/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 08:58:04,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 08:58:04,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 08:58:04,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 08:58:04,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 08:58:04,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 08:58:04,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 08:58:04,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 08:58:04,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 08:58:04,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 08:58:04,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 08:58:04,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 08:58:04,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 08:58:04,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 08:58:04,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 08:58:04,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 08:58:04,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 08:58:04,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 08:58:04,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 08:58:04,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 08:58:04,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 08:58:04,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 08:58:04,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 08:58:04,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 08:58:04,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 08:58:04,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 08:58:04,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 08:58:04,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 08:58:04,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 08:58:04,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 08:58:04,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 08:58:04,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 08:58:04,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 08:58:04,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 08:58:04,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 08:58:04,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 08:58:04,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 08:58:04,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 08:58:04,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 08:58:04,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 08:58:04,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 08:58:04,495 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-15 08:58:04,537 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 08:58:04,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 08:58:04,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 08:58:04,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 08:58:04,539 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 08:58:04,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 08:58:04,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 08:58:04,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 08:58:04,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 08:58:04,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 08:58:04,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 08:58:04,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 08:58:04,542 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 08:58:04,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 08:58:04,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 08:58:04,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 08:58:04,543 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 08:58:04,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 08:58:04,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 08:58:04,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 08:58:04,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 08:58:04,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 08:58:04,544 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 08:58:04,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 08:58:04,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 08:58:04,545 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 08:58:04,545 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 08:58:04,545 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 08:58:04,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 08:58:04,859 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 08:58:04,863 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 08:58:04,864 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 08:58:04,865 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 08:58:04,865 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i [2020-10-15 08:58:04,924 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/609033252/38a2bc0ec11746f78541bc691055c08b/FLAG6684fce77 [2020-10-15 08:58:05,694 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 08:58:05,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i [2020-10-15 08:58:05,732 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/609033252/38a2bc0ec11746f78541bc691055c08b/FLAG6684fce77 [2020-10-15 08:58:06,165 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/609033252/38a2bc0ec11746f78541bc691055c08b [2020-10-15 08:58:06,175 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 08:58:06,177 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 08:58:06,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 08:58:06,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 08:58:06,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 08:58:06,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:58:06" (1/1) ... [2020-10-15 08:58:06,186 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29b1787e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:58:06, skipping insertion in model container [2020-10-15 08:58:06,186 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:58:06" (1/1) ... [2020-10-15 08:58:06,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 08:58:06,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 08:58:06,937 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3835] [2020-10-15 08:58:06,938 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3836-3837] [2020-10-15 08:58:08,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 08:58:08,113 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 08:58:08,196 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3835] [2020-10-15 08:58:08,196 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3836-3837] [2020-10-15 08:58:08,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 08:58:08,565 INFO L208 MainTranslator]: Completed translation [2020-10-15 08:58:08,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:58:08 WrapperNode [2020-10-15 08:58:08,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 08:58:08,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 08:58:08,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 08:58:08,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 08:58:08,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:58:08" (1/1) ... [2020-10-15 08:58:08,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:58:08" (1/1) ... [2020-10-15 08:58:08,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:58:08" (1/1) ... [2020-10-15 08:58:08,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:58:08" (1/1) ... [2020-10-15 08:58:08,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:58:08" (1/1) ... [2020-10-15 08:58:08,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:58:08" (1/1) ... [2020-10-15 08:58:08,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:58:08" (1/1) ... [2020-10-15 08:58:08,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 08:58:08,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 08:58:08,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 08:58:08,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 08:58:08,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:58:08" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 08:58:08,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 08:58:08,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 08:58:08,875 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-15 08:58:08,875 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-15 08:58:08,875 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-15 08:58:08,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_1 [2020-10-15 08:58:08,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_4 [2020-10-15 08:58:08,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_5 [2020-10-15 08:58:08,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_7 [2020-10-15 08:58:08,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_8 [2020-10-15 08:58:08,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-15 08:58:08,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_12 [2020-10-15 08:58:08,877 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 08:58:08,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-15 08:58:08,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-15 08:58:08,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-15 08:58:08,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-15 08:58:08,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-15 08:58:08,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-15 08:58:08,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-15 08:58:08,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-15 