/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 SingleStatement --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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 20:04:17,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:04:17,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:04:17,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:04:17,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:04:17,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:04:17,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:04:17,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:04:17,807 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:04:17,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:04:17,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:04:17,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:04:17,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:04:17,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:04:17,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:04:17,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:04:17,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:04:17,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:04:17,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:04:17,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:04:17,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:04:17,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:04:17,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:04:17,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:04:17,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:04:17,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:04:17,830 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:04:17,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:04:17,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:04:17,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:04:17,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:04:17,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:04:17,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:04:17,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:04:17,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:04:17,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:04:17,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:04:17,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:04:17,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:04:17,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:04:17,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:04:17,842 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 [2020-09-24 20:04:17,870 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:04:17,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:04:17,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:04:17,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:04:17,872 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:04:17,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:04:17,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:04:17,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:04:17,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:04:17,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:04:17,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:04:17,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:04:17,874 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:04:17,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:04:17,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:04:17,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:04:17,875 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:04:17,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:04:17,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:04:17,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:04:17,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:04:17,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:04:17,876 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:04:17,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:04:17,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:04:17,877 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:04:17,877 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 20:04:17,877 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 -> SingleStatement 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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-24 20:04:18,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:04:18,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:04:18,356 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:04:18,358 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:04:18,358 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:04:18,361 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-24 20:04:18,455 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e1abf8b87/9013205dabf84b1aa5649c39abfc55c4/FLAGd4713460c [2020-09-24 20:04:19,273 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:04:19,274 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-24 20:04:19,310 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e1abf8b87/9013205dabf84b1aa5649c39abfc55c4/FLAGd4713460c [2020-09-24 20:04:19,834 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e1abf8b87/9013205dabf84b1aa5649c39abfc55c4 [2020-09-24 20:04:19,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:04:19,853 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:04:19,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:04:19,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:04:19,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:04:19,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:04:19" (1/1) ... [2020-09-24 20:04:19,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bbd1661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:04:19, skipping insertion in model container [2020-09-24 20:04:19,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:04:19" (1/1) ... [2020-09-24 20:04:19,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:04:19,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:04:21,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:04:21,723 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:04:22,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:04:22,107 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:04:22,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:04:22 WrapperNode [2020-09-24 20:04:22,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:04:22,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:04:22,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:04:22,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:04:22,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:04:22" (1/1) ... [2020-09-24 20:04:22,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:04:22" (1/1) ... [2020-09-24 20:04:22,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:04:22" (1/1) ... [2020-09-24 20:04:22,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:04:22" (1/1) ... [2020-09-24 20:04:22,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:04:22" (1/1) ... [2020-09-24 20:04:22,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:04:22" (1/1) ... [2020-09-24 20:04:22,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:04:22" (1/1) ... [2020-09-24 20:04:22,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:04:22,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:04:22,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:04:22,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:04:22,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:04:22" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:04:22,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:04:22,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:04:22,424 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2020-09-24 20:04:22,424 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2020-09-24 20:04:22,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2020-09-24 20:04:22,425 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2020-09-24 20:04:22,425 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2020-09-24 20:04:22,426 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-09-24 20:04:22,426 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-09-24 20:04:22,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-09-24 20:04:22,428 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-09-24 20:04:22,428 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-24 20:04:22,428 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 20:04:22,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 20:04:22,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-24 20:04:22,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-09-24 20:04:22,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-09-24 20:04:22,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-24 20:04:22,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-24 20:04:22,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-24 20:04:22,433 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2020-09-24 20:04:22,433 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-09-24 20:04:22,433 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_probe [2020-09-24 20:04:22,434 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2020-09-24 20:04:22,434 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_found [2020-09-24 20:04:22,435 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_command [2020-09-24 20:04:22,435 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_status [2020-09-24 20:04:22,435 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_setmask [2020-09-24 20:04:22,435 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_reset [2020-09-24 20:04:22,435 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_to_card [2020-09-24 20:04:22,435 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_from_card [2020-09-24 20:04:22,436 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_init [2020-09-24 20:04:22,436 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_exit [2020-09-24 20:04:22,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-09-24 20:04:22,437 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-09-24 20:04:22,437 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-09-24 20:04:22,437 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-09-24 20:04:22,437 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-09-24 20:04:22,438 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:04:22,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_5 [2020-09-24 20:04:22,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_6 [2020-09-24 20:04:22,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_7 [2020-09-24 20:04:22,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-24 20:04:22,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-09-24 20:04:22,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-09-24 20:04:22,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-09-24 20:04:22,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-09-24 20:04:22,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-09-24 20:04:22,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-09-24 20:04:22,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-09-24 20:04:22,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-09-24 20:04:22,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-09-24 20:04:22,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 20:04:22,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-09-24 20:04:22,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-09-24 20:04:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-09-24 20:04:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_arcdev [2020-09-24 20:04:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_interrupt [2020-09-24 20:04:22,443 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2020-09-24 20:04:22,443 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-09-24 20:04:22,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2020-09-24 20:04:22,443 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2020-09-24 20:04:22,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 20:04:22,443 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-24 20:04:22,444 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2020-09-24 20:04:22,444 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2020-09-24 20:04:22,444 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-09-24 20:04:22,444 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2020-09-24 20:04:22,444 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-09-24 20:04:22,444 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 20:04:22,445 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-09-24 20:04:22,445 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-24 20:04:22,446 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-09-24 20:04:22,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:04:22,448 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-24 20:04:22,448 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-09-24 20:04:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-09-24 20:04:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-09-24 20:04:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-09-24 20:04:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2020-09-24 20:04:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2020-09-24 20:04:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2020-09-24 20:04:22,451 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2020-09-24 20:04:22,451 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2020-09-24 20:04:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2020-09-24 20:04:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-09-24 20:04:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2020-09-24 20:04:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-09-24 20:04:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-09-24 20:04:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 20:04:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 20:04:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-09-24 20:04:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-09-24 20:04:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-24 20:04:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-24 20:04:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 20:04:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 20:04:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:04:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-24 20:04:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 20:04:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 20:04:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 20:04:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-24 20:04:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-09-24 20:04:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-09-24 20:04:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-09-24 20:04:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-24 20:04:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-24 20:04:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-24 20:04:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-09-24 20:04:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-09-24 20:04:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-09-24 20:04:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-09-24 20:04:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-09-24 20:04:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2020-09-24 20:04:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2020-09-24 20:04:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_5 [2020-09-24 20:04:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2020-09-24 20:04:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_6 [2020-09-24 20:04:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_7 [2020-09-24 20:04:22,461 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2020-09-24 20:04:22,461 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2020-09-24 20:04:22,461 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-09-24 20:04:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-09-24 20:04:22,465 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-09-24 20:04:22,466 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-09-24 20:04:22,466 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-09-24 20:04:22,466 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_interrupt [2020-09-24 20:04:22,466 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_arcdev [2020-09-24 20:04:22,467 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_found [2020-09-24 20:04:22,471 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_command [2020-09-24 20:04:22,471 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_status [2020-09-24 20:04:22,472 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_setmask [2020-09-24 20:04:22,472 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_reset [2020-09-24 20:04:22,472 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_to_card [2020-09-24 20:04:22,472 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_from_card [2020-09-24 20:04:22,472 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_probe [2020-09-24 20:04:22,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 20:04:22,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 20:04:22,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 20:04:22,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:04:22,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 20:04:22,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 20:04:22,475 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2020-09-24 20:04:22,476 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_init [2020-09-24 20:04:22,483 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_exit [2020-09-24 20:04:22,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 20:04:22,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 20:04:22,484 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:04:22,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-24 20:04:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-09-24 20:04:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-09-24 20:04:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-09-24 20:04:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-09-24 20:04:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-09-24 20:04:22,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-09-24 20:04:22,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-09-24 20:04:22,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-09-24 20:04:22,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-09-24 20:04:22,486 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 20:04:22,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:04:22,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 20:04:22,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:04:22,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-09-24 20:04:22,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-09-24 20:04:22,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-09-24 20:04:22,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-09-24 20:04:23,541 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-24 20:04:23,547 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-09-24 20:04:25,292 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:04:25,293 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-24 20:04:25,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:04:25 BoogieIcfgContainer [2020-09-24 20:04:25,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:04:25,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:04:25,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:04:25,316 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:04:25,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:04:19" (1/3) ... [2020-09-24 20:04:25,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155480df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:04:25, skipping insertion in model container [2020-09-24 20:04:25,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:04:22" (2/3) ... [2020-09-24 20:04:25,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155480df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:04:25, skipping insertion in model container [2020-09-24 20:04:25,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:04:25" (3/3) ... [2020-09-24 20:04:25,320 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2020-09-24 20:04:25,331 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:04:25,344 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:04:25,367 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:04:25,407 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:04:25,408 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:04:25,408 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:04:25,408 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:04:25,408 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:04:25,408 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:04:25,408 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:04:25,409 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:04:25,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states. [2020-09-24 20:04:25,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2020-09-24 20:04:25,529 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:04:25,531 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:04:25,531 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:04:25,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:04:25,540 INFO L82 PathProgramCache]: Analyzing trace with hash 462327911, now seen corresponding path program 1 times [2020-09-24 20:04:25,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:04:25,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1842445438] [2020-09-24 20:04:25,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:04:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:26,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:27,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:27,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-09-24 20:04:27,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:27,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1410 [2020-09-24 20:04:27,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:27,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:04:27,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 278 [2020-09-24 20:04:27,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 20:04:27,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 20:04:29,429 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 514 [2020-09-24 20:04:29,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:04:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:29,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:30,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:30,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-24 20:04:30,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:30,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 661 [2020-09-24 20:04:30,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:30,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:30,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:30,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:30,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:30,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-09-24 