/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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 02:49:41,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 02:49:41,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 02:49:41,471 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 02:49:41,471 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 02:49:41,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 02:49:41,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 02:49:41,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 02:49:41,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 02:49:41,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 02:49:41,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 02:49:41,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 02:49:41,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 02:49:41,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 02:49:41,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 02:49:41,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 02:49:41,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 02:49:41,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 02:49:41,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 02:49:41,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 02:49:41,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 02:49:41,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 02:49:41,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 02:49:41,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 02:49:41,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 02:49:41,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 02:49:41,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 02:49:41,505 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 02:49:41,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 02:49:41,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 02:49:41,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 02:49:41,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 02:49:41,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 02:49:41,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 02:49:41,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 02:49:41,513 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 02:49:41,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 02:49:41,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 02:49:41,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 02:49:41,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 02:49:41,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 02:49:41,518 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 [2020-09-25 02:49:41,547 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 02:49:41,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 02:49:41,549 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 02:49:41,549 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 02:49:41,550 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 02:49:41,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 02:49:41,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 02:49:41,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 02:49:41,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 02:49:41,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 02:49:41,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 02:49:41,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 02:49:41,551 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 02:49:41,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 02:49:41,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 02:49:41,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 02:49:41,552 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 02:49:41,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 02:49:41,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 02:49:41,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 02:49:41,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 02:49:41,553 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 02:49:41,553 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 02:49:41,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 02:49:41,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 02:49:41,554 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 02:49:41,554 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 02:49:41,554 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=5000;interpolation-heuristic=NARROWEST;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=5000;interpolation-heuristic=NARROWEST;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=5000;interpolation-heuristic=NARROWEST;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=5000;interpolation-heuristic=NARROWEST;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=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; [2020-09-25 02:49:42,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 02:49:42,036 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 02:49:42,041 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 02:49:42,043 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 02:49:42,044 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 02:49:42,045 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2020-09-25 02:49:42,146 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8bd3c22c3/f89294392a614ceb969590ce8fd0fe74/FLAGe68f8120a [2020-09-25 02:49:42,989 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 02:49:42,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2020-09-25 02:49:43,036 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8bd3c22c3/f89294392a614ceb969590ce8fd0fe74/FLAGe68f8120a [2020-09-25 02:49:43,534 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8bd3c22c3/f89294392a614ceb969590ce8fd0fe74 [2020-09-25 02:49:43,548 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 02:49:43,553 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 02:49:43,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 02:49:43,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 02:49:43,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 02:49:43,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:49:43" (1/1) ... [2020-09-25 02:49:43,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59835e02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:43, skipping insertion in model container [2020-09-25 02:49:43,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:49:43" (1/1) ... [2020-09-25 02:49:43,574 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 02:49:43,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 02:49:44,358 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2539] [2020-09-25 02:49:44,359 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2540-2541] [2020-09-25 02:49:45,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:49:45,105 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 02:49:45,167 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2539] [2020-09-25 02:49:45,168 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2540-2541] [2020-09-25 02:49:45,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:49:45,414 INFO L208 MainTranslator]: Completed translation [2020-09-25 02:49:45,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:45 WrapperNode [2020-09-25 02:49:45,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 02:49:45,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 02:49:45,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 02:49:45,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 02:49:45,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:45" (1/1) ... [2020-09-25 02:49:45,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:45" (1/1) ... [2020-09-25 02:49:45,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:45" (1/1) ... [2020-09-25 02:49:45,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:45" (1/1) ... [2020-09-25 02:49:45,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:45" (1/1) ... [2020-09-25 02:49:45,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:45" (1/1) ... [2020-09-25 02:49:45,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:45" (1/1) ... [2020-09-25 02:49:45,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 02:49:45,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 02:49:45,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 02:49:45,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 02:49:45,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:45" (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 [2020-09-25 02:49:45,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 02:49:45,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 02:49:45,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 02:49:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-09-25 02:49:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-09-25 02:49:45,893 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-09-25 02:49:45,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2020-09-25 02:49:45,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2020-09-25 02:49:45,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight8 [2020-09-25 02:49:45,896 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2020-09-25 02:49:45,896 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-09-25 02:49:45,896 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2020-09-25 02:49:45,896 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2020-09-25 02:49:45,900 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2020-09-25 02:49:45,901 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-09-25 02:49:45,901 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-09-25 02:49:45,901 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-09-25 02:49:45,901 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 02:49:45,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 