08:58:08,878 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2020-10-15 08:58:08,879 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-15 08:58:08,879 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-15 08:58:08,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_mark_last_busy [2020-10-15 08:58:08,879 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2020-10-15 08:58:08,879 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2020-10-15 08:58:08,879 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-15 08:58:08,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-15 08:58:08,879 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2020-10-15 08:58:08,880 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2020-10-15 08:58:08,880 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2020-10-15 08:58:08,880 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2020-10-15 08:58:08,880 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2020-10-15 08:58:08,880 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_set_power_state [2020-10-15 08:58:08,880 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_vsc_set_nmea [2020-10-15 08:58:08,880 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_calc_num_ports [2020-10-15 08:58:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure is_blacklisted [2020-10-15 08:58:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure is_himemory [2020-10-15 08:58:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_calc_interface [2020-10-15 08:58:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_probe [2020-10-15 08:58:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_send_setup [2020-10-15 08:58:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_tiocmget [2020-10-15 08:58:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_tiocmset [2020-10-15 08:58:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_release_urb [2020-10-15 08:58:08,882 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_outdat_callback [2020-10-15 08:58:08,882 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_write [2020-10-15 08:58:08,882 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_indat_callback [2020-10-15 08:58:08,882 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_instat_callback [2020-10-15 08:58:08,882 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_write_room [2020-10-15 08:58:08,882 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_chars_in_buffer [2020-10-15 08:58:08,883 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_stop_rx_urbs [2020-10-15 08:58:08,883 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_submit_rx_urbs [2020-10-15 08:58:08,883 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_setup_urb [2020-10-15 08:58:08,883 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_close [2020-10-15 08:58:08,883 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_open [2020-10-15 08:58:08,883 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_dtr_rts [2020-10-15 08:58:08,883 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_startup [2020-10-15 08:58:08,884 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_release [2020-10-15 08:58:08,884 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_port_probe [2020-10-15 08:58:08,884 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_port_remove [2020-10-15 08:58:08,884 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_read_write_urbs [2020-10-15 08:58:08,884 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_suspend [2020-10-15 08:58:08,884 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_submit_delayed_urbs [2020-10-15 08:58:08,884 INFO L138 BoogieDeclarations]: Found implementation of procedure sierra_resume [2020-10-15 08:58:08,884 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_module_init [2020-10-15 08:58:08,885 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_module_exit [2020-10-15 08:58:08,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_1 [2020-10-15 08:58:08,885 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 08:58:08,885 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-15 08:58:08,885 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-10-15 08:58:08,885 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-15 08:58:08,885 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-10-15 08:58:08,886 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-15 08:58:08,886 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-15 08:58:08,886 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-15 08:58:08,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_19 [2020-10-15 08:58:08,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_20 [2020-10-15 08:58:08,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_21 [2020-10-15 08:58:08,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2020-10-15 08:58:08,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_23 [2020-10-15 08:58:08,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_24 [2020-10-15 08:58:08,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_25 [2020-10-15 08:58:08,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_26 [2020-10-15 08:58:08,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-15 08:58:08,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-15 08:58:08,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-15 08:58:08,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-15 08:58:08,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-15 08:58:08,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-15 08:58:08,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-15 08:58:08,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-15 08:58:08,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-15 08:58:08,888 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-15 08:58:08,888 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2020-10-15 08:58:08,888 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-15 08:58:08,889 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2020-10-15 08:58:08,889 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-15 08:58:08,889 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-15 08:58:08,889 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-10-15 08:58:08,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-15 08:58:08,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2020-10-15 08:58:08,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-15 08:58:08,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-15 08:58:08,890 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2020-10-15 08:58:08,890 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2020-10-15 08:58:08,890 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2020-10-15 08:58:08,890 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-15 08:58:08,890 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2020-10-15 08:58:08,890 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2020-10-15 08:58:08,890 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_async [2020-10-15 08:58:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2020-10-15 08:58:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2020-10-15 08:58:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2020-10-15 08:58:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2020-10-15 08:58:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-15 08:58:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-15 08:58:08,891 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2020-10-15 08:58:08,892 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2020-10-15 08:58:08,892 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-15 08:58:08,892 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister_drivers [2020-10-15 08:58:08,892 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2020-10-15 08:58:08,892 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register_drivers [2020-10-15 08:58:08,892 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-15 08:58:08,892 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-15 08:58:08,893 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2020-10-15 08:58:08,893 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-15 08:58:08,893 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-15 08:58:08,893 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-15 08:58:08,893 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-15 08:58:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 08:58:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-15 08:58:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-15 08:58:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-15 08:58:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-15 08:58:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 08:58:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-15 08:58:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-15 08:58:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 08:58:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-15 08:58:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-15 08:58:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-15 08:58:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2020-10-15 08:58:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-15 08:58:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2020-10-15 08:58:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-15 08:58:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-15 08:58:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_1 [2020-10-15 08:58:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-15 08:58:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_4 [2020-10-15 08:58:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-10-15 08:58:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_5 [2020-10-15 08:58:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-15 08:58:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_7 [2020-10-15 08:58:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-10-15 08:58:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_8 [2020-10-15 08:58:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-15 08:58:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-15 08:58:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-15 08:58:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-15 08:58:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-15 08:58:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-10-15 08:58:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_12 [2020-10-15 08:58:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-15 08:58:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-15 08:58:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-15 08:58:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 08:58:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-15 08:58:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 08:58:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-15 08:58:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-15 08:58:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 08:58:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 08:58:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 08:58:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-15 08:58:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-15 08:58:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-15 08:58:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-15 08:58:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-15 08:58:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-15 08:58:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-15 08:58:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_1 [2020-10-15 08:58:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2020-10-15 08:58:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2020-10-15 08:58:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2020-10-15 08:58:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2020-10-15 08:58:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-15 08:58:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 08:58:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-15 08:58:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-15 08:58:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_mark_last_busy [2020-10-15 08:58:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 08:58:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2020-10-15 08:58:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2020-10-15 08:58:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_async [2020-10-15 08:58:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2020-10-15 08:58:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2020-10-15 08:58:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2020-10-15 08:58:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2020-10-15 08:58:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 08:58:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-15 08:58:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 08:58:08,902 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-15 08:58:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-15 08:58:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_19 [2020-10-15 08:58:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_25 [2020-10-15 08:58:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-15 08:58:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-15 08:58:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_20 [2020-10-15 08:58:08,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_21 [2020-10-15 08:58:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2020-10-15 08:58:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_23 [2020-10-15 08:58:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_24 [2020-10-15 08:58:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_26 [2020-10-15 08:58:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-15 08:58:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2020-10-15 08:58:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2020-10-15 08:58:08,904 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2020-10-15 08:58:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2020-10-15 08:58:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-15 08:58:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2020-10-15 08:58:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-15 08:58:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-15 08:58:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2020-10-15 08:58:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2020-10-15 08:58:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2020-10-15 08:58:08,905 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2020-10-15 08:58:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register_drivers [2020-10-15 08:58:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2020-10-15 08:58:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2020-10-15 08:58:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2020-10-15 08:58:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_set_power_state [2020-10-15 08:58:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_vsc_set_nmea [2020-10-15 08:58:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_calc_num_ports [2020-10-15 08:58:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure is_blacklisted [2020-10-15 08:58:08,906 INFO L130 BoogieDeclarations]: Found specification of procedure is_himemory [2020-10-15 08:58:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_calc_interface [2020-10-15 08:58:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_probe [2020-10-15 08:58:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_send_setup [2020-10-15 08:58:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_tiocmget [2020-10-15 08:58:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_tiocmset [2020-10-15 08:58:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_release_urb [2020-10-15 08:58:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_outdat_callback [2020-10-15 08:58:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-15 08:58:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_write [2020-10-15 08:58:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-15 08:58:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_indat_callback [2020-10-15 08:58:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_instat_callback [2020-10-15 08:58:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_write_room [2020-10-15 08:58:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_chars_in_buffer [2020-10-15 08:58:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_stop_rx_urbs [2020-10-15 08:58:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_submit_rx_urbs [2020-10-15 08:58:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_setup_urb [2020-10-15 08:58:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_close [2020-10-15 08:58:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_open [2020-10-15 08:58:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_dtr_rts [2020-10-15 08:58:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_startup [2020-10-15 08:58:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_release [2020-10-15 08:58:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_port_probe [2020-10-15 08:58:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_port_remove [2020-10-15 08:58:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure stop_read_write_urbs [2020-10-15 08:58:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_suspend [2020-10-15 08:58:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_submit_delayed_urbs [2020-10-15 08:58:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure sierra_resume [2020-10-15 08:58:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_module_init [2020-10-15 08:58:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_module_exit [2020-10-15 08:58:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2020-10-15 08:58:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-15 08:58:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-15 08:58:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 08:58:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-15 08:58:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-15 08:58:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-15 08:58:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-15 08:58:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 08:58:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 08:58:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 08:58:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-15 08:58:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 08:58:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-15 08:58:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-15 08:58:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-15 08:58:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-15 08:58:10,000 