/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 12:31:20,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 12:31:20,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 12:31:20,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 12:31:20,900 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 12:31:20,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 12:31:20,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 12:31:20,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 12:31:20,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 12:31:20,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 12:31:20,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 12:31:20,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 12:31:20,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 12:31:20,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 12:31:20,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 12:31:20,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 12:31:20,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 12:31:20,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 12:31:20,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 12:31:20,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 12:31:20,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 12:31:20,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 12:31:20,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 12:31:20,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 12:31:20,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 12:31:20,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 12:31:20,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 12:31:20,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 12:31:20,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 12:31:20,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 12:31:20,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 12:31:20,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 12:31:20,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 12:31:20,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 12:31:20,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 12:31:20,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 12:31:20,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 12:31:21,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 12:31:21,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 12:31:21,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 12:31:21,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 12:31:21,011 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-27 12:31:21,063 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 12:31:21,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 12:31:21,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 12:31:21,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 12:31:21,069 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 12:31:21,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 12:31:21,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 12:31:21,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 12:31:21,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 12:31:21,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 12:31:21,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 12:31:21,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 12:31:21,073 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 12:31:21,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 12:31:21,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 12:31:21,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 12:31:21,074 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 12:31:21,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 12:31:21,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 12:31:21,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 12:31:21,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 12:31:21,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 12:31:21,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 12:31:21,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 12:31:21,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 12:31:21,076 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 12:31:21,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-27 12:31:21,076 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 12:31:21,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 12:31:21,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 12:31:21,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 12:31:21,583 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 12:31:21,583 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 12:31:21,584 INFO L432 ainManager$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--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2020-10-27 12:31:21,657 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c11e504ab/c53500e866774073bf8b7773a47f53de/FLAG01dc69b4d [2020-10-27 12:31:22,556 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 12:31:22,556 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--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2020-10-27 12:31:22,587 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c11e504ab/c53500e866774073bf8b7773a47f53de/FLAG01dc69b4d [2020-10-27 12:31:23,072 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c11e504ab/c53500e866774073bf8b7773a47f53de [2020-10-27 12:31:23,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 12:31:23,082 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 12:31:23,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 12:31:23,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 12:31:23,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 12:31:23,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:31:23" (1/1) ... [2020-10-27 12:31:23,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df08b6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:31:23, skipping insertion in model container [2020-10-27 12:31:23,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:31:23" (1/1) ... [2020-10-27 12:31:23,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 12:31:23,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 12:31:24,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 12:31:24,225 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 12:31:24,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 12:31:24,512 INFO L208 MainTranslator]: Completed translation [2020-10-27 12:31:24,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:31:24 WrapperNode [2020-10-27 12:31:24,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 12:31:24,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 12:31:24,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 12:31:24,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 12:31:24,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:31:24" (1/1) ... [2020-10-27 12:31:24,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:31:24" (1/1) ... [2020-10-27 12:31:24,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:31:24" (1/1) ... [2020-10-27 12:31:24,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:31:24" (1/1) ... [2020-10-27 12:31:24,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:31:24" (1/1) ... [2020-10-27 12:31:24,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:31:24" (1/1) ... [2020-10-27 12:31:24,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:31:24" (1/1) ... [2020-10-27 12:31:24,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 12:31:24,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 12:31:24,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 12:31:24,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 12:31:24,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:31:24" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 12:31:24,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 12:31:24,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 12:31:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2020-10-27 12:31:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 12:31:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-27 12:31:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-27 12:31:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2020-10-27 12:31:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-27 12:31:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-27 12:31:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-10-27 12:31:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-10-27 12:31:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2020-10-27 12:31:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 12:31:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 12:31:24,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-27 12:31:24,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-10-27 12:31:24,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-10-27 12:31:24,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-27 12:31:24,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-27 12:31:24,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-27 12:31:24,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-27 12:31:24,736 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-27 12:31:24,736 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_select_wdt_out [2020-10-27 12:31:24,736 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_swc [2020-10-27 12:31:24,736 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_get_swc_base_addr [2020-10-27 12:31:24,737 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_swc_bank3 [2020-10-27 12:31:24,737 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_programm_wdto [2020-10-27 12:31:24,737 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_wden [2020-10-27 12:31:24,737 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_sw_wd_tren [2020-10-27 12:31:24,737 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable_sw_wd_tren [2020-10-27 12:31:24,737 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_sw_wd_trg [2020-10-27 12:31:24,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable_sw_wd_trg [2020-10-27 12:31:24,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable [2020-10-27 12:31:24,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable [2020-10-27 12:31:24,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_refresh [2020-10-27 12:31:24,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_open [2020-10-27 12:31:24,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_release [2020-10-27 12:31:24,739 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_status [2020-10-27 12:31:24,739 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_write [2020-10-27 12:31:24,739 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_ioctl [2020-10-27 12:31:24,739 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_notify_sys [2020-10-27 12:31:24,739 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_init [2020-10-27 12:31:24,739 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_exit [2020-10-27 12:31:24,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2020-10-27 12:31:24,740 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 12:31:24,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_5 [2020-10-27 12:31:24,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonseekable_open_6 [2020-10-27 12:31:24,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_register_7 [2020-10-27 12:31:24,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_8 [2020-10-27 12:31:24,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_misc_deregister_9 [2020-10-27 12:31:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-27 12:31:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-27 12:31:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-27 12:31:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-27 12:31:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-27 12:31:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2020-10-27 12:31:24,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2020-10-27 12:31:24,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2020-10-27 12:31:24,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2020-10-27 12:31:24,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2020-10-27 12:31:24,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-27 12:31:24,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2020-10-27 12:31:24,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2020-10-27 12:31:24,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2020-10-27 12:31:24,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2020-10-27 12:31:24,748 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-27 12:31:24,748 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-27 12:31:24,749 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-27 12:31:24,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-27 12:31:24,749 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2020-10-27 12:31:24,749 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2020-10-27 12:31:24,749 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2020-10-27 12:31:24,750 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-27 12:31:24,750 INFO L138 BoogieDeclarations]: Found implementation of procedure register_reboot_notifier [2020-10-27 12:31:24,751 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2020-10-27 12:31:24,751 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-27 12:31:24,752 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-27 12:31:24,752 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-27 12:31:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 12:31:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 12:31:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 12:31:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 12:31:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 12:31:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 12:31:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-27 12:31:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-27 12:31:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-27 12:31:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-27 12:31:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2020-10-27 12:31:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-27 12:31:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2020-10-27 12:31:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2020-10-27 12:31:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 12:31:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-27 12:31:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-27 12:31:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-27 12:31:24,756 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-27 12:31:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2020-10-27 12:31:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2020-10-27 12:31:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-10-27 12:31:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-10-27 12:31:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2020-10-27 12:31:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_5 [2020-10-27 12:31:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2020-10-27 12:31:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 12:31:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 12:31:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 12:31:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 12:31:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 12:31:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 12:31:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 12:31:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-27 12:31:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-27 12:31:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-10-27 12:31:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-10-27 12:31:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-27 12:31:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-27 12:31:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-27 12:31:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-27 12:31:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2020-10-27 12:31:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2020-10-27 12:31:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_register_7 [2020-10-27 12:31:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2020-10-27 12:31:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_8 [2020-10-27 12:31:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_misc_deregister_9 [2020-10-27 12:31:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2020-10-27 12:31:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonseekable_open_6 [2020-10-27 12:31:24,762 INFO L130 BoogieDeclarations]: Found specification of procedure register_reboot_notifier [2020-10-27 12:31:24,762 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2020-10-27 12:31:24,762 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-27 12:31:24,762 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2020-10-27 12:31:24,763 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-27 12:31:24,764 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_select_wdt_out [2020-10-27 12:31:24,765 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_swc [2020-10-27 12:31:24,768 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_get_swc_base_addr [2020-10-27 12:31:24,768 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_swc_bank3 [2020-10-27 12:31:24,768 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_programm_wdto [2020-10-27 12:31:24,768 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_wden [2020-10-27 12:31:24,768 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_sw_wd_tren [2020-10-27 12:31:24,769 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable_sw_wd_tren [2020-10-27 12:31:24,769 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_sw_wd_trg [2020-10-27 12:31:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable_sw_wd_trg [2020-10-27 12:31:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable [2020-10-27 12:31:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable [2020-10-27 12:31:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_refresh [2020-10-27 12:31:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_open [2020-10-27 12:31:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_release [2020-10-27 12:31:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_status [2020-10-27 12:31:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_write [2020-10-27 12:31:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_ioctl [2020-10-27 12:31:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 12:31:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 12:31:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 12:31:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_notify_sys [2020-10-27 12:31:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_init [2020-10-27 12:31:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_exit [2020-10-27 12:31:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-27 12:31:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-27 12:31:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 12:31:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 12:31:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-27 12:31:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-27 12:31:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-27 12:31:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-27 12:31:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-27 12:31:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2020-10-27 12:31:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2020-10-27 12:31:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2020-10-27 12:31:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2020-10-27 12:31:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-27 12:31:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 12:31:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-27 12:31:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 12:31:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 12:31:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 12:31:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 12:31:25,375 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-27 12:31:26,454 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2020-10-27 12:31:28,011 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 12:31:28,012 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 12:31:28,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:31:28 BoogieIcfgContainer [2020-10-27 12:31:28,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 12:31:28,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 12:31:28,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 12:31:28,025 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 12:31:28,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:31:23" (1/3) ... [2020-10-27 12:31:28,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c276187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:31:28, skipping insertion in model container [2020-10-27 12:31:28,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:31:24" (2/3) ... [2020-10-27 12:31:28,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c276187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:31:28, skipping insertion in model container [2020-10-27 12:31:28,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:31:28" (3/3) ... [2020-10-27 12:31:28,030 