/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=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-sets/test_mutex_double_unlock.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 19:56:00,006 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 19:56:00,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 19:56:00,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 19:56:00,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 19:56:00,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 19:56:00,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 19:56:00,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 19:56:00,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 19:56:00,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 19:56:00,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 19:56:00,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 19:56:00,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 19:56:00,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 19:56:00,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 19:56:00,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 19:56:00,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 19:56:00,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 19:56:00,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 19:56:00,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 19:56:00,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 19:56:00,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 19:56:00,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 19:56:00,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 19:56:00,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 19:56:00,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 19:56:00,080 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 19:56:00,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 19:56:00,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 19:56:00,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 19:56:00,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 19:56:00,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 19:56:00,084 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 19:56:00,085 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 19:56:00,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 19:56:00,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 19:56:00,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 19:56:00,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 19:56:00,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 19:56:00,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 19:56:00,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 19:56:00,092 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 19:56:00,119 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 19:56:00,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 19:56:00,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 19:56:00,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 19:56:00,121 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 19:56:00,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 19:56:00,121 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 19:56:00,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 19:56:00,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 19:56:00,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 19:56:00,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 19:56:00,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 19:56:00,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 19:56:00,122 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 19:56:00,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 19:56:00,123 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 19:56:00,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 19:56:00,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 19:56:00,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 19:56:00,124 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 19:56:00,124 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 19:56:00,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 19:56:00,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 19:56:00,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 19:56:00,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 19:56:00,125 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 19:56:00,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 19:56:00,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 19:56:00,126 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 19:56:00,126 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 19:56:00,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 19:56:00,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 19:56:00,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 19:56:00,518 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 19:56:00,518 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 19:56:00,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_mutex_double_unlock.i [2020-10-27 19:56:00,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5473c8f8e/149e2fcf3b6d4af0ad7abc282be1bc77/FLAGeef6dff4f [2020-10-27 19:56:01,458 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 19:56:01,458 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_mutex_double_unlock.i [2020-10-27 19:56:01,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5473c8f8e/149e2fcf3b6d4af0ad7abc282be1bc77/FLAGeef6dff4f [2020-10-27 19:56:01,686 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5473c8f8e/149e2fcf3b6d4af0ad7abc282be1bc77 [2020-10-27 19:56:01,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 19:56:01,699 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 19:56:01,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 19:56:01,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 19:56:01,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 19:56:01,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:56:01" (1/1) ... [2020-10-27 19:56:01,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5acd983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:01, skipping insertion in model container [2020-10-27 19:56:01,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:56:01" (1/1) ... [2020-10-27 19:56:01,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 19:56:01,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 19:56:02,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 19:56:02,220 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 19:56:02,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 19:56:02,379 INFO L208 MainTranslator]: Completed translation [2020-10-27 19:56:02,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:02 WrapperNode [2020-10-27 19:56:02,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 19:56:02,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 19:56:02,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 19:56:02,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 19:56:02,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:02" (1/1) ... [2020-10-27 19:56:02,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:02" (1/1) ... [2020-10-27 19:56:02,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:02" (1/1) ... [2020-10-27 19:56:02,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:02" (1/1) ... [2020-10-27 19:56:02,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:02" (1/1) ... [2020-10-27 19:56:02,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:02" (1/1) ... [2020-10-27 19:56:02,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:02" (1/1) ... [2020-10-27 19:56:02,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 19:56:02,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 19:56:02,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 19:56:02,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 19:56:02,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:02" (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 19:56:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 19:56:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 19:56:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-27 19:56:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-27 19:56:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 19:56:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 19:56:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 19:56:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-10-27 19:56:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-27 19:56:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-27 19:56:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-27 19:56:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-27 19:56:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-27 19:56:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-27 19:56:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-10-27 19:56:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-10-27 19:56:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-27 19:56:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-10-27 19:56:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-10-27 19:56:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-10-27 19:56:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-27 19:56:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-27 19:56:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-27 19:56:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-27 19:56:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-10-27 19:56:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 19:56:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-27 19:56:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-27 19:56:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-27 19:56:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-27 19:56:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-27 19:56:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-27 19:56:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-27 19:56:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-27 19:56:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-27 19:56:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-27 19:56:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-27 19:56:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-27 19:56:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-27 19:56:02,588 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-27 19:56:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-27 19:56:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-27 19:56:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-27 19:56:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-27 19:56:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-27 19:56:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-27 19:56:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-27 19:56:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-27 19:56:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-27 19:56:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-27 19:56:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-27 19:56:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-27 19:56:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-27 19:56:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-27 19:56:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-27 19:56:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-27 19:56:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-27 19:56:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-27 19:56:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-27 19:56:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-27 19:56:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-27 19:56:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-27 19:56:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-27 19:56:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-27 19:56:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-27 19:56:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-27 19:56:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-27 19:56:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-27 19:56:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-27 19:56:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-27 19:56:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-27 19:56:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-27 19:56:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-27 19:56:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-27 19:56:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-27 19:56:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-27 19:56:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-27 19:56:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-27 19:56:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 19:56:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 19:56:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-27 19:56:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 19:56:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-27 19:56:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-27 19:56:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-27 19:56:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-27 19:56:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 19:56:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-27 19:56:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-27 19:56:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 19:56:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-27 19:56:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-27 19:56:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-27 19:56:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-27 19:56:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-27 19:56:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-27 19:56:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-27 19:56:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-27 19:56:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-27 19:56:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-27 19:56:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-27 19:56:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-27 19:56:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-27 19:56:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-27 19:56:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-27 19:56:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-27 19:56:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-27 19:56:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-27 19:56:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-27 19:56:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-27 19:56:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-27 19:56:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-27 19:56:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-27 19:56:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-27 19:56:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-27 19:56:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-27 19:56:02,607 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-27 19:56:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-27 19:56:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-27 19:56:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-27 19:56:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-27 19:56:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-27 19:56:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-27 19:56:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-27 19:56:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-27 19:56:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-27 19:56:02,609 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-27 19:56:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-27 19:56:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 19:56:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 19:56:02,611 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 19:56:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 19:56:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 19:56:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 19:56:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 19:56:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 19:56:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 19:56:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-10-27 19:56:02,617 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-27 19:56:02,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 19:56:02,617 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-27 19:56:02,617 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-27 19:56:02,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-27 19:56:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 19:56:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-27 19:56:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-27 19:56:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-10-27 19:56:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-10-27 19:56:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-27 19:56:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-10-27 19:56:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-10-27 19:56:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-10-27 19:56:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 19:56:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-27 19:56:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-27 19:56:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-27 19:56:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-27 19:56:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-10-27 19:56:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 19:56:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 19:56:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 19:56:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 19:56:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 19:56:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 19:56:02,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 19:56:03,335 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 19:56:03,335 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-27 19:56:03,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:56:03 BoogieIcfgContainer [2020-10-27 19:56:03,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 19:56:03,339 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 19:56:03,339 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 19:56:03,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 19:56:03,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 07:56:01" (1/3) ... [2020-10-27 19:56:03,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d14e535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:56:03, skipping insertion in model container [2020-10-27 19:56:03,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:02" (2/3) ... [2020-10-27 19:56:03,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d14e535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:56:03, skipping insertion in model container [2020-10-27 19:56:03,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:56:03" (3/3) ... [2020-10-27 19:56:03,346 INFO L111 eAbstractionObserver]: Analyzing ICFG test_mutex_double_unlock.i [2020-10-27 19:56:03,358 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 19:56:03,363 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 19:56:03,377 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 19:56:03,405 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 19:56:03,405 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 19:56:03,405 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 19:56:03,405 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 19:56:03,405 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 19:56:03,405 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 19:56:03,406 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 19:56:03,406 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 19:56:03,427 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-10-27 19:56:03,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-27 19:56:03,440 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:56:03,442 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:56:03,442 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:56:03,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:56:03,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1326439761, now seen corresponding path program 1 times [2020-10-27 19:56:03,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:56:03,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1699669881] [2020-10-27 19:56:03,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:56:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:03,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:03,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:03,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:04,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:04,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:04,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 19:56:04,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 19:56:04,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 558 [2020-10-27 19:56:04,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:04,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:56:04,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-27 19:56:04,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:56:04,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 19:56:04,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:56:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:04,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:04,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:04,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:56:04,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:04,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 19:56:04,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:04,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:04,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:04,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:04,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:04,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:56:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:04,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:04,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:04,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:56:04,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:04,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:56:04,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:04,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:04,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:04,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:04,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:04,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:04,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:04,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:04,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:04,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:04,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:56:04,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 19:56:04,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:04,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:04,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 19:56:04,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:04,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:04,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:04,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:04,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:04,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:04,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:04,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:56:04,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:04,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:04,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 19:56:04,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:04,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:04,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:56:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:04,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:04,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:04,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:04,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:04,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:56:04,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 19:56:04,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:04,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:04,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 19:56:04,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:04,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:04,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:04,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:04,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:04,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:04,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:04,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:56:04,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:04,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:04,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 19:56:04,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:04,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:04,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 19:56:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:04,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:04,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:04,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:04,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:04,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:56:04,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 19:56:04,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:04,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:04,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 19:56:04,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:04,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:04,511 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-27 19:56:04,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1699669881] [2020-10-27 19:56:04,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:56:04,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 19:56:04,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862447663] [2020-10-27 19:56:04,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 19:56:04,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:56:04,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 19:56:04,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 19:56:04,539 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 5 states. [2020-10-27 19:56:05,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:56:05,056 INFO L93 Difference]: Finished difference Result 222 states and 280 transitions. [2020-10-27 19:56:05,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-27 19:56:05,058 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2020-10-27 19:56:05,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:56:05,070 INFO L225 Difference]: With dead ends: 222 [2020-10-27 19:56:05,070 INFO L226 Difference]: Without dead ends: 111 [2020-10-27 19:56:05,075 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 19:56:05,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-27 19:56:05,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 98. [2020-10-27 19:56:05,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-27 19:56:05,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 110 transitions. [2020-10-27 19:56:05,138 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 110 transitions. Word has length 44 [2020-10-27 19:56:05,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:56:05,138 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 110 transitions. [2020-10-27 19:56:05,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 19:56:05,138 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 110 transitions. [2020-10-27 19:56:05,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-27 19:56:05,141 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:56:05,141 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:56:05,141 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 19:56:05,141 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:56:05,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:56:05,142 INFO L82 PathProgramCache]: Analyzing trace with hash -547812891, now seen corresponding path program 1 times [2020-10-27 19:56:05,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:56:05,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1445245788] [2020-10-27 19:56:05,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:56:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:05,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:05,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:05,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 19:56:05,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:05,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-27 19:56:05,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:05,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:56:05,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-27 19:56:05,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:56:05,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:05,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:56:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:05,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:05,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:05,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:56:05,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:05,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:56:05,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:05,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:05,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:05,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:05,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:05,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:56:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:05,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:05,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:05,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:56:05,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:05,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:56:05,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:05,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:05,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:05,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:05,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:05,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:05,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:05,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:05,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:05,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:05,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:56:05,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:05,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:05,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:05,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:05,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:05,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:05,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:05,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:05,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:05,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:05,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:56:05,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:05,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:05,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:05,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:05,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:05,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:56:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:05,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:05,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:05,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:05,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:05,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:56:05,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:05,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:05,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:05,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:05,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:05,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:05,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:05,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:05,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:05,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:05,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:56:05,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:05,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:05,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:05,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:05,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:05,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 19:56:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:05,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:05,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:05,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:05,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:05,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 19:56:05,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:05,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:56:05,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:05,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:56:05,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:05,523 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-27 19:56:05,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1445245788] [2020-10-27 19:56:05,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:56:05,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 19:56:05,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479035915] [2020-10-27 19:56:05,526 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 19:56:05,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:56:05,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 19:56:05,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 