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-15 08:58:17,193 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 08:58:17,193 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-15 08:58:17,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:58:17 BoogieIcfgContainer [2020-10-15 08:58:17,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 08:58:17,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 08:58:17,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 08:58:17,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 08:58:17,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:58:06" (1/3) ... [2020-10-15 08:58:17,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3771d29b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:58:17, skipping insertion in model container [2020-10-15 08:58:17,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:58:08" (2/3) ... [2020-10-15 08:58:17,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3771d29b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:58:17, skipping insertion in model container [2020-10-15 08:58:17,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:58:17" (3/3) ... [2020-10-15 08:58:17,211 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--serial--sierra.ko-entry_point.cil.out.i [2020-10-15 08:58:17,222 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 08:58:17,231 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 08:58:17,244 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 08:58:17,272 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 08:58:17,272 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 08:58:17,272 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 08:58:17,272 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 08:58:17,272 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 08:58:17,272 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 08:58:17,273 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 08:58:17,273 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 08:58:17,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states. [2020-10-15 08:58:17,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-15 08:58:17,326 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 08:58:17,328 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 08:58:17,328 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 08:58:17,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 08:58:17,334 INFO L82 PathProgramCache]: Analyzing trace with hash -2050945507, now seen corresponding path program 1 times [2020-10-15 08:58:17,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 08:58:17,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1397575219] [2020-10-15 08:58:17,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 08:58:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:58:18,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:58:19,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:58:19,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:58:24,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:58:24,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 08:58:24,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 08:58:24,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6093 [2020-10-15 08:58:24,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:58:24,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:58:24,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:58:24,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-15 08:58:24,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 08:58:24,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-15 08:58:28,523 WARN L193 SmtUtils]: Spent 3.83 s on a formula simplification that was a NOOP. DAG size: 976 [2020-10-15 08:58:28,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:58:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:58:28,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:58:30,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:58:30,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:58:30,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:58:30,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1950 [2020-10-15 08:58:30,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:58:30,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:58:30,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:58:30,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:58:30,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:58:30,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:58:30,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:58:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:58:30,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:58:30,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:58:30,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:58:30,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:58:30,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 08:58:30,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:58:30,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:58:30,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:58:30,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:58:30,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:58:30,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:58:30,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 08:58:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:58:30,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:58:30,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:58:30,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:58:30,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:58:30,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 08:58:30,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:58:30,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:58:30,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:58:30,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:58:30,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:58:30,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:58:30,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 08:58:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:58:30,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:58:30,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:58:30,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:58:30,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:58:30,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 08:58:30,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:58:30,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:58:30,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:58:30,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:58:30,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:58:30,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:58:30,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 08:58:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:58:30,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:58:30,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:58:30,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 08:58:30,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:58:30,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 08:58:30,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:58:30,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:58:30,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:58:30,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:58:30,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:58:30,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 08:58:30,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 08:58:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:58:30,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:58:30,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:58:30,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:58:30,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:58:30,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 08:58:30,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-15 08:58:30,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:58:30,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:58:30,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 08:58:30,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 08:58:30,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 08:58:30,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:58:30,957 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-15 08:58:30,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1397575219] [2020-10-15 08:58:30,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 08:58:30,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 08:58:30,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270075052] [2020-10-15 08:58:30,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 08:58:30,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 08:58:30,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 08:58:30,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-15 08:58:30,986 INFO L87 Difference]: Start difference. First operand 1178 states. Second operand 8 states. [2020-10-15 08:58:35,005 WARN L193 SmtUtils]: Spent 3.95 s on a formula simplification that was a NOOP. DAG size: 985 [2020-10-15 08:58:41,889 WARN L193 SmtUtils]: Spent 3.59 s on a formula simplification that was a NOOP. DAG size: 988 [2020-10-15 08:58:45,881 WARN L193 SmtUtils]: Spent 3.92 s on a formula simplification that was a NOOP. DAG size: 