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2020-10-27 12:31:28,047 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 12:31:28,054 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 12:31:28,069 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 12:31:28,116 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 12:31:28,116 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 12:31:28,116 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 12:31:28,116 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 12:31:28,116 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 12:31:28,117 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 12:31:28,117 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 12:31:28,117 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 12:31:28,164 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states. [2020-10-27 12:31:28,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-27 12:31:28,189 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 12:31:28,190 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 12:31:28,191 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 12:31:28,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 12:31:28,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1039782172, now seen corresponding path program 1 times [2020-10-27 12:31:28,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 12:31:28,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [183556034] [2020-10-27 12:31:28,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 12:31:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:29,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:29,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:29,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:30,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:31,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:33,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:33,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:33,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-27 12:31:33,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 12:31:33,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 12:31:33,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:33,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 12:31:33,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-27 12:31:33,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 12:31:33,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 12:31:34,374 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-27 12:31:34,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 12:31:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:34,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:34,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:34,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:31:34,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:31:34,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-27 12:31:34,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:34,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:31:34,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:31:34,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:31:34,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:31:34,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:31:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:34,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:34,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:34,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 12:31:34,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:31:34,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 12:31:34,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:34,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:31:34,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:31:34,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:31:34,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:31:34,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:31:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:34,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:34,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:34,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:31:34,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:31:34,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 12:31:34,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:34,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:31:34,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:31:34,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:31:34,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-27 12:31:34,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:31:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:34,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:34,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:34,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:31:34,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:31:34,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 12:31:34,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:34,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:31:34,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:31:34,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:31:34,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 12:31:34,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 12:31:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:34,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:34,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:34,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 12:31:34,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:31:34,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 12:31:34,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:34,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:31:34,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:31:34,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:31:34,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:31:34,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:31:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:34,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:34,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:34,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:31:34,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:31:34,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 12:31:34,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:34,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:31:34,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:31:34,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:31:34,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:31:34,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:31:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:34,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:34,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:34,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:31:34,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:31:34,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 12:31:34,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:34,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:31:34,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:31:34,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:31:34,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:31:34,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 12:31:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:34,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:34,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:34,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 12:31:34,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:31:34,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 12:31:34,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:34,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:31:34,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:31:34,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:31:34,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:31:34,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:31:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:34,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:34,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:34,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:31:34,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:31:34,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 12:31:34,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:34,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:31:34,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:31:34,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:31:34,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:31:34,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:31:34,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:34,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:34,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:34,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:31:34,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:31:34,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 12:31:34,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:34,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:31:34,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:31:34,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:31:34,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:31:34,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 12:31:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:34,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:34,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:34,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 12:31:34,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:31:34,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 12:31:34,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:34,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:31:34,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:31:34,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:31:34,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:31:34,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:31:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:34,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:34,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:34,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:31:34,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:31:34,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 12:31:34,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:34,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:31:34,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:31:34,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:31:34,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:31:34,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:31:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:34,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:34,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:34,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:31:34,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:31:34,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 12:31:34,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:34,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:31:34,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:31:34,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:31:34,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:31:34,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 12:31:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:34,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:34,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:34,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 12:31:34,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:31:34,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:31:34,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:34,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:31:34,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:31:34,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:31:34,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:31:34,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 12:31:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:34,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:35,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:35,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 12:31:35,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:31:35,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-27 12:31:35,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:35,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 12:31:35,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:31:35,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 12:31:35,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:31:35,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:31:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:35,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:35,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:35,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:31:35,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:31:35,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 12:31:35,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:35,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 12:31:35,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:31:35,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 12:31:35,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:31:35,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 12:31:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:35,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:35,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:35,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:35,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 12:31:35,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 12:31:35,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 12:31:35,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:35,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 12:31:35,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:31:35,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 12:31:35,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:31:35,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:31:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:35,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:35,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:35,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:31:35,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:31:35,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 12:31:35,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:35,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 12:31:35,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:31:35,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 12:31:35,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:31:35,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 12:31:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:35,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:35,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:35,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:35,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 12:31:35,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 12:31:35,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-27 12:31:35,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:35,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 12:31:35,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:31:35,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 12:31:35,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:31:35,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:31:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:35,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:35,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:35,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:31:35,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:31:35,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 12:31:35,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:35,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 12:31:35,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:31:35,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 12:31:35,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:31:35,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 12:31:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:35,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:35,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:35,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:35,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 12:31:35,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 12:31:35,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-27 12:31:35,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:35,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 12:31:35,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:31:35,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 12:31:35,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:31:35,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:31:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:35,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:35,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:35,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:31:35,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:31:35,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 12:31:35,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:35,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 12:31:35,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:31:35,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 12:31:35,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:31:35,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 12:31:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:35,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:35,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:35,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:35,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 12:31:35,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 12:31:35,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 12:31:35,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:35,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 12:31:35,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:31:35,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 12:31:35,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:31:35,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:31:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:35,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:35,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:35,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:31:35,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:31:35,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 12:31:35,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:35,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 12:31:35,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:31:35,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 12:31:35,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 12:31:35,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 12:31:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:36,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:36,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:36,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:36,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 12:31:36,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 12:31:36,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-27 12:31:36,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:36,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 12:31:36,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:31:36,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 12:31:36,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 12:31:36,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:31:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:36,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:36,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:36,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:31:36,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:31:36,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 12:31:36,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:36,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 12:31:36,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:31:36,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 12:31:36,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 12:31:36,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-27 12:31:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:36,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:36,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:36,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 12:31:36,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:31:36,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 