/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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 [2020-10-28 14:39:57,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 14:39:57,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 14:39:58,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 14:39:58,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 14:39:58,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 14:39:58,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 14:39:58,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 14:39:58,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 14:39:58,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 14:39:58,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 14:39:58,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 14:39:58,058 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 14:39:58,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 14:39:58,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 14:39:58,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 14:39:58,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 14:39:58,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 14:39:58,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 14:39:58,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 14:39:58,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 14:39:58,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 14:39:58,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 14:39:58,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 14:39:58,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 14:39:58,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 14:39:58,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 14:39:58,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 14:39:58,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 14:39:58,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 14:39:58,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 14:39:58,101 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 14:39:58,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 14:39:58,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 14:39:58,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 14:39:58,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 14:39:58,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 14:39:58,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 14:39:58,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 14:39:58,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 14:39:58,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 14:39:58,130 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 [2020-10-28 14:39:58,178 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 14:39:58,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 14:39:58,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 14:39:58,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 14:39:58,183 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 14:39:58,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 14:39:58,184 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 14:39:58,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 14:39:58,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 14:39:58,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 14:39:58,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 14:39:58,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 14:39:58,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 14:39:58,186 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 14:39:58,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 14:39:58,187 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 14:39:58,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 14:39:58,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 14:39:58,188 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 14:39:58,188 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 14:39:58,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 14:39:58,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 14:39:58,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 14:39:58,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 14:39:58,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 14:39:58,190 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 14:39:58,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 14:39:58,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 14:39:58,190 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 14:39:58,191 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 14:39:58,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 14:39:58,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 14:39:58,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 14:39:58,663 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 14:39:58,664 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 14:39:58,665 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_mutex_double_unlock.i [2020-10-28 14:39:58,755 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/60b760ea9/7325666ebb354024aa270ae34315e00c/FLAG9f465e9fc [2020-10-28 14:39:59,504 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 14:39:59,505 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_mutex_double_unlock.i [2020-10-28 14:39:59,529 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/60b760ea9/7325666ebb354024aa270ae34315e00c/FLAG9f465e9fc [2020-10-28 14:39:59,783 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/60b760ea9/7325666ebb354024aa270ae34315e00c [2020-10-28 14:39:59,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 14:39:59,797 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 14:39:59,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 14:39:59,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 14:39:59,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 14:39:59,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:39:59" (1/1) ... [2020-10-28 14:39:59,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40cf9111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:39:59, skipping insertion in model container [2020-10-28 14:39:59,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:39:59" (1/1) ... [2020-10-28 14:39:59,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 14:39:59,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 14:40:00,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:40:00,301 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 14:40:00,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:40:00,495 INFO L208 MainTranslator]: Completed translation [2020-10-28 14:40:00,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:00 WrapperNode [2020-10-28 14:40:00,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 14:40:00,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 14:40:00,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 14:40:00,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 14:40:00,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:00" (1/1) ... [2020-10-28 14:40:00,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:00" (1/1) ... [2020-10-28 14:40:00,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:00" (1/1) ... [2020-10-28 14:40:00,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:00" (1/1) ... [2020-10-28 14:40:00,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:00" (1/1) ... [2020-10-28 14:40:00,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:00" (1/1) ... [2020-10-28 14:40:00,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:00" (1/1) ... [2020-10-28 14:40:00,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 14:40:00,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 14:40:00,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 14:40:00,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 14:40:00,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:00" (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 [2020-10-28 14:40:00,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 14:40:00,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 14:40:00,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-28 14:40:00,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-28 14:40:00,699 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 14:40:00,699 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 14:40:00,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 14:40:00,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-10-28 14:40:00,700 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-28 14:40:00,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-28 14:40:00,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-28 14:40:00,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-28 14:40:00,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-28 14:40:00,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-28 14:40:00,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-10-28 14:40:00,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-10-28 14:40:00,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-28 14:40:00,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-10-28 14:40:00,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-10-28 14:40:00,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-10-28 14:40:00,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 14:40:00,701 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-28 14:40:00,702 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-28 14:40:00,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 14:40:00,702 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-10-28 14:40:00,702 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 14:40:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-28 14:40:00,702 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-28 14:40:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-28 14:40:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-28 14:40:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-28 14:40:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-28 14:40:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-28 14:40:00,703 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-28 14:40:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-28 14:40:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-28 14:40:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-28 14:40:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-28 14:40:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-28 14:40:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-28 14:40:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-28 14:40:00,704 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-28 14:40:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-28 14:40:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-28 14:40:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-28 14:40:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-28 14:40:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-28 14:40:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-28 14:40:00,705 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-28 14:40:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-28 14:40:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-28 14:40:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-28 14:40:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-28 14:40:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-28 14:40:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-28 14:40:00,706 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-28 14:40:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-28 14:40:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-28 14:40:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-28 14:40:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-28 14:40:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-28 14:40:00,707 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-28 14:40:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-28 14:40:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-28 14:40:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-28 14:40:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-28 14:40:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-28 14:40:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-28 14:40:00,708 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-28 