02:49:45,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-25 02:49:45,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-25 02:49:45,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-25 02:49:45,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 02:49:45,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-25 02:49:45,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 02:49:45,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 02:49:45,904 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 02:49:45,904 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 02:49:45,904 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-09-25 02:49:45,904 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2020-09-25 02:49:45,904 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2020-09-25 02:49:45,904 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2020-09-25 02:49:45,904 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2020-09-25 02:49:45,905 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2020-09-25 02:49:45,905 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_drvdata [2020-09-25 02:49:45,905 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drvdata [2020-09-25 02:49:45,905 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_trigger [2020-09-25 02:49:45,905 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2020-09-25 02:49:45,908 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_cooked_read [2020-09-25 02:49:45,908 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_calibrate [2020-09-25 02:49:45,908 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_time [2020-09-25 02:49:45,908 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_poll_handler [2020-09-25 02:49:45,909 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_poll_interval [2020-09-25 02:49:45,909 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_decode [2020-09-25 02:49:45,909 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_cooked_read [2020-09-25 02:49:45,909 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_button_read [2020-09-25 02:49:45,909 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_poll [2020-09-25 02:49:45,909 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_open [2020-09-25 02:49:45,910 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_close [2020-09-25 02:49:45,910 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_calibrate_timer [2020-09-25 02:49:45,911 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_name [2020-09-25 02:49:45,911 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_device [2020-09-25 02:49:45,912 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_masks [2020-09-25 02:49:45,912 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_port [2020-09-25 02:49:45,912 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_connect [2020-09-25 02:49:45,912 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_disconnect [2020-09-25 02:49:45,912 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_parse_options [2020-09-25 02:49:45,912 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init [2020-09-25 02:49:45,913 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_exit [2020-09-25 02:49:45,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_gameport_driver_1 [2020-09-25 02:49:45,913 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 02:49:45,913 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-25 02:49:45,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-09-25 02:49:45,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-25 02:49:45,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-09-25 02:49:45,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-09-25 02:49:45,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-09-25 02:49:45,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-09-25 02:49:45,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-09-25 02:49:45,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_driver [2020-09-25 02:49:45,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2020-09-25 02:49:45,919 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2020-09-25 02:49:45,919 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2020-09-25 02:49:45,919 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_start_polling [2020-09-25 02:49:45,919 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_stop_polling [2020-09-25 02:49:45,919 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_driver [2020-09-25 02:49:45,919 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2020-09-25 02:49:45,920 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-09-25 02:49:45,920 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-09-25 02:49:45,920 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2020-09-25 02:49:45,921 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-09-25 02:49:45,921 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-09-25 02:49:45,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_bind_1 [2020-09-25 02:49:45,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 02:49:45,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 02:49:45,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2020-09-25 02:49:45,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-09-25 02:49:45,922 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-09-25 02:49:45,922 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-25 02:49:45,922 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2020-09-25 02:49:45,922 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2020-09-25 02:49:45,922 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2020-09-25 02:49:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2020-09-25 02:49:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 02:49:45,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-25 02:49:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 02:49:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 02:49:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-09-25 02:49:45,923 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2020-09-25 02:49:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2020-09-25 02:49:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight8 [2020-09-25 02:49:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-25 02:49:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2020-09-25 02:49:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-09-25 02:49:45,924 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-09-25 02:49:45,925 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-09-25 02:49:45,925 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2020-09-25 02:49:45,925 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2020-09-25 02:49:45,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 02:49:45,925 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-09-25 02:49:45,925 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2020-09-25 02:49:45,929 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2020-09-25 02:49:45,929 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2020-09-25 02:49:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-09-25 02:49:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2020-09-25 02:49:45,930 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2020-09-25 02:49:45,931 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-09-25 02:49:45,932 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-09-25 02:49:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 02:49:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-09-25 02:49:45,933 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-25 02:49:45,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-09-25 02:49:45,935 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 02:49:45,935 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 02:49:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 02:49:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-25 02:49:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 02:49:45,948 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 02:49:45,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 02:49:45,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 02:49:45,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-25 02:49:45,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-25 02:49:45,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-25 02:49:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-25 02:49:45,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 02:49:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-25 02:49:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 02:49:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_gameport_driver_1 [2020-09-25 02:49:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2020-09-25 02:49:45,952 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-09-25 02:49:45,953 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-09-25 02:49:45,968 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 02:49:45,968 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 02:49:45,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 02:49:45,969 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-09-25 02:49:45,969 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-09-25 02:49:45,969 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2020-09-25 02:49:45,970 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2020-09-25 02:49:45,970 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-09-25 02:49:45,970 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-09-25 02:49:45,970 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2020-09-25 02:49:45,970 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2020-09-25 02:49:45,971 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2020-09-25 02:49:45,971 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2020-09-25 