12:31:36,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:36,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:31:36,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 12:31:36,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:31:36,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 12:31:36,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:31:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:36,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:36,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:36,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 12:31:36,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:31:36,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 12:31:36,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:36,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:31:36,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:31:36,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:31:36,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 12:31:36,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:31:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:36,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:36,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:36,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:31:36,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:31:36,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 12:31:36,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:36,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:31:36,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:31:36,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:31:36,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 12:31:36,517 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2020-10-27 12:31:36,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [183556034] [2020-10-27 12:31:36,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 12:31:36,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 12:31:36,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668150685] [2020-10-27 12:31:36,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 12:31:36,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 12:31:36,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 12:31:36,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2020-10-27 12:31:36,556 INFO L87 Difference]: Start difference. First operand 502 states. Second operand 16 states. [2020-10-27 12:31:37,113 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-27 12:31:38,478 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-10-27 12:31:39,515 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 266 DAG size of output: 247 [2020-10-27 12:31:40,039 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-10-27 12:31:40,616 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2020-10-27 12:31:41,777 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 268 DAG size of output: 249 [2020-10-27 12:31:42,811 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 238 [2020-10-27 12:31:43,428 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-10-27 12:31:44,518 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 266 DAG size of output: 247 [2020-10-27 12:31:45,620 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 238 [2020-10-27 12:31:54,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 12:31:54,255 INFO L93 Difference]: Finished difference Result 1015 states and 1351 transitions. [2020-10-27 12:31:54,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 12:31:54,258 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 171 [2020-10-27 12:31:54,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 12:31:54,279 INFO L225 Difference]: With dead ends: 1015 [2020-10-27 12:31:54,279 INFO L226 Difference]: Without dead ends: 512 [2020-10-27 12:31:54,289 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 57 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=185, Invalid=571, Unknown=0, NotChecked=0, Total=756 [2020-10-27 12:31:54,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2020-10-27 12:31:54,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 483. [2020-10-27 12:31:54,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2020-10-27 12:31:54,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 625 transitions. [2020-10-27 12:31:54,503 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 625 transitions. Word has length 171 [2020-10-27 12:31:54,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 12:31:54,504 INFO L481 AbstractCegarLoop]: Abstraction has 483 states and 625 transitions. [2020-10-27 12:31:54,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 12:31:54,504 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 625 transitions. [2020-10-27 12:31:54,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-27 12:31:54,510 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 12:31:54,511 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 12:31:54,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 12:31:54,511 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 12:31:54,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 12:31:54,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1867615764, now seen corresponding path program 1 times [2020-10-27 12:31:54,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 12:31:54,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1423115051] [2020-10-27 12:31:54,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 12:31:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:31:54,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:54,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:55,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:55,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:56,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:58,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:31:59,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:31:59,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-27 12:31:59,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 12:31:59,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5091 [2020-10-27 12:31:59,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:31:59,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 12:31:59,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-27 12:31:59,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 12:31:59,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 12:32:00,200 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-27 12:32:00,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 12:32:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:00,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:00,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:00,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:32:00,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:00,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 12:32:00,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:00,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:00,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:00,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:00,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:00,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:32:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:00,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:00,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:00,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 12:32:00,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:00,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 12:32:00,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:00,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:00,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:00,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:00,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:00,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:32:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:00,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:00,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:00,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:32:00,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:00,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 12:32:00,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:00,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:00,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:00,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:00,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:00,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:32:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:00,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:00,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:00,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:32:00,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:00,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 12:32:00,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:00,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:00,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:00,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:00,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:00,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 12:32:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:00,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:00,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:00,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 12:32:00,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:00,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 12:32:00,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:00,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:00,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:00,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:00,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:00,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:32:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:00,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:00,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:00,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:32:00,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:00,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 12:32:00,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:00,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:00,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:00,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:00,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:00,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:32:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:00,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:00,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:00,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:32:00,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:00,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 12:32:00,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:00,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:00,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:00,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:00,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:00,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 12:32:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:00,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:00,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:00,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 12:32:00,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:00,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 12:32:00,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:00,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:00,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:00,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:00,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:00,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:32:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:00,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:00,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:00,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:32:00,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:00,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 12:32:00,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:00,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:00,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:00,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:00,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:00,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:32:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:00,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:00,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:00,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:32:00,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:00,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 12:32:00,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:00,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:00,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:00,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:00,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:00,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 12:32:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:00,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:00,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:00,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 12:32:00,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:00,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 12:32:00,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:00,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:00,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:00,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:00,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:00,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:32:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:00,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:00,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:00,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:32:00,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:00,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 12:32:00,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:00,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:00,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:00,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:00,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:00,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:32:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:00,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:00,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:00,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:32:00,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:00,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:32:00,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:00,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:00,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:00,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:00,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:00,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 12:32:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:00,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:00,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:00,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 12:32:00,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:00,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:32:00,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:00,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:00,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:00,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:00,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:00,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 12:32:00,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:00,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:00,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:00,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 12:32:00,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:00,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-27 12:32:00,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:00,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 12:32:00,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:32:00,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 12:32:00,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:00,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:32:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:00,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:00,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:00,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 12:32:00,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:00,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 12:32:00,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:00,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 12:32:00,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:00,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 12:32:00,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:00,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 12:32:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:00,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:00,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:00,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:00,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 12:32:00,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 12:32:00,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-27 12:32:00,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:00,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 12:32:00,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:32:00,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 12:32:00,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:01,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:32:01,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:01,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:01,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:01,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 12:32:01,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:01,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-27 12:32:01,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:01,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 12:32:01,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:01,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 12:32:01,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:01,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 12:32:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:01,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:01,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:01,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:01,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 12:32:01,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 12:32:01,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-27 12:32:01,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:01,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 12:32:01,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:32:01,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 12:32:01,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:01,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:32:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:01,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:01,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:01,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 12:32:01,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:01,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 12:32:01,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:01,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 12:32:01,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:01,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 12:32:01,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:01,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 12:32:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:01,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:01,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:01,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:01,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 12:32:01,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 12:32:01,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-27 12:32:01,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:01,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 12:32:01,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:32:01,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 12:32:01,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:01,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:32:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:01,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:01,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:01,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 12:32:01,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:01,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-27 12:32:01,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:01,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 