14:40:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-28 14:40:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-28 14:40:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-28 14:40:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-28 14:40:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-28 14:40:00,709 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-28 14:40:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-28 14:40:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-28 14:40:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-28 14:40:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 14:40:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 14:40:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-28 14:40:00,710 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 14:40:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-28 14:40:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-28 14:40:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-28 14:40:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-28 14:40:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 14:40:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-28 14:40:00,711 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-28 14:40:00,712 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 14:40:00,712 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-28 14:40:00,712 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-28 14:40:00,712 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-28 14:40:00,712 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-28 14:40:00,712 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-28 14:40:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-28 14:40:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-28 14:40:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-28 14:40:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-28 14:40:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-28 14:40:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-28 14:40:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-28 14:40:00,714 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-28 14:40:00,714 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-28 14:40:00,714 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-28 14:40:00,714 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-28 14:40:00,714 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-28 14:40:00,714 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-28 14:40:00,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-28 14:40:00,715 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-28 14:40:00,715 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-28 14:40:00,715 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-28 14:40:00,715 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-28 14:40:00,715 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-28 14:40:00,715 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-28 14:40:00,715 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-28 14:40:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-28 14:40:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-28 14:40:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-28 14:40:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-28 14:40:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-28 14:40:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-28 14:40:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-28 14:40:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-28 14:40:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-28 14:40:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-28 14:40:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-28 14:40:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-28 14:40:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 14:40:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 14:40:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 14:40:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 14:40:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 14:40:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 14:40:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 14:40:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 14:40:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 14:40:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-10-28 14:40:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-28 14:40:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 14:40:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-28 14:40:00,719 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-28 14:40:00,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-28 14:40:00,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 14:40:00,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-28 14:40:00,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-28 14:40:00,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-10-28 14:40:00,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-10-28 14:40:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-28 14:40:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-10-28 14:40:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-10-28 14:40:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-10-28 14:40:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 14:40:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 14:40:00,721 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-28 14:40:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-28 14:40:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 14:40:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-10-28 14:40:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 14:40:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 14:40:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 14:40:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 14:40:00,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 14:40:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 14:40:00,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 14:40:01,396 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 14:40:01,396 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-28 14:40:01,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:40:01 BoogieIcfgContainer [2020-10-28 14:40:01,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 14:40:01,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 14:40:01,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 14:40:01,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 14:40:01,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 02:39:59" (1/3) ... [2020-10-28 14:40:01,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4968926c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:40:01, skipping insertion in model container [2020-10-28 14:40:01,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:00" (2/3) ... [2020-10-28 14:40:01,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4968926c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:40:01, skipping insertion in model container [2020-10-28 14:40:01,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:40:01" (3/3) ... [2020-10-28 14:40:01,412 INFO L111 eAbstractionObserver]: Analyzing ICFG test_mutex_double_unlock.i [2020-10-28 14:40:01,425 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 14:40:01,431 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 14:40:01,445 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 14:40:01,489 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 14:40:01,489 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 14:40:01,490 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 14:40:01,490 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 14:40:01,491 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 14:40:01,491 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 14:40:01,491 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 14:40:01,491 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 14:40:01,517 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-10-28 14:40:01,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-28 14:40:01,525 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:40:01,527 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] [2020-10-28 14:40:01,528 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:40:01,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:40:01,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1326439761, now seen corresponding path program 1 times [2020-10-28 14:40:01,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:40:01,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [290647106] [2020-10-28 14:40:01,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:40:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:01,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:01,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:01,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:02,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:02,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:02,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 14:40:02,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 14:40:02,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 486 [2020-10-28 14:40:02,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:02,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:02,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:02,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 14:40:02,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:02,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 14:40:02,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:40:02,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:02,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:02,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:02,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:40:02,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:02,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 14:40:02,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:02,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:02,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:02,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:02,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:02,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:02,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:40:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:02,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:02,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:02,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 14:40:02,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:02,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:40:02,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:02,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:02,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:02,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:02,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:02,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:02,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:02,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:02,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:02,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:02,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:02,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:40:02,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-28 14:40:02,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:02,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:02,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:02,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:40:02,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:02,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:02,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:02,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:02,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:02,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:02,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:02,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:40:02,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:02,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:02,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:02,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 