19:56:05,528 INFO L87 Difference]: Start difference. First operand 98 states and 110 transitions. Second operand 6 states. [2020-10-27 19:56:06,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:56:06,027 INFO L93 Difference]: Finished difference Result 119 states and 138 transitions. [2020-10-27 19:56:06,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 19:56:06,028 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2020-10-27 19:56:06,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:56:06,031 INFO L225 Difference]: With dead ends: 119 [2020-10-27 19:56:06,031 INFO L226 Difference]: Without dead ends: 115 [2020-10-27 19:56:06,032 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-27 19:56:06,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-27 19:56:06,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 102. [2020-10-27 19:56:06,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-27 19:56:06,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 116 transitions. [2020-10-27 19:56:06,051 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 116 transitions. Word has length 44 [2020-10-27 19:56:06,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:56:06,052 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 116 transitions. [2020-10-27 19:56:06,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 19:56:06,052 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 116 transitions. [2020-10-27 19:56:06,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-27 19:56:06,054 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:56:06,054 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:56:06,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 19:56:06,054 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:56:06,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:56:06,055 INFO L82 PathProgramCache]: Analyzing trace with hash 817475022, now seen corresponding path program 1 times [2020-10-27 19:56:06,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:56:06,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [731728047] [2020-10-27 19:56:06,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:56:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:06,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:06,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:06,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 19:56:06,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:06,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 284 [2020-10-27 19:56:06,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:06,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 19:56:06,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 19:56:06,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 19:56:06,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:06,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:56:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:06,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:06,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:06,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:56:06,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:06,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 19:56:06,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:06,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:06,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:06,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 19:56:06,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:06,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:56:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:06,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:06,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:06,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:56:06,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:06,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:56:06,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:06,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:06,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:06,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 19:56:06,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:06,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:06,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:06,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:06,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:06,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:06,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 19:56:06,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:06,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:06,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:06,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:56:06,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:06,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:06,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:06,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:06,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:06,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:06,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:56:06,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:06,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:06,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:06,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:06,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:06,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:56:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:06,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:06,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:06,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:06,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:06,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 19:56:06,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:06,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:06,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:06,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:56:06,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:06,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:06,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:06,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:06,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:06,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:06,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:56:06,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:06,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:06,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:06,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:06,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:06,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 19:56:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:06,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:06,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:06,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:06,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:06,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 19:56:06,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:06,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:56:06,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:56:06,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:56:06,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:06,658 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-27 19:56:06,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [731728047] [2020-10-27 19:56:06,658 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:56:06,658 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 19:56:06,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415057404] [2020-10-27 19:56:06,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 19:56:06,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:56:06,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 19:56:06,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-27 19:56:06,660 INFO L87 Difference]: Start difference. First operand 102 states and 116 transitions. Second operand 7 states. [2020-10-27 19:56:07,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:56:07,906 INFO L93 Difference]: Finished difference Result 289 states and 352 transitions. [2020-10-27 19:56:07,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 19:56:07,907 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2020-10-27 19:56:07,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:56:07,910 INFO L225 Difference]: With dead ends: 289 [2020-10-27 19:56:07,911 INFO L226 Difference]: Without dead ends: 201 [2020-10-27 19:56:07,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-10-27 19:56:07,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-10-27 19:56:07,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 163. [2020-10-27 19:56:07,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-10-27 19:56:07,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 196 transitions. [2020-10-27 19:56:07,942 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 196 transitions. Word has length 44 [2020-10-27 19:56:07,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:56:07,943 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 196 transitions. [2020-10-27 19:56:07,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 19:56:07,943 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 196 transitions. [2020-10-27 19:56:07,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-27 19:56:07,947 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:56:07,947 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:56:07,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 19:56:07,947 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:56:07,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:56:07,948 INFO L82 PathProgramCache]: Analyzing trace with hash -847406493, now seen corresponding path program 1 times [2020-10-27 19:56:07,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:56:07,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1553740088] [2020-10-27 19:56:07,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:56:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:08,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:08,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:08,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:08,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 19:56:08,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:56:08,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 407 [2020-10-27 19:56:08,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:08,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:56:08,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-27 19:56:08,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:56:08,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:56:08,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:56:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:08,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:08,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:08,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:56:08,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:08,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 19:56:08,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:08,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:08,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:08,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:08,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:08,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:56:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:08,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:08,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:08,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:56:08,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:08,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 19:56:08,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:08,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:08,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:08,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:08,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:08,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:08,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:08,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:08,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:08,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:08,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 19:56:08,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:08,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:08,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:08,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:08,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:08,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:08,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:08,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:08,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:08,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:08,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:56:08,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:08,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:08,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:08,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:08,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:08,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:56:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:08,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:08,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:08,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:08,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:08,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:56:08,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:08,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:08,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:08,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:08,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:08,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:08,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:08,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:08,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:08,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:08,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:56:08,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:08,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:08,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:08,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:08,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:08,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:56:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:08,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:08,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:08,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:08,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 19:56:08,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:56:08,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 19:56:08,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:08,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:56:08,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 19:56:08,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:56:08,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:08,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:08,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:08,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:08,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:08,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:08,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:56:08,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:08,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:08,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:08,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:08,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:08,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:08,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:08,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:08,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:56:08,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:08,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 19:56:08,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:08,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:56:08,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 19:56:08,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:56:08,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:08,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:08,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:08,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:08,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:08,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:08,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 19:56:08,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:08,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:56:08,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:08,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:56:08,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:08,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 19:56:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:08,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:08,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:08,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 19:56:08,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:08,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 19:56:08,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:08,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:56:08,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 19:56:08,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:56:08,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:08,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:08,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:08,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:08,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:08,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:08,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:56:08,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:08,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:08,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:08,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:08,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:08,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:08,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:08,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:08,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:56:08,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:08,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 19:56:08,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:08,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:56:08,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 19:56:08,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:56:08,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:08,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:08,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:08,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:08,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:08,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:08,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 19:56:08,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:08,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:56:08,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:08,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:56:08,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:08,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 19:56:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:08,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:08,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:08,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:08,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:08,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:56:08,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:08,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:08,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 19:56:08,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:08,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:08,841 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-27 19:56:08,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1553740088] [2020-10-27 19:56:08,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:56:08,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 19:56:08,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699555121] [2020-10-27 19:56:08,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 19:56:08,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:56:08,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 19:56:08,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-27 19:56:08,844 INFO L87 Difference]: Start difference. First operand 163 states and 196 transitions. Second operand 7 states. [2020-10-27 19:56:09,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:56:09,527 INFO L93 Difference]: Finished difference Result 297 states and 357 transitions. [2020-10-27 19:56:09,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 19:56:09,527 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2020-10-27 19:56:09,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:56:09,532 INFO L225 Difference]: With dead ends: 297 [2020-10-27 19:56:09,534 INFO L226 Difference]: Without dead ends: 171 [2020-10-27 19:56:09,536 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-27 19:56:09,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-27 19:56:09,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2020-10-27 19:56:09,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-10-27 19:56:09,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 202 transitions. [2020-10-27 19:56:09,588 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 202 transitions. Word has length 92 [2020-10-27 19:56:09,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:56:09,591 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 202 transitions. [2020-10-27 19:56:09,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 19:56:09,591 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 202 transitions. [2020-10-27 19:56:09,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-27 19:56:09,593 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:56:09,594 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:56:09,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 19:56:09,597 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:56:09,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:56:09,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1930944587, now seen corresponding path program 1 times [2020-10-27 19:56:09,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:56:09,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1509918343] [2020-10-27 19:56:09,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:56:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:09,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:09,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:09,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:09,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:14,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:14,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:14,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:14,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 19:56:14,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 19:56:14,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-27 19:56:14,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:14,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 19:56:14,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-27 19:56:14,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 19:56:14,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:14,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:56:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:14,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:14,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:14,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:56:14,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:14,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:56:14,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:14,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:14,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:14,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:14,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:14,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:56:14,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:14,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:14,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:14,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:56:14,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:14,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:56:14,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:14,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:14,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:14,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:14,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:14,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:14,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:14,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:14,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:14,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:14,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:14,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:56:14,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:14,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:14,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:14,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:14,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:14,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:14,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:14,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:14,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:14,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:14,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:56:14,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:14,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:14,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:14,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:14,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:14,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:56:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:14,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:14,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:14,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:14,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:14,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:56:14,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:14,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:14,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:14,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:14,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:14,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:14,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:14,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:14,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:14,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:14,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:56:14,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:14,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:14,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:14,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:14,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:14,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:56:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:14,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:14,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:14,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:14,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 19:56:14,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:56:14,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-27 19:56:14,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:14,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 19:56:14,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 19:56:14,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 19:56:14,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:14,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:14,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:15,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:15,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:15,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:15,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 19:56:15,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:15,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:56:15,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:15,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:56:15,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:56:15,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:15,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:15,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:15,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:56:15,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:15,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-27 19:56:15,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:15,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:56:15,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:56:15,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 19:56:15,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:15,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:15,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:15,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:15,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:15,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:15,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 19:56:15,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:15,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:56:15,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:15,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:56:15,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:15,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 19:56:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:15,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:15,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:15,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 19:56:15,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:15,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-27 19:56:15,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:15,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 19:56:15,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 19:56:15,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 19:56:15,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:15,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:15,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:15,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:15,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:15,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:15,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 19:56:15,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:15,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:56:15,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:15,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:56:15,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:15,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:15,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:15,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:15,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:56:15,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:15,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 19:56:15,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:15,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:56:15,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:56:15,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 19:56:15,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:15,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:15,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:15,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:15,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:15,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:15,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 19:56:15,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:56:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:56:15,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:15,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 19:56:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:15,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:15,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:15,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:15,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:15,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:56:15,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:15,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:15,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 19:56:15,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:15,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:15,615 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 1 proven. 