12:32:01,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:01,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 12:32:01,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:01,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 12:32:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:01,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:01,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:01,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:01,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 12:32:01,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 12:32:01,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-27 12:32:01,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:01,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 12:32:01,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:32:01,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 12:32:01,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:01,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:32:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:01,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:01,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:01,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 12:32:01,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:01,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 12:32:01,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:01,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 12:32:01,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:01,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 12:32:01,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 12:32:01,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 12:32:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:01,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:01,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:01,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:01,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 12:32:01,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 12:32:01,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-27 12:32:01,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:01,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 12:32:01,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:32:01,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 12:32:01,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:01,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:32:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:01,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:01,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:01,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 12:32:01,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:01,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 12:32:01,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:01,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 12:32:01,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:01,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 12:32:01,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 12:32:02,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-27 12:32:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:02,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:02,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:02,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 12:32:02,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:02,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 12:32:02,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:02,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:02,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 12:32:02,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:02,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:02,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:32:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:02,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:02,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:02,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 12:32:02,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:02,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 12:32:02,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:02,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:02,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:02,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:02,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:02,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:32:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:02,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:02,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:02,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:32:02,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:02,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 12:32:02,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:02,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:02,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:02,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:02,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:02,197 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 21 proven. 65 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2020-10-27 12:32:02,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1423115051] [2020-10-27 12:32:02,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 12:32:02,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 12:32:02,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569895076] [2020-10-27 12:32:02,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 12:32:02,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 12:32:02,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 12:32:02,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-10-27 12:32:02,201 INFO L87 Difference]: Start difference. First operand 483 states and 625 transitions. Second operand 18 states. [2020-10-27 12:32:02,665 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-27 12:32:03,952 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-10-27 12:32:05,051 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 261 DAG size of output: 247 [2020-10-27 12:32:05,629 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-10-27 12:32:06,164 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-27 12:32:06,724 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-27 12:32:07,822 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 255 DAG size of output: 240 [2020-10-27 12:32:08,861 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 238 [2020-10-27 12:32:09,526 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-10-27 12:32:10,540 WARN L193 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 247 [2020-10-27 12:32:11,615 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 238 [2020-10-27 12:32:42,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 12:32:42,298 INFO L93 Difference]: Finished difference Result 986 states and 1280 transitions. [2020-10-27 12:32:42,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 12:32:42,299 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 177 [2020-10-27 12:32:42,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 12:32:42,305 INFO L225 Difference]: With dead ends: 986 [2020-10-27 12:32:42,306 INFO L226 Difference]: Without dead ends: 513 [2020-10-27 12:32:42,309 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=180, Invalid=750, Unknown=0, NotChecked=0, Total=930 [2020-10-27 12:32:42,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2020-10-27 12:32:42,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 484. [2020-10-27 12:32:42,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2020-10-27 12:32:42,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 626 transitions. [2020-10-27 12:32:42,456 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 626 transitions. Word has length 177 [2020-10-27 12:32:42,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 12:32:42,457 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 626 transitions. [2020-10-27 12:32:42,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 12:32:42,457 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 626 transitions. [2020-10-27 12:32:42,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-27 12:32:42,461 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 12:32:42,462 INFO L422 BasicCegarLoop]: trace histogram [12, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 12:32:42,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 12:32:42,462 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 12:32:42,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 12:32:42,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1845683236, now seen corresponding path program 2 times [2020-10-27 12:32:42,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 12:32:42,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [602442061] [2020-10-27 12:32:42,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 12:32:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:42,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:42,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:42,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:43,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:44,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:47,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:47,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-27 12:32:47,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 12:32:47,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5059 [2020-10-27 12:32:47,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:47,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 12:32:47,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-27 12:32:47,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 12:32:47,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:48,063 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-27 12:32:48,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 12:32:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:48,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:48,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:48,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:32:48,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:48,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-27 12:32:48,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:48,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:48,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:48,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:48,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:48,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:32:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:48,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:48,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:48,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 12:32:48,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:48,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 12:32:48,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:48,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:48,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:48,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:48,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:48,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:32:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:48,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:48,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:48,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:32:48,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:48,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 12:32:48,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:48,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:48,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:48,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:48,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:48,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:32:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:48,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:48,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:48,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:32:48,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:48,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:32:48,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:48,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:48,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:48,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:48,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:48,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 12:32:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:48,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:48,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:48,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 12:32:48,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:48,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 12:32:48,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:48,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:48,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:48,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:48,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:48,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:32:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:48,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:48,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:48,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:32:48,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:48,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:32:48,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:48,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:48,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:48,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:48,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:48,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:32:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:48,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:48,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:48,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:32:48,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:48,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:32:48,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:48,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:48,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:48,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:48,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:48,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 12:32:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:48,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:48,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:48,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 12:32:48,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:48,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 12:32:48,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:48,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:48,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:48,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:48,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:48,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:32:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:48,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:48,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:48,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:32:48,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:48,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:32:48,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:48,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:48,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:48,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:48,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:48,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:32:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:48,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:48,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:48,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:32:48,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:48,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:32:48,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:48,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:48,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:48,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:48,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:48,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 12:32:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:48,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:48,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:48,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 12:32:48,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:48,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 12:32:48,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:48,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:48,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:48,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:48,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:48,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:32:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:48,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:48,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:48,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:32:48,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:48,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:32:48,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:48,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:48,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:48,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:48,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:48,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:32:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:48,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:48,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:48,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:32:48,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:48,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:32:48,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:48,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:48,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:48,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:48,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:48,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 12:32:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:48,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:48,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:48,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 12:32:48,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:48,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 12:32:48,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:48,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:48,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:48,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:48,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:48,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 12:32:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:48,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:48,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:48,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 12:32:48,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:48,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-27 12:32:48,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:48,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 12:32:48,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:32:48,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 12:32:48,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:48,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:32:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:48,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:48,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:48,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 12:32:48,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:48,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 12:32:48,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:48,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 12:32:48,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:48,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 12:32:48,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:48,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 12:32:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:48,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:48,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:48,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:48,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 12:32:48,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 12:32:48,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-27 12:32:48,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:48,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 