14:40:02,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:02,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:02,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 14:40:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:02,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:02,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:02,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:02,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:02,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 14:40:02,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:02,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:02,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:02,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:40:02,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:02,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 14:40:02,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:02,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:02,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:02,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:02,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:02,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 14:40:02,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:02,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:02,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:02,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 14:40:02,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:02,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:02,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 14:40:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:02,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:02,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:02,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:02,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:02,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:40:02,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 14:40:02,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:02,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:02,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:02,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 14:40:02,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:02,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:02,545 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-28 14:40:02,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [290647106] [2020-10-28 14:40:02,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:40:02,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 14:40:02,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654153404] [2020-10-28 14:40:02,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 14:40:02,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:40:02,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 14:40:02,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 14:40:02,570 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 4 states. [2020-10-28 14:40:02,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:40:02,890 INFO L93 Difference]: Finished difference Result 222 states and 280 transitions. [2020-10-28 14:40:02,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 14:40:02,892 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2020-10-28 14:40:02,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:40:02,903 INFO L225 Difference]: With dead ends: 222 [2020-10-28 14:40:02,904 INFO L226 Difference]: Without dead ends: 111 [2020-10-28 14:40:02,908 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 14:40:02,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-28 14:40:02,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 98. [2020-10-28 14:40:02,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-28 14:40:02,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 110 transitions. [2020-10-28 14:40:02,974 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 110 transitions. Word has length 44 [2020-10-28 14:40:02,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:40:02,975 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 110 transitions. [2020-10-28 14:40:02,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 14:40:02,975 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 110 transitions. [2020-10-28 14:40:02,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-28 14:40:02,977 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:40:02,977 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] [2020-10-28 14:40:02,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 14:40:02,978 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:40:02,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:40:02,979 INFO L82 PathProgramCache]: Analyzing trace with hash -547812891, now seen corresponding path program 1 times [2020-10-28 14:40:02,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:40:02,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1121007031] [2020-10-28 14:40:02,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:40:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:03,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:03,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:03,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 14:40:03,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:03,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-28 14:40:03,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:03,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:03,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 14:40:03,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-28 14:40:03,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 14:40:03,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:03,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:40:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:03,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:03,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:03,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:40:03,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:03,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:40:03,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:03,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:03,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:03,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:03,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:03,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:03,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:40:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:03,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:03,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:03,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 14:40:03,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:03,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 14:40:03,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:03,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:03,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:03,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:03,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:03,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:03,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:03,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:03,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:03,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:03,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:03,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:40:03,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:03,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:03,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:03,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:03,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:03,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:03,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:03,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:03,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:03,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:03,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:03,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:40:03,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:03,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:03,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:03,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:03,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:03,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:03,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 14:40:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:03,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:03,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:03,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:03,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:03,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:40:03,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:03,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:03,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:03,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:03,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:03,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:03,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:03,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:03,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:03,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:03,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:03,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:40:03,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:03,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:03,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:03,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:03,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:03,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:03,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 14:40:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:03,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:03,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:03,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:03,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:03,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 14:40:03,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:03,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:03,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 14:40:03,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:03,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:40:03,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:03,315 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-28 14:40:03,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1121007031] [2020-10-28 14:40:03,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:40:03,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 14:40:03,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769516215] [2020-10-28 14:40:03,318 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 14:40:03,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:40:03,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 14:40:03,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-28 14:40:03,319 INFO L87 Difference]: Start difference. First operand 98 states and 110 transitions. Second operand 6 states. [2020-10-28 14:40:03,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:40:03,771 INFO L93 Difference]: Finished difference Result 119 states and 138 transitions. [2020-10-28 14:40:03,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 14:40:03,772 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2020-10-28 14:40:03,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:40:03,775 INFO L225 Difference]: With dead ends: 119 [2020-10-28 14:40:03,775 INFO L226 Difference]: Without dead ends: 115 [2020-10-28 14:40:03,776 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 [2020-10-28 14:40:03,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-28 14:40:03,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 102. [2020-10-28 14:40:03,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-28 