25 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-27 19:56:15,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1509918343] [2020-10-27 19:56:15,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:56:15,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 19:56:15,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141079755] [2020-10-27 19:56:15,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 19:56:15,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:56:15,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 19:56:15,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-27 19:56:15,619 INFO L87 Difference]: Start difference. First operand 169 states and 202 transitions. Second operand 12 states. [2020-10-27 19:56:18,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:56:18,600 INFO L93 Difference]: Finished difference Result 412 states and 503 transitions. [2020-10-27 19:56:18,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 19:56:18,601 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 92 [2020-10-27 19:56:18,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:56:18,605 INFO L225 Difference]: With dead ends: 412 [2020-10-27 19:56:18,605 INFO L226 Difference]: Without dead ends: 218 [2020-10-27 19:56:18,606 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=192, Invalid=678, Unknown=0, NotChecked=0, Total=870 [2020-10-27 19:56:18,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-10-27 19:56:18,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 186. [2020-10-27 19:56:18,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-10-27 19:56:18,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 219 transitions. [2020-10-27 19:56:18,645 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 219 transitions. Word has length 92 [2020-10-27 19:56:18,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:56:18,646 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 219 transitions. [2020-10-27 19:56:18,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 19:56:18,646 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 219 transitions. [2020-10-27 19:56:18,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-27 19:56:18,647 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:56:18,648 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:56:18,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 19:56:18,648 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:56:18,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:56:18,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1290820386, now seen corresponding path program 1 times [2020-10-27 19:56:18,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:56:18,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [735900944] [2020-10-27 19:56:18,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:56:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:18,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:19,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:19,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:20,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:23,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:23,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-27 19:56:23,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 19:56:23,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 19:56:23,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:23,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-27 19:56:23,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 19:56:23,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 19:56:23,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:56:23,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:56:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:23,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:24,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:24,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:56:24,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:24,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 19:56:24,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:24,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:24,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:24,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:24,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:56:24,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:56:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:24,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:24,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:24,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:56:24,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:24,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:56:24,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:24,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:24,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:24,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:24,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:56:24,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:24,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:24,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:24,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:24,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:24,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 19:56:24,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:24,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:56:24,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:24,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 19:56:24,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:56:24,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:24,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:24,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:24,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:24,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:24,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:56:24,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:24,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:24,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:24,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:56:24,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:56:24,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:56:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:24,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:24,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:24,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:24,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:24,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 19:56:24,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:24,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 19:56:24,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:56:24,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 19:56:24,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:56:24,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:24,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:24,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:24,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:24,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:24,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:56:24,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:24,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:24,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:24,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:56:24,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:24,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:56:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:24,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:24,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:24,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:56:24,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:24,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 419 [2020-10-27 19:56:24,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:24,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 19:56:24,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:24,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 19:56:24,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:24,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:24,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:24,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:24,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:24,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:24,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:56:24,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:24,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:24,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:24,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:56:24,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:24,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:24,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:25,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:25,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:56:25,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:25,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 304 [2020-10-27 19:56:25,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:25,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 19:56:25,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:25,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 19:56:25,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:25,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:25,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:25,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:25,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:25,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:25,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 19:56:25,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:25,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:25,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:25,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:56:25,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:25,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:25,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:25,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:25,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:25,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:25,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 19:56:25,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:25,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:56:25,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:25,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:56:25,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:25,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:25,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:25,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:25,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:25,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:25,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:56:25,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:25,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:25,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:25,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:56:25,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:25,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:56:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:25,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:25,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:25,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:56:25,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:25,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-27 19:56:25,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:25,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 19:56:25,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:56:25,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:56:25,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:25,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:25,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:25,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:25,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:56:25,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:25,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 19:56:25,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:25,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:56:25,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:56:25,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:56:25,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:25,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 19:56:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:25,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:25,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:25,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:25,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:25,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 19:56:25,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:25,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:56:25,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:56:25,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:56:25,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:26,109 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 19:56:26,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [735900944] [2020-10-27 19:56:26,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:56:26,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-27 19:56:26,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575072131] [2020-10-27 19:56:26,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-27 19:56:26,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:56:26,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-27 19:56:26,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=865, Unknown=0, NotChecked=0, Total=930 [2020-10-27 19:56:26,112 INFO L87 Difference]: Start difference. First operand 186 states and 219 transitions. Second operand 31 states. [2020-10-27 19:56:28,843 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-10-27 19:56:30,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:56:30,730 INFO L93 Difference]: Finished difference Result 322 states and 390 transitions. [2020-10-27 19:56:30,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-27 19:56:30,731 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 88 [2020-10-27 19:56:30,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:56:30,735 INFO L225 Difference]: With dead ends: 322 [2020-10-27 19:56:30,735 INFO L226 Difference]: Without dead ends: 196 [2020-10-27 19:56:30,737 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=206, Invalid=2550, Unknown=0, NotChecked=0, Total=2756 [2020-10-27 19:56:30,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-10-27 19:56:30,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 189. [2020-10-27 19:56:30,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-10-27 19:56:30,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 224 transitions. [2020-10-27 19:56:30,774 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 224 transitions. Word has length 88 [2020-10-27 19:56:30,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:56:30,775 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 224 transitions. [2020-10-27 19:56:30,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-27 19:56:30,775 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 224 transitions. [2020-10-27 19:56:30,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-27 19:56:30,778 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:56:30,779 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:56:30,779 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 19:56:30,779 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:56:30,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:56:30,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1324870515, now seen corresponding path program 1 times [2020-10-27 19:56:30,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:56:30,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [272545528] [2020-10-27 19:56:30,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:56:30,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:30,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:31,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:31,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:35,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:35,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-27 19:56:35,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 19:56:35,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 19:56:35,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:35,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-27 19:56:35,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 19:56:35,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-27 19:56:35,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:35,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:56:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:35,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:35,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:35,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:56:35,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:35,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 19:56:35,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:35,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:35,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:35,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 19:56:35,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:35,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:56:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:35,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:35,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:35,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:56:35,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:35,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:56:35,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:35,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:35,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:35,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 19:56:35,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:35,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:35,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:35,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:35,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:35,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:35,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 19:56:35,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:35,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:35,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:35,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:56:35,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:35,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:36,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:36,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:36,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:36,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:36,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:56:36,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:36,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:36,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:36,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:36,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:36,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:56:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:36,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:36,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:36,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:36,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:36,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 19:56:36,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:36,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:36,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:36,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:56:36,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:36,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:36,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:36,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:36,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:36,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:36,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:56:36,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:36,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:36,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:36,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:36,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:36,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:56:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:36,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:36,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:37,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:37,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:56:37,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:56:37,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1828 [2020-10-27 19:56:37,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:37,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 19:56:37,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:37,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 19:56:37,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:37,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:37,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:37,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:37,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:37,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:37,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:56:37,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:37,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:37,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:37,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:37,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:37,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:37,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:38,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:38,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:56:38,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:38,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-10-27 19:56:38,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:38,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 19:56:38,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:38,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 19:56:38,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:38,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:38,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:38,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:38,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:38,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:38,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 19:56:38,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:38,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:56:38,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:38,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:56:38,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:38,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:38,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:38,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:38,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:38,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:38,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 19:56:38,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:38,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:56:38,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:38,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:56:38,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:38,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:38,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:38,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:38,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:38,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:38,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:56:38,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:38,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:38,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:38,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:56:38,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:38,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:56:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:38,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:38,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:38,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:56:38,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:38,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-27 19:56:38,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:38,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:56:38,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:56:38,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:56:38,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:38,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:38,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:38,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:38,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:56:38,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:38,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 19:56:38,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:38,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:56:38,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:38,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:56:38,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:38,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 19:56:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:38,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:38,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:38,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:56:38,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:38,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 19:56:38,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:38,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:56:38,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:56:38,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 19:56:38,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:39,123 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-10-27 19:56:39,211 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-27 19:56:39,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [272545528] [2020-10-27 19:56:39,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:56:39,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-27 19:56:39,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138787499] [2020-10-27 19:56:39,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-27 19:56:39,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:56:39,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-27 19:56:39,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=455, Unknown=0, NotChecked=0, Total=506 [2020-10-27 19:56:39,214 INFO L87 Difference]: Start difference. First operand 189 states and 224 transitions. Second operand 23 states. [2020-10-27 19:56:40,251 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 81 [2020-10-27 19:56:40,769 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2020-10-27 19:56:42,097 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-27 19:56:43,514 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2020-10-27 19:56:44,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:56:44,795 INFO L93 Difference]: Finished difference Result 391 states and 477 transitions. [2020-10-27 19:56:44,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-27 19:56:44,796 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 91 [2020-10-27 19:56:44,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:56:44,799 INFO L225 Difference]: With dead ends: 391 [2020-10-27 19:56:44,800 INFO L226 Difference]: Without dead ends: 260 [2020-10-27 19:56:44,803 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 522 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=414, Invalid=2342, Unknown=0, NotChecked=0, Total=2756 [2020-10-27 19:56:44,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-10-27 19:56:44,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 219. [2020-10-27 19:56:44,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2020-10-27 19:56:44,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 264 transitions. [2020-10-27 19:56:44,845 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 264 transitions. Word has length 91 [2020-10-27 19:56:44,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:56:44,846 INFO L481 AbstractCegarLoop]: Abstraction has 219 states and 264 transitions. [2020-10-27 19:56:44,846 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-27 19:56:44,846 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 264 transitions. [2020-10-27 19:56:44,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-27 19:56:44,849 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:56:44,849 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:56:44,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 19:56:44,849 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:56:44,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:56:44,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1738994346, now seen corresponding path program 1 times [2020-10-27 19:56:44,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:56:44,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [528014721] [2020-10-27 19:56:44,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:56:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:44,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:45,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:45,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:45,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:46,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:46,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:46,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:49,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:49,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-27 19:56:49,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 19:56:49,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 19:56:49,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:49,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 19:56:49,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-27 19:56:49,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 19:56:49,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:49,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:56:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:49,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:49,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:49,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:56:49,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:49,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:56:49,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:49,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:49,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:49,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:49,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:49,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:56:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:49,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:49,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:49,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:56:49,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:49,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:56:49,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:49,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:49,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:49,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:49,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:49,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:49,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:49,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:49,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:49,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:49,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:56:49,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:49,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:49,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:49,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:49,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:49,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:49,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:49,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:49,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:49,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:49,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:56:49,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:49,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:49,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:49,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:49,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:49,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:56:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:49,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:49,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:49,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:49,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:49,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:56:49,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:49,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:49,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:49,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:49,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:50,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:50,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:50,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:50,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:50,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:50,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:56:50,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:50,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:50,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:56:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:50,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:50,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:50,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:56:50,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:50,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 