990 [2020-10-15 08:58:50,098 WARN L193 SmtUtils]: Spent 3.86 s on a formula simplification that was a NOOP. DAG size: 987 [2020-10-15 08:59:19,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 08:59:19,994 INFO L93 Difference]: Finished difference Result 2519 states and 3568 transitions. [2020-10-15 08:59:19,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 08:59:19,996 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49 [2020-10-15 08:59:19,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 08:59:20,028 INFO L225 Difference]: With dead ends: 2519 [2020-10-15 08:59:20,028 INFO L226 Difference]: Without dead ends: 1365 [2020-10-15 08:59:20,043 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 19.5s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-15 08:59:20,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2020-10-15 08:59:20,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 1210. [2020-10-15 08:59:20,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1210 states. [2020-10-15 08:59:20,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 1617 transitions. [2020-10-15 08:59:20,546 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 1617 transitions. Word has length 49 [2020-10-15 08:59:20,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 08:59:20,547 INFO L479 AbstractCegarLoop]: Abstraction has 1210 states and 1617 transitions. [2020-10-15 08:59:20,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 08:59:20,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1617 transitions. [2020-10-15 08:59:20,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-15 08:59:20,554 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 08:59:20,554 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2020-10-15 08:59:20,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 08:59:20,555 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 08:59:20,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 08:59:20,555 INFO L82 PathProgramCache]: Analyzing trace with hash 987102042, now seen corresponding path program 1 times [2020-10-15 08:59:20,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 08:59:20,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1981326523] [2020-10-15 08:59:20,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 08:59:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:59:21,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:59:21,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:59:27,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:59:27,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 127 [2020-10-15 08:59:27,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 08:59:27,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6436 [2020-10-15 08:59:27,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:59:27,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:59:27,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:59:27,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-15 08:59:27,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-15 08:59:27,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-15 08:59:31,247 WARN L193 SmtUtils]: Spent 3.70 s on a formula simplification that was a NOOP. DAG size: 976 [2020-10-15 08:59:31,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 08:59:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:59:31,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:59:32,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:59:32,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:59:32,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:59:32,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1364 [2020-10-15 08:59:32,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:59:32,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:59:32,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:59:32,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:59:32,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:59:32,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:59:32,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 08:59:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:59:32,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:59:32,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:59:32,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:59:32,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:59:32,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 08:59:32,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:59:32,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:59:32,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:59:32,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:59:32,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:59:32,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:59:32,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 08:59:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:59:32,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:59:32,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:59:32,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:59:32,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:59:32,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 08:59:32,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:59:32,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:59:32,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:59:32,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:59:32,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:59:32,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:59:32,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 08:59:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:59:32,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:59:32,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:59:32,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:59:32,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:59:32,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-15 08:59:32,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:59:32,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:59:32,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:59:32,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:59:32,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:59:32,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:59:32,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 08:59:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:59:32,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:59:32,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:59:32,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 08:59:32,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:59:32,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 08:59:32,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:59:32,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:59:32,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:59:32,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:59:32,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:59:32,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:59:32,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 08:59:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:59:32,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:59:32,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:59:33,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:59:33,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 08:59:33,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 08:59:33,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-15 08:59:33,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:59:33,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:59:33,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 08:59:33,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 08:59:33,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 08:59:33,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:59:33,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 08:59:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:59:33,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:59:33,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:59:33,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 08:59:33,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:59:33,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 08:59:33,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:59:33,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:59:33,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:59:33,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:59:33,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:59:33,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 08:59:33,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:59:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:59:33,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:59:33,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:59:33,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 08:59:33,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:59:33,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 08:59:33,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:59:33,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:59:33,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:59:33,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:59:33,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:59:33,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:59:33,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 