14:40:03,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 116 transitions. [2020-10-28 14:40:03,797 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 116 transitions. Word has length 44 [2020-10-28 14:40:03,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:40:03,797 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 116 transitions. [2020-10-28 14:40:03,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 14:40:03,797 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 116 transitions. [2020-10-28 14:40:03,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-28 14:40:03,799 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:40:03,799 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] [2020-10-28 14:40:03,799 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 14:40:03,800 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:40:03,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:40:03,800 INFO L82 PathProgramCache]: Analyzing trace with hash 817475022, now seen corresponding path program 1 times [2020-10-28 14:40:03,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:40:03,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [694960913] [2020-10-28 14:40:03,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:40:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:03,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:04,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:04,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 14:40:04,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:04,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 383 [2020-10-28 14:40:04,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:04,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:04,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 14:40:04,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 14:40:04,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-28 14:40:04,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:04,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:40:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:04,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:04,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:04,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:40:04,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:04,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 14:40:04,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:04,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:04,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:04,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:04,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 14:40:04,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:04,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:40:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:04,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:04,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:04,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 14:40:04,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:04,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:40:04,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:04,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:04,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:04,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:04,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 14:40:04,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:04,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:04,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:04,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:04,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:04,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:04,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 14:40:04,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:04,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:04,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:04,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:04,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 14:40:04,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:04,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:04,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:04,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:04,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:04,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:04,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:40:04,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:04,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:04,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:04,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:04,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:04,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:04,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 14:40:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:04,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:04,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:04,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:04,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:04,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 14:40:04,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:04,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:04,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:04,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:04,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 14:40:04,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:04,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:04,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:04,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:04,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:04,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:04,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:40:04,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:04,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:04,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:04,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:04,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:04,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:04,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 14:40:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:04,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:04,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:04,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:04,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:04,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 14:40:04,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:04,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:04,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:40:04,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 14:40:04,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:40:04,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:04,525 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-28 14:40:04,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [694960913] [2020-10-28 14:40:04,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:40:04,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 14:40:04,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108976267] [2020-10-28 14:40:04,526 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 14:40:04,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:40:04,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 14:40:04,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-28 14:40:04,528 INFO L87 Difference]: Start difference. First operand 102 states and 116 transitions. Second operand 7 states. [2020-10-28 14:40:05,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:40:05,893 INFO L93 Difference]: Finished difference Result 289 states and 352 transitions. [2020-10-28 14:40:05,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 14:40:05,897 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2020-10-28 14:40:05,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:40:05,901 INFO L225 Difference]: With dead ends: 289 [2020-10-28 14:40:05,901 INFO L226 Difference]: Without dead ends: 201 [2020-10-28 14:40:05,903 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-10-28 14:40:05,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-10-28 14:40:05,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 163. [2020-10-28 14:40:05,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-10-28 14:40:05,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 196 transitions. [2020-10-28 14:40:05,965 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 196 transitions. Word has length 44 [2020-10-28 14:40:05,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:40:05,965 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 196 transitions. [2020-10-28 14:40:05,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 14:40:05,965 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 196 transitions. [2020-10-28 14:40:05,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-28 14:40:05,971 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:40:05,971 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] [2020-10-28 14:40:05,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 14:40:05,971 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:40:05,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:40:05,975 INFO L82 PathProgramCache]: Analyzing trace with hash -847406493, now seen corresponding path program 1 times [2020-10-28 14:40:05,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:40:05,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1881050149] [2020-10-28 14:40:05,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:40:06,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:06,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:06,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:06,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:06,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 14:40:06,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:40:06,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 527 [2020-10-28 14:40:06,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:06,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:06,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 14:40:06,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-28 14:40:06,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 14:40:06,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:06,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:40:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:06,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:06,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:06,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:40:06,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:06,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:40:06,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:06,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:06,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:06,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:06,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:06,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:06,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:40:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:06,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:06,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:06,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 14:40:06,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:06,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 14:40:06,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:06,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:06,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:06,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:06,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:06,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:06,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:06,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:06,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:06,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:06,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:06,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:40:06,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:06,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:06,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:06,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:06,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:06,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:06,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:06,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:06,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:06,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:06,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:06,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 