19:56:50,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:50,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:50,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:50,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:50,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:50,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:50,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:50,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:50,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:50,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:50,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:56:50,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:50,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:50,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:50,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:50,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:50,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:50,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:50,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:50,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:56:50,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:50,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 19:56:50,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:50,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:50,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:50,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:50,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:50,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:50,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:50,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:50,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:50,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:50,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:56:50,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:50,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:50,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:50,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:50,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:50,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:50,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:50,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:50,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:50,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:50,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:56:50,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:50,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:50,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:50,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:50,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:50,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:50,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:50,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:50,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:50,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:50,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:56:50,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:50,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:50,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:50,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:50,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:50,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:56:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:50,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:50,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:50,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:56:50,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:50,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:56:50,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:50,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:50,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:50,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:50,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:50,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:50,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:50,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:50,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:56:50,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:50,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:56:50,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:50,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:50,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:50,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:50,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:50,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 19:56:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:50,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:50,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:50,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:50,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:50,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-27 19:56:50,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 19:56:50,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 265 [2020-10-27 19:56:50,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:50,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 19:56:50,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 19:56:50,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 19:56:50,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:50,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:50,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:50,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:50,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:56:50,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:50,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 19:56:50,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:50,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:56:50,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:50,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 19:56:50,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:50,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:56:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:50,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:50,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:50,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:56:50,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:50,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 19:56:50,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:50,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 19:56:50,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:56:50,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 19:56:50,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:50,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:50,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:50,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:50,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:50,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:50,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 19:56:50,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:50,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:56:50,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:50,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:56:50,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:50,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 19:56:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:50,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:50,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:50,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:50,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:50,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 19:56:50,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:50,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:56:50,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:56:50,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:56:50,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:50,866 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 34 proven. 12 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-27 19:56:50,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [528014721] [2020-10-27 19:56:50,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:56:50,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 19:56:50,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215965830] [2020-10-27 19:56:50,867 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 19:56:50,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:56:50,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 19:56:50,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2020-10-27 19:56:50,868 INFO L87 Difference]: Start difference. First operand 219 states and 264 transitions. Second operand 16 states. [2020-10-27 19:56:51,322 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2020-10-27 19:56:51,494 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2020-10-27 19:56:52,112 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2020-10-27 19:56:52,274 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2020-10-27 19:56:52,440 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2020-10-27 19:56:53,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:56:53,632 INFO L93 Difference]: Finished difference Result 353 states and 431 transitions. [2020-10-27 19:56:53,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 19:56:53,633 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 115 [2020-10-27 19:56:53,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:56:53,636 INFO L225 Difference]: With dead ends: 353 [2020-10-27 19:56:53,636 INFO L226 Difference]: Without dead ends: 225 [2020-10-27 19:56:53,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=139, Invalid=617, Unknown=0, NotChecked=0, Total=756 [2020-10-27 19:56:53,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-10-27 19:56:53,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 219. [2020-10-27 19:56:53,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2020-10-27 19:56:53,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 263 transitions. [2020-10-27 19:56:53,667 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 263 transitions. Word has length 115 [2020-10-27 19:56:53,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:56:53,667 INFO L481 AbstractCegarLoop]: Abstraction has 219 states and 263 transitions. [2020-10-27 19:56:53,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 19:56:53,668 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 263 transitions. [2020-10-27 19:56:53,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-27 19:56:53,669 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:56:53,670 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:56:53,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 19:56:53,670 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:56:53,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:56:53,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1892309817, now seen corresponding path program 2 times [2020-10-27 19:56:53,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:56:53,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1003050307] [2020-10-27 19:56:53,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:56:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:53,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:53,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:54,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:54,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:58,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:58,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-27 19:56:58,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 19:56:58,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-27 19:56:58,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:58,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 19:56:58,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-27 19:56:58,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 19:56:58,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:58,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:56:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:58,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:58,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:58,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:56:58,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:58,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:56:58,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:58,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:58,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:58,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:58,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:58,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:56:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:58,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:58,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:58,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:56:58,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:58,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:56:58,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:58,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:58,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:58,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:58,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:58,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:58,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:58,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:58,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:58,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:58,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:56:58,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:58,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:58,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:58,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:58,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:58,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:58,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:58,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:58,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:58,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:58,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:56:58,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:58,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:58,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:58,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:58,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:58,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:56:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:58,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:58,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:58,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:58,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:58,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:56:58,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:58,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:58,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:58,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:58,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:58,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:58,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:58,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:58,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:58,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:58,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:56:58,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:58,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:58,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:58,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:58,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:58,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:56:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:58,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:58,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:58,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:56:58,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:58,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 19:56:58,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:58,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:58,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:58,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:58,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:58,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:58,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:58,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:58,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:58,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:58,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:56:58,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:58,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:58,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:58,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:58,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:58,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:58,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:58,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:58,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:56:58,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:58,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 19:56:58,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:58,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:58,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:58,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:58,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:58,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:58,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:58,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:58,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:58,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:58,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:56:58,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:58,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:58,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:58,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:58,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:58,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:58,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:58,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:58,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:58,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:58,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:56:58,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:58,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:58,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:58,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:58,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:58,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:58,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:58,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:58,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:58,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:58,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:56:58,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:58,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:58,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:58,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:58,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:58,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:56:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:58,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:58,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:58,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:56:58,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:58,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:56:58,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:58,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:58,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:58,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:58,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:58,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:58,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:58,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:58,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:56:58,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:58,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 19:56:58,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:58,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:58,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:58,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:58,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:58,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 19:56:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:59,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:59,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:59,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 19:56:59,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:59,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-27 19:56:59,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:59,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 19:56:59,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 19:56:59,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 19:56:59,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:59,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:59,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:59,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:59,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:56:59,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:59,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 19:56:59,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:59,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:56:59,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:59,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 19:56:59,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:59,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:56:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:59,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:59,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:59,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 19:56:59,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:59,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 19:56:59,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:59,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 19:56:59,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:56:59,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 19:56:59,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:59,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:59,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:59,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:59,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:56:59,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:59,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 19:56:59,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:59,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:56:59,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:59,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 19:56:59,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:56:59,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 19:56:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:59,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:59,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:59,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:59,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:59,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:56:59,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:59,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:59,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 19:56:59,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:59,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:56:59,561 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 28 proven. 17 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2020-10-27 19:56:59,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1003050307] [2020-10-27 19:56:59,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:56:59,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 19:56:59,563 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160007329] [2020-10-27 19:56:59,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 19:56:59,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:56:59,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 19:56:59,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-10-27 19:56:59,565 INFO L87 Difference]: Start difference. First operand 219 states and 263 transitions. Second operand 13 states. [2020-10-27 19:57:02,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:57:02,617 INFO L93 Difference]: Finished difference Result 459 states and 566 transitions. [2020-10-27 19:57:02,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 19:57:02,618 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 118 [2020-10-27 19:57:02,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:57:02,621 INFO L225 Difference]: With dead ends: 459 [2020-10-27 19:57:02,621 INFO L226 Difference]: Without dead ends: 303 [2020-10-27 19:57:02,623 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=261, Invalid=861, Unknown=0, NotChecked=0, Total=1122 [2020-10-27 19:57:02,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-27 19:57:02,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 266. [2020-10-27 19:57:02,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-27 19:57:02,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 329 transitions. [2020-10-27 19:57:02,660 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 329 transitions. Word has length 118 [2020-10-27 19:57:02,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:57:02,660 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 329 transitions. [2020-10-27 19:57:02,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 19:57:02,661 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 329 transitions. [2020-10-27 19:57:02,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-27 19:57:02,665 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:57:02,665 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:57:02,665 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 19:57:02,665 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:57:02,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:57:02,666 INFO L82 PathProgramCache]: Analyzing trace with hash 343335833, now seen corresponding path program 1 times [2020-10-27 19:57:02,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:57:02,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1218310988] [2020-10-27 19:57:02,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:57:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:02,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:02,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:03,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:03,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:03,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:07,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:07,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-27 19:57:07,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 19:57:07,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 19:57:07,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:07,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-27 19:57:07,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-27 19:57:07,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-27 19:57:07,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:07,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:57:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:07,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:07,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:07,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:07,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:07,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:57:07,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:07,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:07,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:07,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:07,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:07,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:57:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:07,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:07,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:07,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:57:07,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:07,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:57:07,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:07,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:07,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:07,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:07,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:07,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:07,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:07,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:07,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:07,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:07,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:57:07,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:07,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:07,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:07,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:07,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:07,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:07,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:07,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:07,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:07,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:07,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:07,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:07,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:07,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:07,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:07,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:07,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:07,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:57:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:07,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:07,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:07,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:07,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:07,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:57:07,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:07,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:07,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:07,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:07,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:07,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:07,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:07,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:07,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:07,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:07,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:07,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:07,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:07,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:07,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:07,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:07,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:57:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:07,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:08,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:08,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:57:08,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:08,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-10-27 19:57:08,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:08,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 19:57:08,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:08,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 19:57:08,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:08,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:08,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:08,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:08,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:08,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:08,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:08,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:08,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:08,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:08,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:08,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:08,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:08,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:08,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:08,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:57:08,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:08,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-27 19:57:08,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:08,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 19:57:08,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:08,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 19:57:08,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:08,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:08,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:08,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:08,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:08,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:08,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:57:08,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:08,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:08,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:08,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:57:08,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:08,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:08,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:08,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:08,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:08,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:08,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 