08:59:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:59:33,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:59:33,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:59:33,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-15 08:59:33,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:59:33,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-15 08:59:33,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:59:33,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:59:33,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 08:59:33,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:59:33,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-15 08:59:33,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:59:33,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 08:59:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:59:33,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:59:33,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:59:33,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:59:33,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:59:33,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 08:59:33,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:59:33,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:59:33,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:59:33,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:59:33,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:59:33,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:59:33,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 08:59:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:59:33,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:59:33,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:59:33,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:59:33,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:59:33,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 08:59:33,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:59:33,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:59:33,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:59:33,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:59:33,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:59:33,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:59:33,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 08:59:33,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 08:59:33,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 08:59:33,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 08:59:33,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 08:59:33,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 08:59:33,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 08:59:33,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 08:59:33,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 08:59:33,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 08:59:33,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 08:59:33,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 08:59:33,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 08:59:33,373 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-15 08:59:33,373 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1981326523] [2020-10-15 08:59:33,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 08:59:33,374 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-15 08:59:33,374 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870114539] [2020-10-15 08:59:33,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 08:59:33,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 08:59:33,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 08:59:33,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-15 08:59:33,378 INFO L87 Difference]: Start difference. First operand 1210 states and 1617 transitions. Second operand 10 states. [2020-10-15 08:59:37,359 WARN L193 SmtUtils]: Spent 3.93 s on a formula simplification that was a NOOP. DAG size: 985 [2020-10-15 08:59:44,145 WARN L193 SmtUtils]: Spent 3.79 s on a formula simplification that was a NOOP. DAG size: 988 [2020-10-15 08:59:48,055 WARN L193 SmtUtils]: Spent 3.84 s on a formula simplification that was a NOOP. DAG size: 979 [2020-10-15 08:59:52,006 WARN L193 SmtUtils]: Spent 3.89 s on a formula simplification that was a NOOP. DAG size: 981 [2020-10-15 08:59:56,361 WARN L193 SmtUtils]: Spent 3.87 s on a formula simplification that was a NOOP. DAG size: 987 [2020-10-15 09:00:01,513 WARN L193 SmtUtils]: Spent 3.90 s on a formula simplification that was a NOOP. DAG size: 978 [2020-10-15 09:00:08,007 WARN L193 SmtUtils]: Spent 3.90 s on a formula simplification that was a NOOP. DAG size: 990 [2020-10-15 09:00:11,703 WARN L193 SmtUtils]: Spent 3.62 s on a formula simplification that was a NOOP. DAG size: 980 [2020-10-15 09:00:15,387 WARN L193 SmtUtils]: Spent 3.60 s on a formula simplification that was a NOOP. DAG size: 982 [2020-10-15 09:00:47,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 09:00:47,277 INFO L93 Difference]: Finished difference Result 2937 states and 3996 transitions. [2020-10-15 09:00:47,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-15 09:00:47,278 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 91 [2020-10-15 09:00:47,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 09:00:47,291 INFO L225 Difference]: With dead ends: 2937 [2020-10-15 09:00:47,292 INFO L226 Difference]: Without dead ends: 1739 [2020-10-15 09:00:47,298 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 38.9s TimeCoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2020-10-15 09:00:47,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1739 states. [2020-10-15 09:00:47,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1739 to 1568. [2020-10-15 09:00:47,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1568 states. [2020-10-15 09:00:47,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2052 transitions. [2020-10-15 09:00:47,776 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2052 transitions. Word has length 91 [2020-10-15 09:00:47,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 09:00:47,777 INFO L479 AbstractCegarLoop]: Abstraction has 1568 states and 2052 transitions. [2020-10-15 09:00:47,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 09:00:47,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2052 transitions. [2020-10-15 09:00:47,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-15 09:00:47,780 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 09:00:47,780 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2020-10-15 09:00:47,781 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 09:00:47,781 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 09:00:47,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 09:00:47,781 INFO L82 PathProgramCache]: Analyzing trace with hash -723646160, now seen corresponding path program 1 times [2020-10-15 09:00:47,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 09:00:47,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [697145275] [2020-10-15 09:00:47,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 09:00:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 09:00:48,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 09:00:54,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 09:00:54,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-15 09:00:54,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 09:00:54,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6179 [2020-10-15 09:00:54,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 09:00:54,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 09:00:54,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 09:00:54,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-15 09:00:54,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 09:00:54,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 09:00:58,201 WARN L193 SmtUtils]: Spent 3.90 s on a formula simplification that was a NOOP. DAG size: 976 [2020-10-15 09:00:58,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 09:00:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 09:00:58,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 09:01:00,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 09:01:00,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 09:01:00,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 09:01:00,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2304 [2020-10-15 09:01:00,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 09:01:00,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 09:01:00,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 09:01:00,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 09:01:00,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 09:01:00,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 09:01:00,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 09:01:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 09:01:00,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 09:01:00,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 09:01:00,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 09:01:00,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 09:01:00,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 09:01:00,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 09:01:00,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 09:01:00,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 09:01:00,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 