14:40:06,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:06,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:06,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:06,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:06,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:06,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:06,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 14:40:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:06,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:06,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:06,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:06,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:06,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 14:40:06,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:06,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:06,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:06,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:06,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:06,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:06,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:06,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:06,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:06,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:06,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:06,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:40:06,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:06,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:06,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:06,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:06,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:06,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:06,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:40:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:06,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:06,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:06,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 14:40:06,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:06,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-28 14:40:06,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:06,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:06,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 14:40:06,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 14:40:06,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 14:40:06,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:06,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:06,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:06,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:06,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:06,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:06,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:40:06,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:06,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:06,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:06,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:06,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:06,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:06,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:06,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:06,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:06,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 14:40:06,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:06,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 14:40:06,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:06,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:06,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 14:40:06,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 14:40:06,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 14:40:06,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:06,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:06,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:06,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:06,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:06,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:06,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 14:40:06,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:06,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:06,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 14:40:06,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:06,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:40:06,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:06,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 14:40:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:06,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:06,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:06,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:06,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 14:40:06,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:40:06,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-28 14:40:06,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:06,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:06,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:06,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-28 14:40:06,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:06,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:06,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:06,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:06,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:06,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:06,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:06,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:40:06,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:06,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:06,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:06,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:06,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:06,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:06,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:06,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:06,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:07,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:07,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 14:40:07,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:40:07,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 14:40:07,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:07,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:07,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:07,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:07,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:07,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:07,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:07,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:07,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:07,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:07,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:07,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:40:07,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:07,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:07,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:07,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:07,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:07,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:07,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 14:40:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:07,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:07,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:07,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:07,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:07,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:40:07,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:07,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:07,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:07,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:40:07,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:07,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:07,042 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2020-10-28 14:40:07,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1881050149] [2020-10-28 14:40:07,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:40:07,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 14:40:07,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706262962] [2020-10-28 14:40:07,044 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 14:40:07,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:40:07,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 14:40:07,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-28 14:40:07,045 INFO L87 Difference]: Start difference. First operand 163 states and 196 transitions. Second operand 7 states. [2020-10-28 14:40:07,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:40:07,736 INFO L93 Difference]: Finished difference Result 297 states and 357 transitions. [2020-10-28 14:40:07,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 14:40:07,738 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2020-10-28 14:40:07,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:40:07,741 INFO L225 Difference]: With dead ends: 297 [2020-10-28 14:40:07,741 INFO L226 Difference]: Without dead ends: 171 [2020-10-28 14:40:07,748 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-28 14:40:07,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-28 14:40:07,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2020-10-28 14:40:07,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-10-28 14:40:07,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 202 transitions. [2020-10-28 14:40:07,798 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 202 transitions. Word has length 92 [2020-10-28 14:40:07,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:40:07,799 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 202 transitions. [2020-10-28 14:40:07,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 14:40:07,799 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 202 transitions. [2020-10-28 14:40:07,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-28 14:40:07,804 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:40:07,808 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] [2020-10-28 14:40:07,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 14:40:07,808 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:40:07,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:40:07,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1930944587, now seen corresponding path program 1 times [2020-10-28 14:40:07,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:40:07,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [699279454] [2020-10-28 14:40:07,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:40:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:07,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:07,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:08,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:08,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:12,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:12,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 14:40:12,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 14:40:12,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 14:40:12,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:12,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:12,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-28 14:40:12,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 