19:57:08,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:08,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:57:08,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:08,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:57:08,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:08,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:08,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:08,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:08,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:08,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:08,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:08,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:08,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:08,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:08,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:57:08,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:08,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:57:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:08,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:08,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:08,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:57:08,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:08,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 19:57:08,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:08,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:57:08,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:08,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:57:08,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:08,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:08,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:08,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:08,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:08,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:08,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 19:57:08,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:08,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:57:08,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:08,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:57:08,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:08,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 19:57:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:08,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:08,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:09,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:09,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:57:09,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:57:09,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 941 [2020-10-27 19:57:09,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:09,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 19:57:09,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:57:09,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-27 19:57:09,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:09,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:09,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:09,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:09,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:09,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:09,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:57:09,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:09,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:09,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:09,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:57:09,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:09,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:09,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:09,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:09,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:57:09,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:09,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-10-27 19:57:09,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:09,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 19:57:09,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:57:09,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-27 19:57:09,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:09,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:09,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:09,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:09,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:09,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:09,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:57:09,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:09,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:57:09,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:09,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:57:09,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:09,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:09,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:09,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:09,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:09,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:09,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 19:57:09,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:09,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 19:57:09,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:57:09,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 19:57:09,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:09,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:09,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:09,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:09,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:09,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:09,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:09,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:09,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:09,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:09,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:57:09,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:09,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:57:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:10,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:10,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:10,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:57:10,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:10,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 19:57:10,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:10,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:57:10,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:10,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:57:10,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:10,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:10,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:10,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:10,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:10,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:10,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:57:10,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:10,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:57:10,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:10,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:57:10,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:10,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 19:57:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:10,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:10,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:10,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:10,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:10,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:57:10,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:10,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:57:10,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:57:10,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:57:10,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:10,083 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 48 proven. 10 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-27 19:57:10,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1218310988] [2020-10-27 19:57:10,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:57:10,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-27 19:57:10,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974349210] [2020-10-27 19:57:10,084 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-27 19:57:10,084 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:57:10,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-27 19:57:10,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=692, Unknown=0, NotChecked=0, Total=756 [2020-10-27 19:57:10,085 INFO L87 Difference]: Start difference. First operand 266 states and 329 transitions. Second operand 28 states. [2020-10-27 19:57:14,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:57:14,624 INFO L93 Difference]: Finished difference Result 479 states and 576 transitions. [2020-10-27 19:57:14,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-27 19:57:14,625 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 132 [2020-10-27 19:57:14,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:57:14,628 INFO L225 Difference]: With dead ends: 479 [2020-10-27 19:57:14,628 INFO L226 Difference]: Without dead ends: 286 [2020-10-27 19:57:14,630 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 701 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=413, Invalid=3127, Unknown=0, NotChecked=0, Total=3540 [2020-10-27 19:57:14,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-10-27 19:57:14,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 225. [2020-10-27 19:57:14,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-10-27 19:57:14,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 264 transitions. [2020-10-27 19:57:14,666 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 264 transitions. Word has length 132 [2020-10-27 19:57:14,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:57:14,667 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 264 transitions. [2020-10-27 19:57:14,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-27 19:57:14,667 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 264 transitions. [2020-10-27 19:57:14,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-27 19:57:14,669 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:57:14,669 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:57:14,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 19:57:14,669 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:57:14,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:57:14,670 INFO L82 PathProgramCache]: Analyzing trace with hash -904640725, now seen corresponding path program 1 times [2020-10-27 19:57:14,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:57:14,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [136576739] [2020-10-27 19:57:14,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:57:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:14,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:14,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:15,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:19,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:19,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-27 19:57:19,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 19:57:19,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 19:57:19,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:19,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 19:57:19,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 19:57:19,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-10-27 19:57:19,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:19,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:57:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:19,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:19,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:19,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:19,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:19,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:57:19,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:19,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:19,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:19,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 19:57:19,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:19,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:57:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:19,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:19,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:19,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:57:19,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:19,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:19,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:19,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:19,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:19,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 19:57:19,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:19,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:19,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:19,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:19,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:19,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:19,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:57:19,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:19,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:19,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:19,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:57:19,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:19,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:19,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:19,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:19,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:19,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:19,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:19,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:19,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:19,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:19,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:19,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:19,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:57:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:19,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:19,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:19,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:19,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:19,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:57:19,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:19,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:19,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:19,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:57:19,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:19,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:19,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:19,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:19,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:19,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:19,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:19,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:19,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:19,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:19,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:19,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:19,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:57:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:19,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:19,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:19,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:57:19,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:19,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 19:57:19,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:19,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:19,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:19,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 19:57:19,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:19,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:19,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:19,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:19,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:19,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:19,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:19,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:19,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:19,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:19,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:19,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:19,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:19,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:19,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:19,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:57:19,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:19,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 19:57:19,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:19,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:19,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:19,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:19,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:19,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:19,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:19,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:19,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:19,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:19,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:19,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:19,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:19,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:19,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:19,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:19,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:19,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:19,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:19,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:19,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:19,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:57:19,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:19,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:19,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:19,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:19,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:19,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:19,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:19,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:19,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:19,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:19,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:19,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:19,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:19,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:19,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:19,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:19,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:57:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:19,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:19,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:19,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:57:19,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:19,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:57:19,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:19,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:19,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:19,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:19,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:19,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:19,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:19,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:19,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:19,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:19,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:19,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:19,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:19,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:19,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:19,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:19,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 19:57:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:20,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:20,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:20,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 19:57:20,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:20,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-10-27 19:57:20,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:20,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 19:57:20,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:20,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 19:57:20,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:20,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:20,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:20,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:20,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:57:20,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:20,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:57:20,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:20,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:20,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:20,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:20,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:20,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:57:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:20,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:20,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:20,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 19:57:20,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:20,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-10-27 19:57:20,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:20,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 19:57:20,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:20,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 19:57:20,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:20,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:20,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:20,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:20,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:57:20,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:20,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:57:20,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:20,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:20,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:20,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 19:57:20,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:20,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:57:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:20,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:20,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:20,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:20,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:20,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 19:57:20,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:20,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:57:20,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:20,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:57:20,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:20,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:20,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:20,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:20,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:20,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:20,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:20,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:20,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:20,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:20,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:57:20,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:20,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 19:57:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:20,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:20,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:20,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:57:20,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:20,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 19:57:20,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:20,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:57:20,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:20,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:57:20,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:20,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:20,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:20,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:20,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:20,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:20,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:57:20,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:20,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:57:20,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:20,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:57:20,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:20,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 19:57:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:20,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:20,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:20,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:20,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:20,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:57:20,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:20,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:57:20,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:57:20,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:57:20,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:20,782 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2020-10-27 19:57:20,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [136576739] [2020-10-27 19:57:20,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:57:20,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-10-27 19:57:20,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748657891] [2020-10-27 19:57:20,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 19:57:20,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:57:20,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 19:57:20,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=337, Unknown=0, NotChecked=0, Total=380 [2020-10-27 19:57:20,784 INFO L87 Difference]: Start difference. First operand 225 states and 264 transitions. Second operand 20 states. [2020-10-27 19:57:23,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:57:23,866 INFO L93 Difference]: Finished difference Result 318 states and 371 transitions. [2020-10-27 19:57:23,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-27 19:57:23,867 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 138 [2020-10-27 19:57:23,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:57:23,870 INFO L225 Difference]: With dead ends: 318 [2020-10-27 19:57:23,870 INFO L226 Difference]: Without dead ends: 238 [2020-10-27 19:57:23,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=299, Invalid=1681, Unknown=0, NotChecked=0, Total=1980 [2020-10-27 19:57:23,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-10-27 19:57:23,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 200. [2020-10-27 19:57:23,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-10-27 19:57:23,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 229 transitions. [2020-10-27 19:57:23,902 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 229 transitions. Word has length 138 [2020-10-27 19:57:23,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:57:23,902 INFO L481 AbstractCegarLoop]: Abstraction has 200 states and 229 transitions. [2020-10-27 19:57:23,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 19:57:23,902 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 229 transitions. [2020-10-27 19:57:23,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-27 19:57:23,904 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:57:23,904 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:57:23,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 19:57:23,905 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:57:23,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:57:23,905 INFO L82 PathProgramCache]: Analyzing trace with hash 460647188, now seen corresponding path program 1 times [2020-10-27 19:57:23,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:57:23,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1424675478] [2020-10-27 19:57:23,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:57:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:23,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:24,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:25,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:26,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:27,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:28,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:28,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:29,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:29,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-27 19:57:29,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 19:57:29,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5269 [2020-10-27 19:57:29,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:29,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:57:29,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-10-27 19:57:29,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:57:29,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:29,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:57:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:29,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:29,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:29,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:29,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:29,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:57:29,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:29,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:29,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:57:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:29,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:29,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:29,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:57:29,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:29,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:57:29,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:29,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:29,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:29,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:29,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:29,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:29,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:29,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:29,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:29,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:29,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:29,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:29,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:29,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:29,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:29,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:29,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:29,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:29,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:29,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:29,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:29,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:29,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:29,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:29,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:29,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:29,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:29,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:57:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:29,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:29,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:29,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:29,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:29,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:29,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:29,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:29,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:29,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:29,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:29,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:29,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:29,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:29,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:29,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:29,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:29,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:29,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:29,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:29,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:29,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:29,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:57:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:29,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:29,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:29,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:57:29,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:29,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 