12:32:48,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:32:48,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 12:32:48,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:48,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:32:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:48,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:49,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:49,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 12:32:49,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:49,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-27 12:32:49,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:49,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 12:32:49,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:49,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 12:32:49,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:49,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 12:32:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:49,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:49,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:49,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:49,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 12:32:49,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 12:32:49,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 12:32:49,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:49,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 12:32:49,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:32:49,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 12:32:49,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:49,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:32:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:49,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:49,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:49,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 12:32:49,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:49,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-27 12:32:49,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:49,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 12:32:49,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:49,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 12:32:49,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:49,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 12:32:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:49,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:49,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:49,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:49,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 12:32:49,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 12:32:49,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 12:32:49,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:49,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 12:32:49,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:32:49,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 12:32:49,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:49,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:32:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:49,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:49,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:49,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 12:32:49,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:49,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 12:32:49,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:49,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 12:32:49,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:49,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 12:32:49,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:49,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 12:32:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:49,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:49,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:49,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:49,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 12:32:49,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 12:32:49,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-27 12:32:49,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:49,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 12:32:49,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:32:49,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 12:32:49,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:49,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:32:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:49,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:49,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:49,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 12:32:49,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:49,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-27 12:32:49,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:49,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 12:32:49,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:49,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 12:32:49,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:49,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 12:32:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:49,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:49,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:50,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:50,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 12:32:50,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 12:32:50,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-27 12:32:50,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:50,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 12:32:50,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:32:50,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 12:32:50,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:50,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:32:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:50,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:50,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:50,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 12:32:50,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:50,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 12:32:50,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:50,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 12:32:50,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:50,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 12:32:50,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 12:32:50,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-27 12:32:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:50,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:50,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:50,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 12:32:50,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:50,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 12:32:50,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:50,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:50,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 12:32:50,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:50,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:50,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:32:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:50,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:50,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:50,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 12:32:50,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:50,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 12:32:50,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:50,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:50,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:50,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:50,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:50,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:32:50,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:32:50,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:32:50,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:32:50,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:32:50,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:32:50,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 12:32:50,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:32:50,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:32:50,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:32:50,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:32:50,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:32:50,431 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 52 proven. 135 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2020-10-27 12:32:50,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [602442061] [2020-10-27 12:32:50,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 12:32:50,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-27 12:32:50,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42834488] [2020-10-27 12:32:50,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-27 12:32:50,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 12:32:50,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-27 12:32:50,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=480, Unknown=0, NotChecked=0, Total=552 [2020-10-27 12:32:50,434 INFO L87 Difference]: Start difference. First operand 484 states and 626 transitions. Second operand 24 states. [2020-10-27 12:32:50,937 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-27 12:32:52,909 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 261 DAG size of output: 246 [2020-10-27 12:32:53,458 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-10-27 12:32:53,990 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-27 12:32:54,538 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-27 12:32:55,117 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-27 12:32:56,246 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 257 DAG size of output: 242 [2020-10-27 12:32:57,299 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 237 [2020-10-27 12:32:57,931 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-10-27 12:32:59,084 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 263 DAG size of output: 249 [2020-10-27 12:33:00,312 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 254 DAG size of output: 240 [2020-10-27 12:33:10,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 12:33:10,176 INFO L93 Difference]: Finished difference Result 988 states and 1282 transitions. [2020-10-27 12:33:10,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 12:33:10,177 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 183 [2020-10-27 12:33:10,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 12:33:10,182 INFO L225 Difference]: With dead ends: 988 [2020-10-27 12:33:10,183 INFO L226 Difference]: Without dead ends: 514 [2020-10-27 12:33:10,185 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 60 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=209, Invalid=1123, Unknown=0, NotChecked=0, Total=1332 [2020-10-27 12:33:10,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2020-10-27 12:33:10,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 485. [2020-10-27 12:33:10,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 485 states. [2020-10-27 12:33:10,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 627 transitions. [2020-10-27 12:33:10,283 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 627 transitions. Word has length 183 [2020-10-27 12:33:10,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 12:33:10,284 INFO L481 AbstractCegarLoop]: Abstraction has 485 states and 627 transitions. [2020-10-27 12:33:10,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-27 12:33:10,284 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 627 transitions. [2020-10-27 12:33:10,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-27 12:33:10,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 12:33:10,288 INFO L422 BasicCegarLoop]: trace histogram [18, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 12:33:10,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 12:33:10,288 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 12:33:10,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 12:33:10,289 INFO L82 PathProgramCache]: Analyzing trace with hash -332112044, now seen corresponding path program 3 times [2020-10-27 12:33:10,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 12:33:10,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1284687133] [2020-10-27 12:33:10,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 12:33:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:10,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:10,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:10,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:10,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:12,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:15,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:15,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 257 [2020-10-27 12:33:15,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 12:33:15,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-10-27 12:33:15,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:15,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 12:33:15,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-27 12:33:15,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 12:33:15,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:15,993 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-27 12:33:15,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 12:33:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:16,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:16,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:16,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:33:16,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:16,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 12:33:16,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:16,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:16,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:16,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:16,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:16,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:33:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:16,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:16,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:16,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 12:33:16,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:16,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 12:33:16,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:16,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:16,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:16,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:16,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:16,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:33:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:16,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:16,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:16,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:33:16,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:16,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:33:16,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:16,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:16,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:16,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:16,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:16,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:33:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:16,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:16,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:16,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:33:16,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:16,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 12:33:16,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:16,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:16,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:16,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:16,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:16,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 12:33:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:16,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:16,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:16,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 12:33:16,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:16,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 12:33:16,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:16,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:16,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:16,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:16,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:16,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:33:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:16,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:16,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:16,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:33:16,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:16,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:33:16,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:16,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:16,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:16,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:16,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:16,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:33:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:16,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:16,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:16,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:33:16,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:16,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:33:16,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:16,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:16,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:16,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:16,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:16,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 12:33:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:16,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:16,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:16,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 12:33:16,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:16,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 12:33:16,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:16,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:16,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:16,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:33:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:16,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:16,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:16,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:33:16,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:16,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:33:16,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:16,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:16,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:16,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:16,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:16,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:33:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:16,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:16,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:16,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:33:16,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:16,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:33:16,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:16,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:16,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:16,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:16,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:16,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 12:33:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:16,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:16,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:16,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 12:33:16,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:16,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 