09:01:00,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 09:01:00,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 09:01:00,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 09:01:00,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 09:01:00,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 09:01:00,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 09:01:00,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 09:01:00,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 09:01:00,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 09:01:00,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 09:01:00,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 09:01:00,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 09:01:00,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 09:01:00,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 09:01:00,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 09:01:00,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 09:01:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 09:01:00,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 09:01:00,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 09:01:00,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 09:01:00,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 09:01:00,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 09:01:00,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 09:01:00,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 09:01:00,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 09:01:00,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 09:01:00,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 09:01:00,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 09:01:00,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-15 09:01:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 09:01:00,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 09:01:00,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 09:01:00,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 09:01:00,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 09:01:00,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 09:01:00,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 09:01:00,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 09:01:00,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 09:01:00,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 09:01:00,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 09:01:00,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 09:01:00,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 09:01:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 09:01:00,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 09:01:00,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 09:01:00,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 09:01:00,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 09:01:00,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-15 09:01:00,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 09:01:00,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 09:01:00,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 09:01:00,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 09:01:00,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 09:01:00,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 09:01:00,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 09:01:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 09:01:00,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 09:01:00,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 09:01:00,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 09:01:00,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 09:01:00,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 09:01:00,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 09:01:00,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 09:01:00,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 09:01:00,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 09:01:00,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 09:01:00,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 09:01:00,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 09:01:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 09:01:00,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 09:01:00,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 09:01:00,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 09:01:00,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 09:01:00,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 09:01:00,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 09:01:00,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 09:01:00,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 09:01:00,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 09:01:00,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 09:01:00,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 09:01:00,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-15 09:01:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 09:01:01,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 09:01:01,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 09:01:01,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-15 09:01:01,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 09:01:01,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-15 09:01:01,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 09:01:01,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 09:01:01,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 09:01:01,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-15 09:01:01,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 09:01:01,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 09:01:01,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 09:01:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 09:01:01,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 09:01:01,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 09:01:01,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 09:01:01,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 09:01:01,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 09:01:01,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 09:01:01,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 09:01:01,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 09:01:01,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 09:01:01,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 09:01:01,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 09:01:01,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 09:01:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 09:01:01,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 09:01:01,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 09:01:01,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 09:01:01,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 09:01:01,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 09:01:01,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 09:01:01,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 09:01:01,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 09:01:01,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 09:01:01,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 09:01:01,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 09:01:01,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 09:01:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 09:01:01,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 09:01:01,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 09:01:01,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 09:01:01,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 09:01:01,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 09:01:01,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 09:01:01,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 09:01:01,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 09:01:01,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 09:01:01,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 09:01:01,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 09:01:01,178 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-10-15 09:01:01,180 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [697145275] [2020-10-15 09:01:01,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 09:01:01,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-15 09:01:01,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559186275] [2020-10-15 09:01:01,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 09:01:01,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 09:01:01,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 09:01:01,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-15 09:01:01,184 INFO L87 Difference]: Start difference. First operand 1568 states and 2052 transitions. Second operand 10 states. [2020-10-15 09:01:05,058 WARN L193 SmtUtils]: Spent 3.81 s on a formula simplification that was a NOOP. DAG size: 985 [2020-10-15 09:01:25,796 WARN L193 SmtUtils]: Spent 3.89 s on a formula simplification that was a NOOP. DAG size: 988 [2020-10-15 09:01:29,708 WARN L193 SmtUtils]: Spent 3.84 s on a formula simplification that was a NOOP. DAG size: 979 [2020-10-15 09:01:33,588 WARN L193 SmtUtils]: Spent 3.80 s on a formula simplification that was a NOOP. DAG size: 979 [2020-10-15 09:01:37,638 WARN L193 SmtUtils]: Spent 3.97 s on a formula simplification that was a NOOP. DAG size: 981