20:04:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:30,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:30,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:30,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:04:30,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:30,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 20:04:30,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:30,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:30,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:30,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:30,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:30,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2020-09-24 20:04:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:30,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:30,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:30,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:04:30,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:30,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 20:04:30,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:30,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:30,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 20:04:30,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:30,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:30,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 20:04:30,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1842445438] [2020-09-24 20:04:30,721 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:04:30,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 20:04:30,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178589443] [2020-09-24 20:04:30,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 20:04:30,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:04:30,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 20:04:30,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 20:04:30,751 INFO L87 Difference]: Start difference. First operand 1450 states. Second operand 5 states. [2020-09-24 20:04:33,837 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 516 [2020-09-24 20:04:46,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:04:46,639 INFO L93 Difference]: Finished difference Result 3046 states and 3696 transitions. [2020-09-24 20:04:46,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 20:04:46,641 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 298 [2020-09-24 20:04:46,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:04:46,674 INFO L225 Difference]: With dead ends: 3046 [2020-09-24 20:04:46,675 INFO L226 Difference]: Without dead ends: 1945 [2020-09-24 20:04:46,691 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 20:04:46,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1945 states. [2020-09-24 20:04:46,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1945 to 1458. [2020-09-24 20:04:46,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1458 states. [2020-09-24 20:04:46,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 1682 transitions. [2020-09-24 20:04:46,980 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 1682 transitions. Word has length 298 [2020-09-24 20:04:46,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:04:46,982 INFO L479 AbstractCegarLoop]: Abstraction has 1458 states and 1682 transitions. [2020-09-24 20:04:46,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 20:04:46,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 1682 transitions. [2020-09-24 20:04:46,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2020-09-24 20:04:46,993 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:04:46,993 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:04:46,994 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:04:46,994 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:04:46,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:04:46,994 INFO L82 PathProgramCache]: Analyzing trace with hash -95169640, now seen corresponding path program 1 times [2020-09-24 20:04:46,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:04:46,995 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2004140690] [2020-09-24 20:04:46,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:04:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:47,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:48,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:48,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:48,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 382 [2020-09-24 20:04:48,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:04:48,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1266 [2020-09-24 20:04:48,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:48,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:04:48,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 248 [2020-09-24 20:04:48,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-24 20:04:48,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:50,142 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 514 [2020-09-24 20:04:50,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:04:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:50,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:51,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:51,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-24 20:04:51,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:51,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1034 [2020-09-24 20:04:51,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:51,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:04:51,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:51,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 244 [2020-09-24 20:04:51,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:51,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-09-24 20:04:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:51,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:51,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:51,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:04:51,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:51,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-24 20:04:51,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:51,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:04:51,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:51,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:04:51,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:51,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2020-09-24 20:04:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:51,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:51,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:52,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:52,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:52,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-09-24 20:04:52,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 20:04:52,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 444 [2020-09-24 20:04:52,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:52,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:04:52,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-09-24 20:04:52,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 20:04:52,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:52,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:04:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:52,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:52,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:52,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:52,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-24 20:04:52,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:04:52,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 338 [2020-09-24 20:04:52,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:52,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:04:52,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-09-24 20:04:52,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 20:04:52,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:53,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 20:04:53,126 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2004140690] [2020-09-24 20:04:53,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:04:53,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 20:04:53,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998972391] [2020-09-24 20:04:53,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 20:04:53,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:04:53,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 20:04:53,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-09-24 20:04:53,134 INFO L87 Difference]: Start difference. First operand 1458 states and 1682 transitions. Second operand 7 states. [2020-09-24 20:04:54,505 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 517 [2020-09-24 20:04:57,685 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 519 [2020-09-24 20:05:10,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:05:10,346 INFO L93 Difference]: Finished difference Result 2836 states and 3354 transitions. [2020-09-24 20:05:10,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-24 20:05:10,350 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 365 [2020-09-24 20:05:10,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:05:10,360 INFO L225 Difference]: With dead ends: 2836 [2020-09-24 20:05:10,360 INFO L226 Difference]: Without dead ends: 1648 [2020-09-24 20:05:10,365 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-24 20:05:10,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2020-09-24 20:05:10,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 1454. [2020-09-24 20:05:10,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1454 states. [2020-09-24 20:05:10,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1454 states and 1677 transitions. [2020-09-24 20:05:10,534 INFO L78 Accepts]: Start accepts. Automaton has 1454 states and 1677 transitions. Word has length 365 [2020-09-24 20:05:10,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:05:10,535 INFO L479 AbstractCegarLoop]: Abstraction has 1454 states and 1677 transitions. [2020-09-24 20:05:10,535 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 20:05:10,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 1677 transitions. [2020-09-24 20:05:10,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2020-09-24 20:05:10,543 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:05:10,544 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:05:10,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 20:05:10,544 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:05:10,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:05:10,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1711376016, now seen corresponding path program 1 times [2020-09-24 20:05:10,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:05:10,545 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1443118487] [2020-09-24 20:05:10,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:05:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:05:10,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:05:11,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:05:11,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:05:11,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 431 [2020-09-24 20:05:11,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:05:11,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1173 [2020-09-24 20:05:11,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:05:11,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:05:11,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 263 [2020-09-24 20:05:11,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-09-24 20:05:11,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4