02:49:45,971 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2020-09-25 02:49:45,971 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2020-09-25 02:49:45,971 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2020-09-25 02:49:45,971 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_drvdata [2020-09-25 02:49:45,972 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drvdata [2020-09-25 02:49:45,972 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_driver [2020-09-25 02:49:45,972 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_driver [2020-09-25 02:49:45,972 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_trigger [2020-09-25 02:49:45,972 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-25 02:49:45,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 02:49:45,972 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2020-09-25 02:49:45,972 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-09-25 02:49:45,973 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_cooked_read [2020-09-25 02:49:45,973 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-09-25 02:49:45,973 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_calibrate [2020-09-25 02:49:45,973 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_time [2020-09-25 02:49:45,973 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_poll_handler [2020-09-25 02:49:45,973 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_poll_interval [2020-09-25 02:49:45,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 02:49:45,974 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_start_polling [2020-09-25 02:49:45,974 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_stop_polling [2020-09-25 02:49:45,974 INFO L130 BoogieDeclarations]: Found specification of procedure analog_decode [2020-09-25 02:49:45,974 INFO L130 BoogieDeclarations]: Found specification of procedure analog_cooked_read [2020-09-25 02:49:45,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 02:49:45,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 02:49:45,975 INFO L130 BoogieDeclarations]: Found specification of procedure analog_button_read [2020-09-25 02:49:45,975 INFO L130 BoogieDeclarations]: Found specification of procedure analog_poll [2020-09-25 02:49:45,975 INFO L130 BoogieDeclarations]: Found specification of procedure analog_open [2020-09-25 02:49:45,975 INFO L130 BoogieDeclarations]: Found specification of procedure analog_close [2020-09-25 02:49:45,975 INFO L130 BoogieDeclarations]: Found specification of procedure analog_calibrate_timer [2020-09-25 02:49:45,975 INFO L130 BoogieDeclarations]: Found specification of procedure analog_name [2020-09-25 02:49:45,975 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_device [2020-09-25 02:49:45,976 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_masks [2020-09-25 02:49:45,976 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_port [2020-09-25 02:49:45,976 INFO L130 BoogieDeclarations]: Found specification of procedure analog_connect [2020-09-25 02:49:45,976 INFO L130 BoogieDeclarations]: Found specification of procedure analog_disconnect [2020-09-25 02:49:45,976 INFO L130 BoogieDeclarations]: Found specification of procedure analog_parse_options [2020-09-25 02:49:45,976 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init [2020-09-25 02:49:45,976 INFO L130 BoogieDeclarations]: Found specification of procedure analog_exit [2020-09-25 02:49:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 02:49:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 02:49:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2020-09-25 02:49:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_bind_1 [2020-09-25 02:49:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 02:49:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-09-25 02:49:45,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-25 02:49:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-09-25 02:49:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-09-25 02:49:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-09-25 02:49:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-09-25 02:49:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 02:49:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 02:49:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 02:49:45,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 02:49:45,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 02:49:46,808 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-25 02:49:49,035 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 02:49:49,035 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 02:49:49,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:49:49 BoogieIcfgContainer [2020-09-25 02:49:49,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 02:49:49,056 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 02:49:49,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 02:49:49,060 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 02:49:49,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:49:43" (1/3) ... [2020-09-25 02:49:49,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b615dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:49:49, skipping insertion in model container [2020-09-25 02:49:49,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:45" (2/3) ... [2020-09-25 02:49:49,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b615dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:49:49, skipping insertion in model container [2020-09-25 02:49:49,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:49:49" (3/3) ... [2020-09-25 02:49:49,065 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2020-09-25 02:49:49,077 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 02:49:49,091 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 02:49:49,110 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 02:49:49,148 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 02:49:49,148 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 02:49:49,148 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 02:49:49,148 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 02:49:49,148 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 02:49:49,148 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 02:49:49,149 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 02:49:49,149 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 02:49:49,206 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states. [2020-09-25 02:49:49,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-09-25 02:49:49,228 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:49:49,229 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] [2020-09-25 02:49:49,230 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:49:49,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:49:49,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1254517513, now seen corresponding path program 1 times [2020-09-25 02:49:49,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:49:49,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2113826700] [2020-09-25 02:49:49,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:49:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:50,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:50,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:51,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:52,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:52,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-09-25 02:49:52,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 02:49:52,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2411 [2020-09-25 02:49:52,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:52,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:49:52,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 241 [2020-09-25 02:49:52,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 02:49:52,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-09-25 02:49:53,003 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-09-25 02:49:53,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:49:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:53,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:53,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:53,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 02:49:53,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:53,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 260 [2020-09-25 02:49:53,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:53,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:53,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:49:53,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:53,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:49:53,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 02:49:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:53,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:53,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:53,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 02:49:53,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:53,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 02:49:53,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:53,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:53,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:49:53,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:53,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:49:53,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-25 02:49:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:49:53,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:49:53,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:49:53,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:49:53,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:49:53,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 