19:57:29,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:29,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:29,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:29,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:29,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:29,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:29,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:29,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:29,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:29,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:29,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:29,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:29,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:29,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:29,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:29,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:29,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:29,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:29,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:29,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:57:29,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:29,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 19:57:29,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:29,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:29,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:29,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:29,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:29,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:29,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:29,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:29,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:29,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:29,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:29,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:29,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:29,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:29,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:29,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:29,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:29,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:29,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:29,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:29,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:29,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:57:29,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:29,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:29,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:29,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:29,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:29,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:29,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:29,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:29,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:29,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:29,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:29,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:29,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:29,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:29,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:29,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:29,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:57:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:29,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:29,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:29,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:57:29,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:29,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:57:29,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:29,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:29,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:29,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:29,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:29,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:29,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:29,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:29,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:29,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:29,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:29,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:29,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:29,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:29,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:29,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:29,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 19:57:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:29,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:29,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:29,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 19:57:29,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:29,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 19:57:29,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:29,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:29,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:29,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:29,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:29,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:29,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:29,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:29,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:57:29,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:29,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:29,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:29,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:29,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:29,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:29,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:29,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:57:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:29,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:29,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:29,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 19:57:29,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:29,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 19:57:29,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:29,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:29,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:29,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:29,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:29,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:29,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:29,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:29,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:57:29,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:29,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:29,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:29,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:29,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:29,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:29,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:29,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:57:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:29,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:29,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:29,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:29,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:29,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:57:29,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:29,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:29,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:29,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:29,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:29,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:29,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:29,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:29,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:29,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:29,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:29,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:29,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:29,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:29,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:29,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:29,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 19:57:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:29,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:29,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:29,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:57:29,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:29,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:57:29,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:29,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:29,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:29,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:29,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:29,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:29,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:29,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:29,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:29,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:29,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:29,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:29,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:29,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:29,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:29,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:29,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:29,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 19:57:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:29,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:29,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:29,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:29,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:29,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:57:29,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:29,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:57:29,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:29,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:57:29,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:29,591 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2020-10-27 19:57:29,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1424675478] [2020-10-27 19:57:29,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:57:29,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 19:57:29,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130364332] [2020-10-27 19:57:29,592 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 19:57:29,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:57:29,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 19:57:29,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 19:57:29,594 INFO L87 Difference]: Start difference. First operand 200 states and 229 transitions. Second operand 8 states. [2020-10-27 19:57:30,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:57:30,219 INFO L93 Difference]: Finished difference Result 218 states and 250 transitions. [2020-10-27 19:57:30,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 19:57:30,229 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 138 [2020-10-27 19:57:30,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:57:30,230 INFO L225 Difference]: With dead ends: 218 [2020-10-27 19:57:30,230 INFO L226 Difference]: Without dead ends: 214 [2020-10-27 19:57:30,231 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-27 19:57:30,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-10-27 19:57:30,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 212. [2020-10-27 19:57:30,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-10-27 19:57:30,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 241 transitions. [2020-10-27 19:57:30,259 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 241 transitions. Word has length 138 [2020-10-27 19:57:30,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:57:30,259 INFO L481 AbstractCegarLoop]: Abstraction has 212 states and 241 transitions. [2020-10-27 19:57:30,259 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 19:57:30,259 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 241 transitions. [2020-10-27 19:57:30,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-27 19:57:30,261 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:57:30,261 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:57:30,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 19:57:30,262 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:57:30,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:57:30,262 INFO L82 PathProgramCache]: Analyzing trace with hash 694351534, now seen corresponding path program 2 times [2020-10-27 19:57:30,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:57:30,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1929294849] [2020-10-27 19:57:30,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:57:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:30,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:30,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:30,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:35,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:35,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-27 19:57:35,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 19:57:35,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 19:57:35,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:35,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-27 19:57:35,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 19:57:35,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-27 19:57:35,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:35,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:57:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:35,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:35,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:35,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:35,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:35,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:57:35,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:35,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:35,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:35,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 19:57:35,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:35,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:57:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:35,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:35,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:35,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:57:35,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:35,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:35,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:35,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:35,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:35,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 19:57:35,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:35,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:35,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:35,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:35,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:35,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:35,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:57:35,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:35,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:35,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:35,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:57:35,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:35,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:35,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:35,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:35,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:35,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:35,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:35,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:35,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:35,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:35,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:35,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:35,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:57:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:35,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:35,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:35,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:35,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:35,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 19:57:35,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:35,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:35,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:35,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:57:35,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:35,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:35,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:35,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:35,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:35,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:35,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:35,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:35,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:35,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:35,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:35,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:35,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:57:35,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:35,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:35,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:35,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:57:35,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:35,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-27 19:57:35,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:35,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 19:57:35,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:35,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 19:57:35,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:35,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:35,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:35,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:35,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:35,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:35,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:35,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:35,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:35,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:35,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:35,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:35,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:35,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:35,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:35,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:57:35,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:35,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-27 19:57:35,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:35,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 19:57:35,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:35,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 19:57:35,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:35,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:35,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:35,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:35,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:35,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:35,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:57:35,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:35,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:35,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:35,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:57:35,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:35,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:35,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:35,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:35,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:35,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:35,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 19:57:35,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:35,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:57:35,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:35,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:57:35,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:35,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:35,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:35,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:35,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:35,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:35,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:35,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:35,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:35,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:35,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:57:35,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:35,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:57:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:35,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:35,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:35,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:57:35,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:35,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 19:57:35,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:35,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:57:35,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:35,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:57:35,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:35,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:35,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:35,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:35,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:35,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:35,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 19:57:35,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:35,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:57:35,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:35,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:57:35,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:36,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 19:57:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:36,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:36,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:36,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 19:57:36,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:36,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 280 [2020-10-27 19:57:36,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:36,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 19:57:36,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:57:36,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 19:57:36,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:36,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:36,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:36,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:36,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:57:36,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:36,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:57:36,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:36,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:36,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:36,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 19:57:36,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:36,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:57:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:36,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:36,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:36,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 19:57:36,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:36,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-27 19:57:36,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:36,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 19:57:36,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:57:36,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 19:57:36,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:36,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:36,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:36,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:36,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:57:36,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:36,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:57:36,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:36,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:36,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:36,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 19:57:36,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:36,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:57:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:36,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:36,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:36,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:36,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:36,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 19:57:36,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:36,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:57:36,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:36,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:57:36,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:36,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:36,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:36,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:36,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:36,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:36,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:36,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:36,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:36,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:36,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:57:36,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:36,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 19:57:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:36,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:36,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:36,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:57:36,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:36,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 19:57:36,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:36,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:57:36,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:57:36,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:57:36,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:36,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:36,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:37,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:37,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:37,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:37,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 19:57:37,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:37,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:57:37,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:37,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:57:37,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:37,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 19:57:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:37,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:37,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:37,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:57:37,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:37,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 19:57:37,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:37,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:57:37,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:57:37,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 19:57:37,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:37,284 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 52 proven. 17 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-10-27 19:57:37,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1929294849] [2020-10-27 19:57:37,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:57:37,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-27 19:57:37,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223448095] [2020-10-27 19:57:37,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-27 19:57:37,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:57:37,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-27 19:57:37,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=980, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 19:57:37,287 INFO L87 Difference]: Start difference. First operand 212 states and 241 transitions. Second operand 33 states. [2020-10-27 19:57:39,735 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-10-27 19:57:39,920 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2020-10-27 19:57:40,096 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2020-10-27 19:57:40,473 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2020-10-27 19:57:41,252 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-10-27 19:57:41,913 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2020-10-27 19:57:42,141 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2020-10-27 19:57:42,350 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2020-10-27 19:57:44,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:57:44,164 INFO L93 Difference]: Finished difference Result 319 states and 364 transitions. [2020-10-27 19:57:44,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-27 19:57:44,165 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 141 [2020-10-27 19:57:44,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:57:44,167 INFO L225 Difference]: With dead ends: 319 [2020-10-27 19:57:44,167 INFO L226 Difference]: Without dead ends: 231 [2020-10-27 19:57:44,169 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 887 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=526, Invalid=4166, Unknown=0, NotChecked=0, Total=4692 [2020-10-27 19:57:44,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-10-27 19:57:44,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 183. [2020-10-27 19:57:44,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-10-27 19:57:44,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 203 transitions. [2020-10-27 19:57:44,195 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 203 transitions. Word has length 141 [2020-10-27 19:57:44,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:57:44,196 INFO L481 AbstractCegarLoop]: Abstraction has 183 states and 203 transitions. [2020-10-27 19:57:44,196 INFO L482 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-27 19:57:44,196 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 203 transitions. [2020-10-27 19:57:44,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-27 19:57:44,197 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:57:44,198 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:57:44,198 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 19:57:44,198 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:57:44,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:57:44,199 INFO L82 PathProgramCache]: Analyzing trace with hash 790459467, now seen corresponding path program 3 times [2020-10-27 19:57:44,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:57:44,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1945793860] [2020-10-27 19:57:44,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:57:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:44,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:45,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:45,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:47,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:49,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:49,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:49,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-27 19:57:49,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 19:57:49,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5516 [2020-10-27 19:57:49,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:49,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-27 19:57:49,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 19:57:49,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-27 19:57:49,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:49,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:57:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:49,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:49,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:49,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:49,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:49,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:57:49,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:49,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:49,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:49,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 19:57:49,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:49,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:57:49,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:49,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:49,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:49,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:57:49,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:49,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:49,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:49,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:49,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:49,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 