14:40:12,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-28 14:40:12,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:12,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:40:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:12,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:12,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:12,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:40:12,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:12,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 14:40:12,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:12,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:12,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:12,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:12,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 14:40:12,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:12,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:40:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:12,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:12,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:12,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 14:40:12,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:12,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:40:12,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:12,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:12,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:12,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:12,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 14:40:12,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:12,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:12,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:12,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:12,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:12,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:12,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 14:40:12,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:12,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:12,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:12,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:12,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 14:40:12,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:12,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:12,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:12,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:12,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:12,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:12,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 14:40:12,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:12,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:12,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:12,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:12,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:12,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:12,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 14:40:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:12,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:12,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:12,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:12,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:12,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 14:40:12,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:12,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:12,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:12,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:12,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 14:40:12,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:12,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:12,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:12,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:12,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:12,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:12,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 14:40:12,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:12,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:12,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:12,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:12,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:12,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:13,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:40:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:13,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:13,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:13,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:13,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 14:40:13,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:40:13,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269 [2020-10-28 14:40:13,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:13,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:13,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 14:40:13,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:40:13,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 14:40:13,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:13,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:13,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:13,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:13,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:13,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:13,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:40:13,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:13,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:13,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:13,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:13,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:40:13,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:13,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:13,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:13,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:13,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 14:40:13,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:13,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 14:40:13,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:13,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:13,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 14:40:13,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:40:13,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 14:40:13,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:13,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:13,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:13,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:13,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:13,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:13,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 14:40:13,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:13,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:13,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:40:13,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:13,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:40:13,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:13,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 14:40:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:13,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:13,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:13,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:13,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 14:40:13,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:40:13,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-28 14:40:13,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:13,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:13,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:13,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-28 14:40:13,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:13,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:13,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:13,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:13,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:13,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:13,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:13,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:40:13,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:13,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:13,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:13,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:13,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:13,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:13,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:13,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:13,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:13,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 14:40:13,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:13,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:40:13,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:13,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:13,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:13,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:13,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:13,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:13,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:13,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:13,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:13,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:13,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:13,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:40:13,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:13,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:13,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:13,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:13,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:13,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:13,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 14:40:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:13,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:13,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:13,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:13,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:13,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:40:13,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:13,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:13,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:13,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:40:13,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:13,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:13,737 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-28 14:40:13,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [699279454] [2020-10-28 14:40:13,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:40:13,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 14:40:13,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607477453] [2020-10-28 14:40:13,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 14:40:13,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:40:13,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 14:40:13,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-28 14:40:13,740 INFO L87 Difference]: Start difference. First operand 169 states and 202 transitions. Second operand 12 states. [2020-10-28 14:40:16,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:40:16,788 INFO L93 Difference]: Finished difference Result 410 states and 489 transitions. [2020-10-28 14:40:16,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-28 14:40:16,789 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 92 [2020-10-28 14:40:16,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:40:16,793 INFO L225 Difference]: With dead ends: 410 [2020-10-28 14:40:16,793 INFO L226 Difference]: Without dead ends: 235 [2020-10-28 14:40:16,795 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=276, Invalid=1056, Unknown=0, NotChecked=0, Total=1332 [2020-10-28 14:40:16,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-10-28 14:40:16,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 