02:49:53,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:49:53,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:49:53,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:49:53,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:49:53,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:49:53,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 02:49:53,728 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2113826700] [2020-09-25 02:49:53,731 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:49:53,731 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 02:49:53,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924116157] [2020-09-25 02:49:53,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 02:49:53,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:49:53,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 02:49:53,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 02:49:53,770 INFO L87 Difference]: Start difference. First operand 2037 states. Second operand 5 states. [2020-09-25 02:49:55,361 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-25 02:50:07,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:50:07,373 INFO L93 Difference]: Finished difference Result 3999 states and 4517 transitions. [2020-09-25 02:50:07,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 02:50:07,375 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 260 [2020-09-25 02:50:07,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:50:07,417 INFO L225 Difference]: With dead ends: 3999 [2020-09-25 02:50:07,417 INFO L226 Difference]: Without dead ends: 2155 [2020-09-25 02:50:07,432 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 02:50:07,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2155 states. [2020-09-25 02:50:07,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2155 to 2105. [2020-09-25 02:50:07,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2105 states. [2020-09-25 02:50:07,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 2105 states and 2341 transitions. [2020-09-25 02:50:07,706 INFO L78 Accepts]: Start accepts. Automaton has 2105 states and 2341 transitions. Word has length 260 [2020-09-25 02:50:07,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:50:07,708 INFO L479 AbstractCegarLoop]: Abstraction has 2105 states and 2341 transitions. [2020-09-25 02:50:07,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 02:50:07,708 INFO L276 IsEmpty]: Start isEmpty. Operand 2105 states and 2341 transitions. [2020-09-25 02:50:07,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2020-09-25 02:50:07,716 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:50:07,717 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:50:07,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 02:50:07,718 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:50:07,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:50:07,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1717932618, now seen corresponding path program 1 times [2020-09-25 02:50:07,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:50:07,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [965096859] [2020-09-25 02:50:07,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:50:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:07,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:08,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:09,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:10,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:10,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 362 [2020-09-25 02:50:10,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 02:50:10,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2806 [2020-09-25 02:50:10,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:10,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:50:10,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 273 [2020-09-25 02:50:10,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 02:50:10,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:11,263 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-09-25 02:50:11,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:50:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:11,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:11,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:11,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 02:50:11,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:11,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 413 [2020-09-25 02:50:11,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:11,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:11,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:11,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:11,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:11,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 02:50:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:11,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:11,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:11,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 02:50:11,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:11,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 02:50:11,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:11,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:11,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:11,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:11,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:11,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-25 02:50:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:11,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:11,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:11,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:50:11,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:11,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 02:50:11,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:11,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:11,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:11,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:11,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:50:11,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-25 02:50:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:11,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:11,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:11,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-25 02:50:11,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:11,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-25 02:50:11,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:11,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:50:11,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-25 02:50:11,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 02:50:11,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:50:11,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 02:50:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:11,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:12,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:12,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 02:50:12,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:12,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-25 02:50:12,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:12,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:50:12,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 02:50:12,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 02:50:12,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:12,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 02:50:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:12,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:12,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:12,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:50:12,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:12,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 02:50:12,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:12,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:12,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 02:50:12,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:12,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:50:12,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2020-09-25 02:50:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:12,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:12,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:12,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 02:50:12,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:12,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-25 02:50:12,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:12,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:12,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 02:50:12,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:12,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 02:50:12,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 02:50:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:12,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:12,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:12,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 02:50:12,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:12,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 02:50:12,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:12,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:12,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:12,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:12,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:50:12,335 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-25 02:50:12,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [965096859] [2020-09-25 02:50:12,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:50:12,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 