12:33:16,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:16,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:16,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:16,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:16,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:16,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:33:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:16,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:16,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:16,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:33:16,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:16,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:33:16,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:16,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:16,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:16,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:16,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:16,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:33:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:16,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:16,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:16,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:33:16,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:16,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:33:16,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:16,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:16,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:16,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:16,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:16,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 12:33:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:16,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:16,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:16,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 12:33:16,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:16,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:33:16,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:16,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:16,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:16,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:16,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:16,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 12:33:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:16,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:16,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:16,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 12:33:16,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:16,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-27 12:33:16,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:16,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 12:33:16,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:33:16,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 12:33:16,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:16,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:33:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:16,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:16,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:16,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 12:33:16,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:16,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-27 12:33:16,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:16,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 12:33:16,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:16,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 12:33:16,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:16,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 12:33:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:16,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:16,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:16,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:16,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 12:33:16,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 12:33:16,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-27 12:33:16,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:16,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 12:33:16,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:33:16,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 12:33:16,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:16,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:33:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:16,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:16,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:16,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 12:33:16,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:16,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-27 12:33:16,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:16,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 12:33:16,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:16,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 12:33:16,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:16,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 12:33:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:16,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:16,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:17,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:17,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 12:33:17,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 12:33:17,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-27 12:33:17,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:17,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 12:33:17,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:33:17,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 12:33:17,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:17,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:33:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:17,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:17,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:17,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 12:33:17,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:17,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-27 12:33:17,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:17,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 12:33:17,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:17,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 12:33:17,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:17,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 12:33:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:17,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:17,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:17,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:17,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 12:33:17,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 12:33:17,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 12:33:17,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:17,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 12:33:17,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:33:17,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 12:33:17,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:17,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:33:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:17,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:17,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:17,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 12:33:17,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:17,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 12:33:17,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 12:33:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 12:33:17,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:17,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 12:33:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:17,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:17,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:17,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:17,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 12:33:17,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 12:33:17,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-27 12:33:17,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:17,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 12:33:17,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:33:17,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 12:33:17,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:17,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:33:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:17,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:17,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:17,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 12:33:17,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:17,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 12:33:17,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:17,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 12:33:17,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:17,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 12:33:17,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:17,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 12:33:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:17,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:17,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:17,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:17,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 12:33:17,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 12:33:17,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-27 12:33:17,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:17,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 12:33:17,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:33:17,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 12:33:17,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:17,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:33:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:17,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:18,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:18,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 12:33:18,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:18,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-27 12:33:18,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:18,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 12:33:18,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:18,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 12:33:18,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:18,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-27 12:33:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:18,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:18,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:18,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 12:33:18,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:18,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 12:33:18,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:18,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:18,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 12:33:18,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:18,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:18,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:33:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:18,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:18,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:18,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 12:33:18,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:18,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 12:33:18,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:18,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:18,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:18,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:18,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:18,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:33:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:18,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:18,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:18,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:33:18,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:18,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:33:18,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:18,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:18,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:18,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:18,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:18,301 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 37 proven. 244 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2020-10-27 12:33:18,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1284687133] [2020-10-27 12:33:18,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 12:33:18,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-27 12:33:18,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304214618] [2020-10-27 12:33:18,302 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-27 12:33:18,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 12:33:18,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-27 12:33:18,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=477, Unknown=0, NotChecked=0, Total=552 [2020-10-27 12:33:18,304 INFO L87 Difference]: Start difference. First operand 485 states and 627 transitions. Second operand 24 states. [2020-10-27 12:33:18,830 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-27 12:33:21,240 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 256 DAG size of output: 248 [2020-10-27 12:33:21,837 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-10-27 12:33:22,382 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-27 12:33:22,965 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-10-27 12:33:23,494 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-27 12:33:24,063 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-27 12:33:25,221 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-10-27 12:33:26,287 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-10-27 12:33:26,981 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-10-27 12:33:28,133 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 258 DAG size of output: 250 [2020-10-27 12:33:29,299 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-10-27 12:33:39,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 12:33:39,695 INFO L93 Difference]: Finished difference Result 990 states and 1284 transitions. [2020-10-27 12:33:39,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 12:33:39,696 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 189 [2020-10-27 12:33:39,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 12:33:39,700 INFO L225 Difference]: With dead ends: 990 [2020-10-27 12:33:39,700 INFO L226 Difference]: Without dead ends: 515 [2020-10-27 12:33:39,705 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 63 SyntacticMatches, 6 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=215, Invalid=1191, Unknown=0, NotChecked=0, Total=1406 [2020-10-27 12:33:39,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2020-10-27 12:33:39,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 486. [2020-10-27 12:33:39,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2020-10-27 12:33:39,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 628 transitions. [2020-10-27 12:33:39,803 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 628 transitions. Word has length 189 [2020-10-27 12:33:39,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 12:33:39,803 INFO L481 AbstractCegarLoop]: Abstraction has 486 states and 628 transitions. [2020-10-27 12:33:39,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-27 12:33:39,804 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 628 transitions. [2020-10-27 12:33:39,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-27 12:33:39,807 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 12:33:39,807 INFO L422 BasicCegarLoop]: trace histogram [24, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 12:33:39,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 12:33:39,808 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 12:33:39,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 12:33:39,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1505638756, now seen corresponding path program 4 times [2020-10-27 12:33:39,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 12:33:39,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1831948529] [2020-10-27 12:33:39,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 12:33:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:39,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:40,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:40,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:40,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:44,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:44,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-27 12:33:44,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 12:33:44,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-27 12:33:44,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:44,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 12:33:44,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-27 12:33:44,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 12:33:44,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:45,449 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-27 12:33:45,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 12:33:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:45,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:45,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:45,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:33:45,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:45,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 12:33:45,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:45,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:45,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:45,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:45,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:45,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:33:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:45,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:45,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:45,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 12:33:45,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:45,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 12:33:45,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:45,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:45,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:45,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:45,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:45,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:33:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:45,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:45,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:45,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:33:45,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:45,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:33:45,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:45,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:45,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:45,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:45,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:45,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:33:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:45,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:45,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:45,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:33:45,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:45,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:33:45,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:45,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:45,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:45,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:45,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:45,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 12:33:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:45,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:45,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:45,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 12:33:45,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:45,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 12:33:45,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:45,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:45,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:45,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:45,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:45,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:33:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:45,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:45,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:45,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:33:45,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:45,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:33:45,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:45,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:45,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:45,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:45,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:45,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:33:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:45,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:45,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:45,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:33:45,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:45,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 