19:57:49,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:49,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:49,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:49,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:49,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:49,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:49,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:57:49,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:49,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:49,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:49,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:57:49,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:49,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:49,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:49,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:49,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:49,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:49,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:49,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:49,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:49,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:49,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:49,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:49,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:57:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:49,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:49,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:49,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:49,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:49,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:57:49,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:49,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:49,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:49,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:57:49,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:49,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:49,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:49,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:49,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:49,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:49,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:57:49,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:49,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:49,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:49,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:49,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:49,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:57:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:50,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:50,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:51,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:51,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:57:51,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:57:51,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1297 [2020-10-27 19:57:51,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:51,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 19:57:51,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:51,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 19:57:51,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:51,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:51,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:51,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:51,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:51,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:51,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 19:57:51,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:51,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:57:51,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:51,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:57:51,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:51,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:51,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:51,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:52,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:52,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:57:52,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:57:52,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 519 [2020-10-27 19:57:52,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:52,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 19:57:52,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:52,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 19:57:52,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:52,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:52,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:52,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:52,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:52,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:52,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:57:52,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:52,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:57:52,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:52,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:57:52,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:52,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:52,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:52,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:52,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:52,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:52,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 19:57:52,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:52,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:57:52,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:52,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:57:52,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:52,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:52,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:52,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:52,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:52,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:52,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:52,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:52,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:52,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:52,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:57:52,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:52,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:57:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:52,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:52,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:52,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:57:52,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:52,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 19:57:52,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:52,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 19:57:52,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:57:52,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:57:52,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:53,049 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2020-10-27 19:57:53,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:53,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:53,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:53,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:53,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:53,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 19:57:53,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:53,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:57:53,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:57:53,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:57:53,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:53,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 19:57:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:53,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:53,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:53,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 19:57:53,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:53,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 412 [2020-10-27 19:57:53,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:53,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-27 19:57:53,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:57:53,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 19:57:53,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:53,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:53,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:53,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:53,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:57:53,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:53,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:57:53,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:53,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:53,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:53,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 19:57:53,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:53,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:57:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:53,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:54,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:54,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 19:57:54,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:54,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-10-27 19:57:54,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:54,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-27 19:57:54,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:57:54,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 19:57:54,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:54,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:54,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:54,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:54,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:57:54,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:54,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:57:54,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:54,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:54,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:54,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 19:57:54,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:54,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:57:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:54,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:54,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:54,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:54,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:54,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 19:57:54,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:54,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 19:57:54,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:57:54,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 19:57:54,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:54,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:54,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:54,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:54,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:54,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:54,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:57:54,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:54,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:54,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:54,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:57:54,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:54,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 19:57:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:54,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:54,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:54,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:57:54,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:54,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-27 19:57:54,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:54,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 19:57:54,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:57:54,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:57:54,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:55,247 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2020-10-27 19:57:55,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:55,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:55,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:55,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:55,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:55,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 19:57:55,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:55,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:57:55,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:57:55,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:57:55,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:55,651 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2020-10-27 19:57:55,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 19:57:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:55,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:55,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:55,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:55,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:55,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 19:57:55,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:55,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:57:55,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:57:55,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:57:55,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:56,193 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 46 proven. 61 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-10-27 19:57:56,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1945793860] [2020-10-27 19:57:56,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:57:56,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2020-10-27 19:57:56,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991968235] [2020-10-27 19:57:56,194 INFO L461 AbstractCegarLoop]: Interpolant automaton has 43 states [2020-10-27 19:57:56,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:57:56,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2020-10-27 19:57:56,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1712, Unknown=0, NotChecked=0, Total=1806 [2020-10-27 19:57:56,195 INFO L87 Difference]: Start difference. First operand 183 states and 203 transitions. Second operand 43 states. [2020-10-27 19:57:58,024 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2020-10-27 19:57:58,290 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 75 [2020-10-27 19:57:58,600 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 56 [2020-10-27 19:57:59,135 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2020-10-27 19:57:59,645 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 131 [2020-10-27 19:57:59,906 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2020-10-27 19:58:00,226 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2020-10-27 19:58:00,605 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 106 [2020-10-27 19:58:01,057 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 96 [2020-10-27 19:58:01,372 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 61 [2020-10-27 19:58:01,715 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2020-10-27 19:58:02,071 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 79 [2020-10-27 19:58:02,388 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 57 [2020-10-27 19:58:03,070 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-27 19:58:03,449 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 19:58:03,817 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-27 19:58:04,060 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2020-10-27 19:58:10,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:58:10,080 INFO L93 Difference]: Finished difference Result 323 states and 370 transitions. [2020-10-27 19:58:10,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-27 19:58:10,081 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 144 [2020-10-27 19:58:10,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:58:10,084 INFO L225 Difference]: With dead ends: 323 [2020-10-27 19:58:10,084 INFO L226 Difference]: Without dead ends: 226 [2020-10-27 19:58:10,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1080 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=549, Invalid=6093, Unknown=0, NotChecked=0, Total=6642 [2020-10-27 19:58:10,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-10-27 19:58:10,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 186. [2020-10-27 19:58:10,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-10-27 19:58:10,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 202 transitions. [2020-10-27 19:58:10,113 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 202 transitions. Word has length 144 [2020-10-27 19:58:10,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:58:10,113 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 202 transitions. [2020-10-27 19:58:10,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 43 states. [2020-10-27 19:58:10,114 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 202 transitions. [2020-10-27 19:58:10,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-27 19:58:10,116 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:58:10,116 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:58:10,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 19:58:10,117 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:58:10,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:58:10,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1399941233, now seen corresponding path program 1 times [2020-10-27 19:58:10,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:58:10,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [760679870] [2020-10-27 19:58:10,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:58:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:10,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:10,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:10,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:10,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:11,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:12,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:14,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-27 19:58:15,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 19:58:15,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 19:58:15,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:58:15,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-10-27 19:58:15,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 19:58:15,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:58:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:15,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:15,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:15,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:58:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:58:15,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:58:15,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:15,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:15,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:15,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:15,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:58:15,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:15,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:15,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:15,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:15,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:58:15,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:15,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:15,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:15,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:58:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:15,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:58:15,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:15,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:15,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:15,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:15,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:58:15,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:15,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:15,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:15,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:58:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:58:15,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 19:58:15,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:15,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:15,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:15,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:58:15,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:15,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:15,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:15,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:15,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:58:15,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 19:58:15,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:15,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:15,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:15,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:58:15,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:15,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:15,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:15,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:15,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:15,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:15,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:15,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:15,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:15,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:15,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:58:15,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:15,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:15,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:15,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:58:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:58:15,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:58:15,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:15,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:15,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:15,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:15,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:15,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:15,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:15,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:15,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 19:58:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 19:58:15,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 19:58:15,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:15,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:15,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:15,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:58:15,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:15,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:15,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:15,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:15,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:58:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 19:58:15,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 19:58:15,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:15,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:15,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:15,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:58:15,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:15,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:15,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:15,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:15,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:58:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:15,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:15,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:15,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:15,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:15,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:15,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:58:15,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:15,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:15,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:15,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 19:58:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:58:15,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:58:15,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:15,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:15,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:15,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:15,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:15,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:15,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:15,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:15,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 19:58:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 19:58:15,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 19:58:15,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:58:15,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 19:58:15,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 19:58:15,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:58:15,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 19:58:15,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:58:15,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:15,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:58:15,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:15,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 19:58:15,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:58:15,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:58:15,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 19:58:15,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 19:58:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 19:58:15,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:58:15,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 19:58:15,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:15,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 19:58:15,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:15,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:58:15,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:15,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:15,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:15,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:15,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:15,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:15,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:15,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:15,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:15,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-27 19:58:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:58:15,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:15,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:15,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 19:58:15,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:15,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:15,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:15,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:15,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:15,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:15,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:58:15,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:15,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:15,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:15,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:15,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:15,781 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2020-10-27 19:58:15,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [760679870] [2020-10-27 19:58:15,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:58:15,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 19:58:15,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106736998] [2020-10-27 19:58:15,782 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 19:58:15,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:58:15,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 19:58:15,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-27 19:58:15,783 INFO L87 Difference]: Start difference. First operand 186 states and 202 transitions. Second operand 12 states. [2020-10-27 19:58:17,494 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2020-10-27 19:58:18,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:58:18,506 INFO L93 Difference]: Finished difference Result 318 states and 357 transitions. [2020-10-27 19:58:18,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 19:58:18,507 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 174 [2020-10-27 19:58:18,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:58:18,509 INFO L225 Difference]: With dead ends: 318 [2020-10-27 19:58:18,509 INFO L226 Difference]: Without dead ends: 257 [2020-10-27 19:58:18,510 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=179, Invalid=471, Unknown=0, NotChecked=0, Total=650 [2020-10-27 19:58:18,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-10-27 19:58:18,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 201. [2020-10-27 19:58:18,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-10-27 19:58:18,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 222 transitions. [2020-10-27 19:58:18,553 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 222 transitions. Word has length 174 [2020-10-27 19:58:18,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:58:18,558 INFO L481 AbstractCegarLoop]: Abstraction has 201 states and 222 transitions. [2020-10-27 19:58:18,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 19:58:18,558 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 222 transitions. [2020-10-27 19:58:18,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-27 19:58:18,563 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:58:18,563 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:58:18,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 19:58:18,566 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:58:18,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:58:18,566 INFO L82 PathProgramCache]: Analyzing trace with hash 810558283, now seen corresponding path program 1 times [2020-10-27 19:58:18,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:58:18,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [598933305] [2020-10-27 19:58:18,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:58:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:18,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:18,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:19,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:19,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:23,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:23,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-27 19:58:23,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 19:58:23,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 19:58:23,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:23,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 19:58:23,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-10-27 19:58:23,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:58:23,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:23,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:58:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:23,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:23,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:23,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:23,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:23,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:23,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:23,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:23,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:23,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:23,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:23,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:58:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:23,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:23,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:23,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:58:23,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:23,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:58:23,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:23,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:23,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:23,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:23,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:23,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:23,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:23,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:23,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:23,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:23,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:23,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:23,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:23,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:23,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:23,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:23,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:23,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:23,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:23,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:23,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:23,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:23,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:23,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:23,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:23,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:23,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:23,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:58:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:23,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:23,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:23,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:23,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:23,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:23,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:23,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:23,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:23,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:23,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:23,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:23,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:23,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:23,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:23,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:23,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:58:23,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:23,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:23,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:23,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:23,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 