173. [2020-10-28 14:40:16,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-10-28 14:40:16,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 198 transitions. [2020-10-28 14:40:16,825 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 198 transitions. Word has length 92 [2020-10-28 14:40:16,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:40:16,825 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 198 transitions. [2020-10-28 14:40:16,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 14:40:16,825 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 198 transitions. [2020-10-28 14:40:16,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-28 14:40:16,827 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:40:16,827 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] [2020-10-28 14:40:16,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 14:40:16,828 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:40:16,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:40:16,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1290820386, now seen corresponding path program 1 times [2020-10-28 14:40:16,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:40:16,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2084390457] [2020-10-28 14:40:16,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:40:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:16,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:17,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:18,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:18,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:21,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:21,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-28 14:40:21,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 14:40:21,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 14:40:21,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:21,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:21,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-28 14:40:21,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 14:40:21,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-28 14:40:21,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:22,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:40:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:22,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:22,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:22,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:40:22,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:22,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 14:40:22,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:22,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:22,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:22,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:22,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 14:40:22,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:22,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:40:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:22,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:22,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:22,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 14:40:22,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:22,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:40:22,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:22,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:22,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:22,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:22,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 14:40:22,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:22,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:22,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:22,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:22,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:22,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:22,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 14:40:22,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:22,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:22,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:40:22,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:22,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 14:40:22,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:22,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:22,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:22,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:22,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:22,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:22,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:40:22,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:22,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:22,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:22,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:22,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:40:22,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:22,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 14:40:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:22,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:22,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:22,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:22,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:22,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 14:40:22,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:22,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:22,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 14:40:22,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:40:22,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 14:40:22,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:22,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:22,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:22,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:22,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:22,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:22,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:40:22,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:22,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:22,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:22,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:22,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:40:22,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:22,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:40:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:22,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:22,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:24,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:24,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 14:40:24,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:40:24,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1891 [2020-10-28 14:40:24,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:24,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:24,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-28 14:40:24,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:24,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-28 14:40:24,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:24,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:24,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:24,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:24,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:24,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:24,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:40:24,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:24,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:24,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:24,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:24,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:40:24,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:24,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:24,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:24,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:24,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 14:40:24,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:24,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-10-28 14:40:24,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:24,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:24,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-28 14:40:24,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:24,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-28 14:40:24,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:25,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:25,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:25,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:25,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:25,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:25,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 14:40:25,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:25,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:25,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:40:25,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:25,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:40:25,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:25,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:25,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:25,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:25,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:25,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:25,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 14:40:25,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:25,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:25,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:25,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:25,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 14:40:25,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:25,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:25,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:25,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:25,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:25,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:25,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:40:25,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:25,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:25,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:25,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:25,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:25,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:25,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 14:40:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:25,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:25,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:25,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 14:40:25,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:25,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-28 14:40:25,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:25,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:25,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 14:40:25,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:40:25,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 14:40:25,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:27,645 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 162 DAG size of output: 79 [2020-10-28 14:40:28,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:29,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:29,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:29,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:40:29,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:29,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 528 [2020-10-28 14:40:29,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:29,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:29,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:40:29,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:40:29,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:40:29,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1