12:33:45,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:45,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:45,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:45,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:45,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:45,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 12:33:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:45,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:45,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:45,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 12:33:45,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:45,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 12:33:45,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:45,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:45,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:45,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:45,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:45,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:33:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:45,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:45,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:45,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:33:45,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:45,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 12:33:45,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:45,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:45,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:45,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:45,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:45,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:33:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:45,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:45,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:45,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:33:45,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:45,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:33:45,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:45,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:45,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:45,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:45,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:45,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 12:33:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:45,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:45,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:45,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 12:33:45,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:45,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 12:33:45,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:45,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:45,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:45,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:45,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:45,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:33:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:45,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:45,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:45,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:33:45,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:45,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:33:45,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:45,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:45,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:45,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:45,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:45,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:33:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:45,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:45,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:45,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:33:45,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:45,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:33:45,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:45,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:45,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:45,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:45,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:45,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 12:33:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:45,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:45,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:45,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 12:33:45,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:45,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 12:33:45,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:45,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:45,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:45,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:45,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:45,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 12:33:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:45,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:45,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:45,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 12:33:45,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:45,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-27 12:33:45,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:45,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 12:33:45,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:33:45,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 12:33:45,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:45,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:33:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:45,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:45,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:45,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 12:33:45,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:45,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-27 12:33:45,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:45,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 12:33:45,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:45,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 12:33:45,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:46,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 12:33:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:46,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:46,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:46,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:46,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 12:33:46,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 12:33:46,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-27 12:33:46,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:46,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 12:33:46,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:33:46,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 12:33:46,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:46,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:33:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:46,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:46,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:46,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 12:33:46,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:46,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 12:33:46,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:46,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 12:33:46,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:46,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 12:33:46,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:46,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-27 12:33:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:46,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:46,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:46,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 12:33:46,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:46,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 12:33:46,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:46,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:46,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 12:33:46,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:46,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:46,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:33:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:46,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:46,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:46,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 12:33:46,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:46,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 12:33:46,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:46,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:46,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:46,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:46,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:46,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 12:33:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:46,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:46,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:46,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:46,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 12:33:46,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 12:33:46,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-27 12:33:46,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:46,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 12:33:46,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:33:46,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 12:33:46,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:46,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:33:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:46,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:46,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:46,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 12:33:46,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:46,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 12:33:46,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:46,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 12:33:46,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:46,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 12:33:46,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:46,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 12:33:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:46,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:46,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:46,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 12:33:46,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:46,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 12:33:46,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:46,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:46,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 12:33:46,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:46,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:46,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:33:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:46,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:46,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:46,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 12:33:46,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:46,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 12:33:46,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:46,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:46,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:46,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:46,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:46,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 12:33:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:46,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:46,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:46,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:46,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 12:33:46,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 12:33:46,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-27 12:33:46,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:46,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 12:33:46,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:33:46,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 12:33:46,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:46,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:33:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:46,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:46,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:46,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 12:33:46,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:46,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 12:33:46,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:46,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 12:33:46,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:46,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 12:33:46,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:47,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-27 12:33:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:47,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:47,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:47,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 12:33:47,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:47,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 12:33:47,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:47,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:47,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 12:33:47,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:47,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:47,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:33:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:47,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:47,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:47,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 12:33:47,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:47,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 12:33:47,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:47,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:47,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:47,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:47,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:47,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:33:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:33:47,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:33:47,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:33:47,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:33:47,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:33:47,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 12:33:47,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:33:47,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:33:47,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:33:47,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:33:47,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:33:47,187 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 153 proven. 289 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2020-10-27 12:33:47,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1831948529] [2020-10-27 12:33:47,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 12:33:47,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-27 12:33:47,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686720507] [2020-10-27 12:33:47,189 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-27 12:33:47,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 12:33:47,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-27 12:33:47,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2020-10-27 12:33:47,190 INFO L87 Difference]: Start difference. First operand 486 states and 628 transitions. Second operand 23 states. [2020-10-27 12:33:47,711 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-27 12:33:49,757 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 256 DAG size of output: 248 [2020-10-27 12:33:50,291 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-10-27 12:33:50,828 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-10-27 12:33:51,393 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-27 12:33:51,930 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-10-27 12:33:52,460 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-27 12:33:53,022 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-27 12:33:54,231 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-10-27 12:33:55,350 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-10-27 12:33:56,071 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-10-27 12:33:57,245 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 261 DAG size of output: 253 [2020-10-27 12:34:32,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 12:34:32,810 INFO L93 Difference]: Finished difference Result 989 states and 1282 transitions. [2020-10-27 12:34:32,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 12:34:32,811 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 195 [2020-10-27 12:34:32,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 12:34:32,816 INFO L225 Difference]: With dead ends: 989 [2020-10-27 12:34:32,816 INFO L226 Difference]: Without dead ends: 518 [2020-10-27 12:34:32,819 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 62 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=212, Invalid=1120, Unknown=0, NotChecked=0, Total=1332 [2020-10-27 12:34:32,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2020-10-27 12:34:32,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 489. [2020-10-27 12:34:32,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2020-10-27 12:34:32,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 632 transitions. [2020-10-27 12:34:32,939 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 632 transitions. Word has length 195 [2020-10-27 12:34:32,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 12:34:32,940 INFO L481 AbstractCegarLoop]: Abstraction has 489 states and 632 transitions. [2020-10-27 12:34:32,940 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-27 12:34:32,940 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 632 transitions. [2020-10-27 12:34:32,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-10-27 12:34:32,944 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 12:34:32,944 INFO L422 BasicCegarLoop]: trace histogram [28, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 12:34:32,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 12:34:32,945 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 12:34:32,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 12:34:32,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1146502808, now seen corresponding path program 5 times [2020-10-27 12:34:32,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 12:34:32,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [185261718] [2020-10-27 12:34:32,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 12:34:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:33,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:33,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:33,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:33,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:38,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:38,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-27 12:34:38,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 12:34:38,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5141 [2020-10-27 12:34:38,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:38,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 12:34:38,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-27 12:34:38,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 12:34:38,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:38,700 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-10-27 12:34:38,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 12:34:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:38,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:38,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:38,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:34:38,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:34:38,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-27 12:34:38,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:38,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:34:38,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:34:38,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:34:38,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:38,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:34:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:38,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:38,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:38,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 