:30,106 INFO L93 Difference]: Finished difference Result 1530 states and 2119 transitions. [2020-10-14 14:11:30,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 14:11:30,109 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 41 [2020-10-14 14:11:30,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 14:11:30,135 INFO L225 Difference]: With dead ends: 1530 [2020-10-14 14:11:30,135 INFO L226 Difference]: Without dead ends: 822 [2020-10-14 14:11:30,148 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 34.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-14 14:11:30,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2020-10-14 14:11:30,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 645. [2020-10-14 14:11:30,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-10-14 14:11:30,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 838 transitions. [2020-10-14 14:11:30,532 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 838 transitions. Word has length 41 [2020-10-14 14:11:30,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 14:11:30,532 INFO L479 AbstractCegarLoop]: Abstraction has 645 states and 838 transitions. [2020-10-14 14:11:30,532 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 14:11:30,532 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 838 transitions. [2020-10-14 14:11:30,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-10-14 14:11:30,537 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 14:11:30,537 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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] [2020-10-14 14:11:30,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 14:11:30,538 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 14:11:30,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 14:11:30,538 INFO L82 PathProgramCache]: Analyzing trace with hash -690790234, now seen corresponding path program 1 times [2020-10-14 14:11:30,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 14:11:30,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1733863365] [2020-10-14 14:11:30,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 14:11:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:11:31,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:11:31,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:11:36,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:11:36,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-14 14:11:36,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 14:11:36,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5435 [2020-10-14 14:11:36,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:11:36,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:11:36,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 14:11:36,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-14 14:11:36,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 14:11:36,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:11:48,005 WARN L193 SmtUtils]: Spent 11.45 s on a formula simplification that was a NOOP. DAG size: 1531 [2020-10-14 14:11:48,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 14:11:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:11:48,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:11:51,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:11:51,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:11:51,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:11:51,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3913 [2020-10-14 14:11:51,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:11:51,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:11:51,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:11:51,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:11:51,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:11:51,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:11:52,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 14:11:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:11:52,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:11:52,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:11:52,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:11:52,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:11:52,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 14:11:52,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:11:52,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:11:52,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:11:52,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:11:52,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:11:52,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:11:52,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 14:11:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:11:52,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:11:52,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:11:52,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 14:11:52,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:11:52,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 14:11:52,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:11:52,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:11:52,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:11:52,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:11:52,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:11:52,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:11:52,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 14:11:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:11:52,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:11:52,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:11:52,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 14:11:52,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:11:52,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 14:11:52,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:11:52,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:11:52,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:11:52,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:11:52,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:11:52,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:11:52,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:11:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:11:52,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:11:52,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:11:52,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 14:11:52,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:11:52,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 14:11:52,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:11:52,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:11:52,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:11:52,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:11:52,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:11:52,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:11:52,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:11:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:11:52,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:11:52,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:11:52,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:11:52,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:11:52,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 14:11:52,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:11:52,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:11:52,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:11:52,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:11:52,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:11:52,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 14:11:52,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 14:11:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:11:52,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:11:52,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:11:52,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 14:11:52,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:11:52,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 14:11:52,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:11:52,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:11:52,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:11:52,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:11:52,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:11:52,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 14:11:52,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:11:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:11:52,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:11:52,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:11:52,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:11:52,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:11:52,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 14:11:52,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:11:52,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:11:52,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:11:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:11:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:11:52,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 14:11:52,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 14:11:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:11:52,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:11:52,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:11:52,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:11:52,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:11:52,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 14:11:52,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:11:52,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:11:52,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:11:52,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:11:52,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:11:52,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:11:52,732 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-14 14:11:52,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1733863365] [2020-10-14 14:11:52,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 14:11:52,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 14:11:52,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539257798] [2020-10-14 14:11:52,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 14:11:52,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 14:11:52,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 14:11:52,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 14:11:52,740 INFO L87 Difference]: Start difference. First operand 645 states and 838 transitions. Second operand 7 states. [2020-10-14 14:12:04,191 WARN L193 SmtUtils]: Spent 11.41 s