24 [2020-10-27 19:58:23,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:58:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:23,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:23,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:23,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:58:23,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:23,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 19:58:23,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:23,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:23,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:23,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:23,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:23,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:23,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:23,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:23,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:58:23,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:23,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:23,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:23,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:23,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:23,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:23,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:23,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:23,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:23,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:23,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:23,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:58:23,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:23,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 19:58:23,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:23,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:23,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:23,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:23,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:23,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:23,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:23,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:23,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:58:23,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:23,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:23,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:23,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:23,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:23,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:23,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:23,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:23,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:23,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:23,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:23,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:23,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:23,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:23,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:23,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:23,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:23,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:23,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:23,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:23,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:23,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:23,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:23,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:58:23,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:23,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:23,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:23,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:23,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:23,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:58:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:23,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:23,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:23,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:58:23,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:23,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:58:23,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:23,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:23,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:23,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:23,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:23,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:23,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:23,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:23,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:23,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:23,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:23,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:23,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:23,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:23,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:23,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:23,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 19:58:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:23,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:23,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:23,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 19:58:23,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:23,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 19:58:23,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:23,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:23,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:23,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:23,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:23,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:23,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:23,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:23,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:58:23,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:23,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:23,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:23,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:23,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:23,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:23,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:23,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:58:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:23,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:23,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:23,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 19:58:23,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:23,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 19:58:23,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:23,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:23,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:23,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:23,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:23,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:23,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:23,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:23,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:58:23,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:23,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:23,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:23,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:23,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:23,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:23,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:23,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:58:23,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:23,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:23,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:23,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:23,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:23,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:23,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:23,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:23,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:23,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:23,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:23,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:23,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:23,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:23,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:23,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:23,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:58:23,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:23,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:23,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:23,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:23,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:23,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 19:58:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:23,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:23,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:23,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:58:23,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:23,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:58:23,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:23,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:23,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:23,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:23,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:23,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:23,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:23,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:23,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:23,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:23,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:23,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:23,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:23,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:23,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:23,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:23,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 19:58:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:23,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:23,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:23,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 19:58:23,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:23,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-27 19:58:23,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:23,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 19:58:23,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 19:58:23,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:58:23,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:24,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:24,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:24,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:24,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:58:24,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:24,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 19:58:24,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:24,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:58:24,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:24,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:58:24,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:24,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:24,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:24,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:24,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 19:58:24,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:24,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 19:58:24,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:24,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 19:58:24,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:58:24,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 19:58:24,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:24,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 19:58:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:24,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:24,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:24,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:24,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 19:58:24,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:58:24,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-27 19:58:24,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:24,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:24,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 19:58:24,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:24,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:24,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:24,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:24,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:24,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:58:24,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:24,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:24,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:24,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:24,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:24,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:24,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:24,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:24,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:24,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:24,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 19:58:24,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:24,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:58:24,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:24,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:24,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:24,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:24,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:24,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-27 19:58:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:24,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:24,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:24,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:58:24,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:24,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:58:24,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:24,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:24,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 19:58:24,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:24,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:24,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:24,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:24,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:24,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:24,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:24,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:24,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:24,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:24,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:24,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:24,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:24,422 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-10-27 19:58:24,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [598933305] [2020-10-27 19:58:24,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:58:24,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 19:58:24,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580139998] [2020-10-27 19:58:24,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 19:58:24,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:58:24,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 19:58:24,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-10-27 19:58:24,424 INFO L87 Difference]: Start difference. First operand 201 states and 222 transitions. Second operand 14 states. [2020-10-27 19:58:26,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:58:26,478 INFO L93 Difference]: Finished difference Result 329 states and 390 transitions. [2020-10-27 19:58:26,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 19:58:26,478 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 180 [2020-10-27 19:58:26,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:58:26,480 INFO L225 Difference]: With dead ends: 329 [2020-10-27 19:58:26,481 INFO L226 Difference]: Without dead ends: 233 [2020-10-27 19:58:26,482 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552 [2020-10-27 19:58:26,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2020-10-27 19:58:26,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 223. [2020-10-27 19:58:26,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-10-27 19:58:26,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 256 transitions. [2020-10-27 19:58:26,519 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 256 transitions. Word has length 180 [2020-10-27 19:58:26,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:58:26,519 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 256 transitions. [2020-10-27 19:58:26,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 19:58:26,519 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 256 transitions. [2020-10-27 19:58:26,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-27 19:58:26,522 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:58:26,522 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:58:26,522 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 19:58:26,522 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:58:26,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:58:26,522 INFO L82 PathProgramCache]: Analyzing trace with hash 4187043, now seen corresponding path program 1 times [2020-10-27 19:58:26,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:58:26,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2035698790] [2020-10-27 19:58:26,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:58:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:26,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:26,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:27,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:27,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:31,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:31,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-27 19:58:31,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 19:58:31,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-27 19:58:31,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:31,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-27 19:58:31,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 19:58:31,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 209 [2020-10-27 19:58:31,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:31,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:58:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:31,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:31,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:31,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:31,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:31,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:58:31,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:31,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:31,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:31,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 19:58:31,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:31,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:58:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:31,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:31,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:31,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:58:31,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:31,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:31,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:31,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:31,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:31,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 19:58:31,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:31,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:31,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:31,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:31,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:31,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:31,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 19:58:31,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:31,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:58:31,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:31,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:58:31,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:31,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:31,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:31,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:31,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:31,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:31,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:58:31,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:31,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:31,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:31,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:58:31,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:31,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:58:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:31,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:31,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:31,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:31,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:31,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 19:58:31,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:31,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 19:58:31,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:58:31,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 19:58:31,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:32,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:32,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:32,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:32,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:32,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:32,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:32,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:32,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:32,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:32,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:58:32,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:32,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:58:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:32,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:32,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:32,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:58:32,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:32,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 19:58:32,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:32,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:32,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:32,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 19:58:32,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:32,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:32,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:32,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:32,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:58:32,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:32,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:32,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:32,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:32,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:32,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:32,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:32,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:32,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:32,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:32,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:58:32,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:32,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 19:58:32,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:32,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:32,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:32,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:32,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:32,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:32,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:32,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:32,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:58:32,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:32,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:32,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:32,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:32,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:32,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:32,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:32,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:32,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:32,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:32,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:32,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:32,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:32,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:32,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:32,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:32,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:32,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:32,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:32,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:32,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:32,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:32,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:32,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:58:32,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:32,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:32,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:32,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:32,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:32,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:58:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:32,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:32,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:32,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:58:32,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:32,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:58:32,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:32,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:32,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:32,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:32,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:32,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:32,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:32,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:32,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:32,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:32,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:32,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:32,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:32,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:32,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:32,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:32,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 19:58:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:32,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:32,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:32,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 19:58:32,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:32,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-10-27 19:58:32,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:32,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 19:58:32,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:32,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-27 19:58:32,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:32,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:32,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:32,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:32,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:58:32,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:32,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:58:32,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:32,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:32,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:32,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 19:58:32,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:32,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:58:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:32,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:32,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:32,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 19:58:32,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:32,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-27 19:58:32,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:32,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 19:58:32,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:32,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 19:58:32,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:32,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:33,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:33,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:33,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:58:33,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:33,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:58:33,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:33,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:33,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:33,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 19:58:33,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:33,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:58:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:33,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:33,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:33,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:33,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:33,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:58:33,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:33,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:33,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:33,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:58:33,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:33,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:33,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:33,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:33,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:33,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:33,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:58:33,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:33,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:33,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:33,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:33,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:33,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 19:58:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:33,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:33,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:33,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:58:33,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:33,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 19:58:33,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:33,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 19:58:33,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:58:33,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:58:33,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:34,085 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2020-10-27 19:58:34,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:34,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:34,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:34,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:34,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:34,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 249 [2020-10-27 19:58:34,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:34,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:58:34,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:58:34,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:58:34,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0