12:34:38,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:34:38,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 12:34:38,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:38,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:34:38,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:34:38,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:34:38,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:38,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:34:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:38,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:38,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:38,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:34:38,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:34:38,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:34:38,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:38,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:34:38,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:34:38,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:34:38,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:38,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:34:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:38,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:38,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:38,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:34:38,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:34:38,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 12:34:38,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:38,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:34:38,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:34:38,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:34:38,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:38,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 12:34:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:38,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:38,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:38,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 12:34:38,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:34:38,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 12:34:38,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:38,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:34:38,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:34:38,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:34:38,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:38,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:34:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:38,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:38,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:38,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:34:38,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:34:38,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:34:38,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:38,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:34:38,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:34:38,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:34:38,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:38,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:34:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:38,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:38,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:38,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:34:38,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:34:38,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:34:38,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:38,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:34:38,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:34:38,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:34:38,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:38,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 12:34:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:38,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:38,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:38,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 12:34:38,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:34:38,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 12:34:38,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:38,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:34:38,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:34:38,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:34:38,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:38,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:34:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:38,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:38,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:38,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:34:38,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:34:38,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:34:38,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:38,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:34:38,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:34:38,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:34:38,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:38,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:34:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:38,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:38,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:38,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:34:38,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:34:38,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:34:38,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:38,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:34:38,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:34:38,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:34:38,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:38,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 12:34:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:38,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:38,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:38,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 12:34:38,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:34:38,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 12:34:38,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:38,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:34:38,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:34:38,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:34:38,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:38,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:34:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:38,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:38,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:38,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 12:34:38,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:34:38,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 12:34:38,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:38,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:34:38,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:34:38,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:34:38,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:38,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 12:34:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:38,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:38,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:38,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:34:38,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:34:38,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 12:34:38,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:38,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:34:38,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:34:38,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:34:38,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:38,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 12:34:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:38,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:38,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:38,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 12:34:38,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:34:38,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 12:34:38,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:38,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:34:38,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:34:38,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:34:38,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:38,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 12:34:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:38,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:39,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:39,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 12:34:39,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:34:39,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-27 12:34:39,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:39,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 12:34:39,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:34:39,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 12:34:39,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:39,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:34:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:39,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:39,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:39,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 12:34:39,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:34:39,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-27 12:34:39,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:39,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 12:34:39,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:34:39,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 12:34:39,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:39,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 12:34:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:39,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:39,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:39,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:39,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 12:34:39,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 12:34:39,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-27 12:34:39,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:39,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 12:34:39,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:34:39,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 12:34:39,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:39,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:34:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:39,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:39,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:39,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 12:34:39,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:34:39,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-27 12:34:39,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:39,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 12:34:39,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:34:39,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 12:34:39,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:40,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 12:34:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:40,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:40,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:40,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 12:34:40,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:34:40,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 12:34:40,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:40,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:34:40,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 12:34:40,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:34:40,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:40,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:34:40,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:40,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:40,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:40,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 12:34:40,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:34:40,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 12:34:40,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:40,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:34:40,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:34:40,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:34:40,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:40,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 12:34:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:40,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:40,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:40,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:40,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 12:34:40,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 12:34:40,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 12:34:40,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:40,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 12:34:40,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:34:40,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 12:34:40,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 37 [2020-10-27 12:34:40,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:34:40,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:40,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:40,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:40,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 12:34:40,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:34:40,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-27 12:34:40,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:40,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 12:34:40,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:34:40,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 12:34:40,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:40,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 12:34:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:40,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:40,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:40,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 12:34:40,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:34:40,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 12:34:40,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:40,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:34:40,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 12:34:40,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:34:40,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:40,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:34:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:40,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:40,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:40,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 12:34:40,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:34:40,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 12:34:40,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:40,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:34:40,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:34:40,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:34:40,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:40,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 12:34:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:40,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:40,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:40,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:40,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 12:34:40,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 12:34:40,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-27 12:34:40,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:40,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 12:34:40,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 12:34:40,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 12:34:40,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:40,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:34:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:40,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:40,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:40,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-27 12:34:40,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:34:40,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 12:34:40,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:40,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 12:34:40,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:34:40,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 12:34:40,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:40,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-27 12:34:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:40,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:40,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:40,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 12:34:40,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:34:40,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 12:34:40,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:40,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:34:40,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 12:34:40,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:34:40,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:40,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:34:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:40,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:40,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:40,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 12:34:40,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:34:40,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 12:34:40,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:40,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:34:40,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:34:40,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:34:40,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:40,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 12:34:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 12:34:40,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 12:34:40,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 12:34:40,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 12:34:40,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 12:34:40,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 12:34:40,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 12:34:40,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 12:34:40,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 12:34:40,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 12:34:40,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 12:34:41,020 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 125 proven. 439 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2020-10-27 12:34:41,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [185261718] [2020-10-27 12:34:41,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 12:34:41,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-27 12:34:41,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049979139] [2020-10-27 12:34:41,022 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-27 12:34:41,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 12:34:41,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-27 12:34:41,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2020-10-27 12:34:41,022 INFO L87 Difference]: Start difference. First operand 489 states and 632 transitions. Second operand 25 states. [2020-10-27 12:34:41,601 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-10-27 12:34:44,602 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 258 DAG size of output: 244 [2020-10-27 12:34:45,234 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-10-27 12:34:45,854 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-27 12:34:46,467 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-10-27 12:34:47,077 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-10-27 12:34:47,715 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-10-27 12:34:48,323 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-10-27 12:34:48,983 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-10-27 12:34:50,800 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 254 DAG size of output: 240 [2020-10-27 12:34:52,391 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 249 DAG size of output: 235 [2020-10-27 12:34:53,175 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-10-27 12:34:54,987 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 263 DAG size of output: 249