on a formula simplification that was a NOOP. DAG size: 1534 [2020-10-14 14:12:37,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 14:12:37,638 INFO L93 Difference]: Finished difference Result 1474 states and 1996 transitions. [2020-10-14 14:12:37,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 14:12:37,639 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2020-10-14 14:12:37,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 14:12:37,647 INFO L225 Difference]: With dead ends: 1474 [2020-10-14 14:12:37,648 INFO L226 Difference]: Without dead ends: 841 [2020-10-14 14:12:37,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-14 14:12:37,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2020-10-14 14:12:37,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 652. [2020-10-14 14:12:37,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2020-10-14 14:12:37,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 848 transitions. [2020-10-14 14:12:37,978 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 848 transitions. Word has length 76 [2020-10-14 14:12:37,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 14:12:37,979 INFO L479 AbstractCegarLoop]: Abstraction has 652 states and 848 transitions. [2020-10-14 14:12:37,979 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 14:12:37,979 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 848 transitions. [2020-10-14 14:12:37,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-14 14:12:37,982 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 14:12:37,982 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2020-10-14 14:12:37,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 14:12:37,983 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 14:12:37,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 14:12:37,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1730102236, now seen corresponding path program 1 times [2020-10-14 14:12:37,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 14:12:37,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1473571954] [2020-10-14 14:12:37,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 14:12:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:12:38,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:12:39,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:12:44,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:12:44,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 14:12:44,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 14:12:44,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5832 [2020-10-14 14:12:44,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:12:44,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:12:44,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 14:12:44,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-14 14:12:44,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 14:12:44,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:12:55,837 WARN L193 SmtUtils]: Spent 11.43 s on a formula simplification that was a NOOP. DAG size: 1531 [2020-10-14 14:12:55,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 14:12:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:12:55,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:13:03,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:13:03,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:13:03,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:13:03,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7884 [2020-10-14 14:13:03,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:13:03,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:13:03,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:13:03,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:13:03,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:13:03,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:13:03,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 14:13:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:13:03,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:13:03,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:13:03,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:13:03,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:13:03,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 14:13:03,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:13:03,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:13:03,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:13:03,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:13:03,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:13:03,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:13:04,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 14:13:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:13:04,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:13:04,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:13:04,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 14:13:04,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:13:04,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 14:13:04,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:13:04,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:13:04,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:13:04,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:13:04,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:13:04,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:13:04,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-14 14:13:04,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:13:04,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:13:04,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:13:04,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-14 14:13:04,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:13:04,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 14:13:04,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:13:04,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:13:04,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:13:04,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:13:04,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:13:04,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:13:04,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:13:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:13:04,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:13:04,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:13:04,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 14:13:04,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:13:04,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 14:13:04,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:13:04,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:13:04,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:13:04,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:13:04,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:13:04,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:13:04,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:13:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:13:04,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:13:04,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:13:04,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:13:04,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:13:04,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 14:13:04,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:13:04,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:13:04,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:13:04,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:13:04,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:13:04,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 14:13:04,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 14:13:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:13:04,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:13:04,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:13:04,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 14:13:04,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:13:04,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 14:13:04,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:13:04,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:13:04,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:13:04,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:13:04,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:13:04,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 14:13:04,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 14:13:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:13:04,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:13:04,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:13:04,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 14:13:04,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:13:04,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 14:13:04,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:13:04,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:13:04,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:13:04,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:13:04,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:13:04,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:13:04,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 14:13:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 14:13:04,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 14:13:04,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 14:13:04,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 14:13:04,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 14:13:04,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 14:13:04,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 14:13:04,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 14:13:04,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 14:13:04,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 14:13:04,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 14:13:04,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 14:13:04,410 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-14 14:13:04,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1473571954] [2020-10-14 14:13:04,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 14:13:04,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 14:13:04,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632652354] [2020-10-14 14:13:04,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 14:13:04,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 14:13:04,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 14:13:04,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 14:13:04,414 INFO L87 Difference]: Start difference. First operand 652 states and 848 transitions. Second operand 7 states.