02:50:12,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280698534] [2020-09-25 02:50:12,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 02:50:12,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:50:12,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 02:50:12,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-09-25 02:50:12,342 INFO L87 Difference]: Start difference. First operand 2105 states and 2341 transitions. Second operand 7 states. [2020-09-25 02:50:24,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:50:24,440 INFO L93 Difference]: Finished difference Result 4106 states and 4610 transitions. [2020-09-25 02:50:24,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 02:50:24,441 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 333 [2020-09-25 02:50:24,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:50:24,455 INFO L225 Difference]: With dead ends: 4106 [2020-09-25 02:50:24,456 INFO L226 Difference]: Without dead ends: 2247 [2020-09-25 02:50:24,462 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-09-25 02:50:24,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2247 states. [2020-09-25 02:50:24,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2247 to 2109. [2020-09-25 02:50:24,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2109 states. [2020-09-25 02:50:24,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 2347 transitions. [2020-09-25 02:50:24,615 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 2347 transitions. Word has length 333 [2020-09-25 02:50:24,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:50:24,616 INFO L479 AbstractCegarLoop]: Abstraction has 2109 states and 2347 transitions. [2020-09-25 02:50:24,616 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 02:50:24,617 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2347 transitions. [2020-09-25 02:50:24,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-09-25 02:50:24,623 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:50:24,624 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:50:24,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 02:50:24,624 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:50:24,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:50:24,625 INFO L82 PathProgramCache]: Analyzing trace with hash 324339580, now seen corresponding path program 1 times [2020-09-25 02:50:24,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:50:24,625 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [729951869] [2020-09-25 02:50:24,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:50:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:24,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:25,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:26,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:28,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:28,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 365 [2020-09-25 02:50:28,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 02:50:28,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3393 [2020-09-25 02:50:28,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:28,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 02:50:28,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 273 [2020-09-25 02:50:28,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 02:50:28,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:28,804 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-09-25 02:50:28,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:50:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:28,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:29,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:29,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 02:50:29,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:29,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 314 [2020-09-25 02:50:29,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:29,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:29,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:29,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:29,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:50:29,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 02:50:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:29,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:29,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:29,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 02:50:29,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:29,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 02:50:29,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:29,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:29,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:29,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:29,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:50:29,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-25 02:50:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:29,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:29,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:29,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:50:29,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:29,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 02:50:29,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:29,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:29,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:29,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:29,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:50:29,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-25 02:50:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:29,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:29,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:29,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 02:50:29,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:29,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-25 02:50:29,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:29,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 02:50:29,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-25 02:50:29,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 02:50:29,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:50:29,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 02:50:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:29,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:29,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:29,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 02:50:29,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:29,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-09-25 02:50:29,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:29,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 02:50:29,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 02:50:29,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 02:50:29,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:50:29,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-25 02:50:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:29,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:29,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:29,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 02:50:29,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:29,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-25 02:50:29,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:29,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:29,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 02:50:29,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:29,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:50:29,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2020-09-25 02:50:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:29,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:29,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:29,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 02:50:29,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:29,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 02:50:29,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:29,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:29,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-25 02:50:29,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:29,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:29,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 02:50:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:50:29,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:50:29,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:50:29,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 02:50:29,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:50:29,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 02:50:29,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 02:50:29,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:50:29,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:50:29,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:50:29,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:50:29,987 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-25 02:50:29,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [729951869] [2020-09-25 02:50:29,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 02:50:29,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-25 02:50:29,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798457242] [2020-09-25 02:50:29,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 02:50:29,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:50:29,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 02:50:29,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-25 02:50:29,990 INFO L87 Difference]: Start difference. First operand 2109 states and 2347 transitions. Second operand 8 states.