/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.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 14:40:02,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 14:40:02,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 14:40:02,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 14:40:02,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 14:40:02,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 14:40:02,936 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 14:40:02,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 14:40:02,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 14:40:02,953 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 14:40:02,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 14:40:02,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 14:40:02,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 14:40:02,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 14:40:02,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 14:40:02,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 14:40:02,966 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 14:40:02,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 14:40:02,976 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 14:40:02,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 14:40:02,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 14:40:02,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 14:40:02,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 14:40:02,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 14:40:03,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 14:40:03,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 14:40:03,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 14:40:03,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 14:40:03,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 14:40:03,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 14:40:03,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 14:40:03,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 14:40:03,019 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 14:40:03,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 14:40:03,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 14:40:03,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 14:40:03,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 14:40:03,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 14:40:03,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 14:40:03,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 14:40:03,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 14:40:03,034 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 14:40:03,083 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 14:40:03,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 14:40:03,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 14:40:03,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 14:40:03,088 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 14:40:03,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 14:40:03,089 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 14:40:03,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 14:40:03,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 14:40:03,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 14:40:03,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 14:40:03,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 14:40:03,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 14:40:03,091 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 14:40:03,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 14:40:03,091 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 14:40:03,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 14:40:03,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 14:40:03,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 14:40:03,092 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 14:40:03,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 14:40:03,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 14:40:03,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 14:40:03,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 14:40:03,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 14:40:03,093 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 14:40:03,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 14:40:03,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 14:40:03,094 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 14:40:03,094 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 14:40:03,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 14:40:03,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 14:40:03,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 14:40:03,554 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 14:40:03,554 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 14:40:03,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_mutex.i [2020-10-28 14:40:03,645 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/69261bbf1/deb94fbc3e884067831bed910d2bae96/FLAGc5b8a8313 [2020-10-28 14:40:04,391 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 14:40:04,392 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_mutex.i [2020-10-28 14:40:04,420 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/69261bbf1/deb94fbc3e884067831bed910d2bae96/FLAGc5b8a8313 [2020-10-28 14:40:04,680 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/69261bbf1/deb94fbc3e884067831bed910d2bae96 [2020-10-28 14:40:04,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 14:40:04,691 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 14:40:04,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 14:40:04,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 14:40:04,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 14:40:04,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:40:04" (1/1) ... [2020-10-28 14:40:04,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2657fee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:04, skipping insertion in model container [2020-10-28 14:40:04,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:40:04" (1/1) ... [2020-10-28 14:40:04,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 14:40:04,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 14:40:05,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:40:05,254 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 14:40:05,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:40:05,404 INFO L208 MainTranslator]: Completed translation [2020-10-28 14:40:05,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:05 WrapperNode [2020-10-28 14:40:05,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 14:40:05,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 14:40:05,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 14:40:05,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 14:40:05,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:05" (1/1) ... [2020-10-28 14:40:05,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:05" (1/1) ... [2020-10-28 14:40:05,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:05" (1/1) ... [2020-10-28 14:40:05,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:05" (1/1) ... [2020-10-28 14:40:05,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:05" (1/1) ... [2020-10-28 14:40:05,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:05" (1/1) ... [2020-10-28 14:40:05,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:05" (1/1) ... [2020-10-28 14:40:05,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 14:40:05,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 14:40:05,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 14:40:05,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 14:40:05,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:05" (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 14:40:05,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 14:40:05,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 14:40:05,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-28 14:40:05,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-28 14:40:05,653 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 14:40:05,654 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 14:40:05,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 14:40:05,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-10-28 14:40:05,654 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-28 14:40:05,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-28 14:40:05,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-28 14:40:05,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-28 14:40:05,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-28 14:40:05,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-28 14:40:05,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-10-28 14:40:05,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-10-28 14:40:05,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-28 14:40:05,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-10-28 14:40:05,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-10-28 14:40:05,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-10-28 14:40:05,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 14:40:05,660 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-28 14:40:05,660 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-28 14:40:05,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 14:40:05,664 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-10-28 14:40:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 14:40:05,665 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-28 14:40:05,665 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-28 14:40:05,665 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-28 14:40:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-28 14:40:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-28 14:40:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-28 14:40:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-28 14:40:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-28 14:40:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-28 14:40:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-28 14:40:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-28 14:40:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-28 14:40:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-28 14:40:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-28 14:40:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-28 14:40:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-28 14:40:05,667 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-28 14:40:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-28 14:40:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-28 14:40:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-28 14:40:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-28 14:40:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-28 14:40:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-28 14:40:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-28 14:40:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-28 14:40:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-28 14:40:05,669 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-28 14:40:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-28 14:40:05,670 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-28 14:40:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-28 14:40:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-28 14:40:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-28 14:40:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-28 14:40:05,671 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-28 14:40:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-28 14:40:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-28 14:40:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-28 14:40:05,672 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-28 14:40:05,673 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-28 14:40:05,673 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-28 14:40:05,673 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-28 14:40:05,673 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-28 14:40:05,673 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-28 14:40:05,673 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-28 14:40:05,674 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-28 14:40:05,674 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-28 14:40:05,676 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-28 14:40:05,676 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-28 14:40:05,676 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-28 14:40:05,676 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-28 14:40:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-28 14:40:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-28 14:40:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 14:40:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 14:40:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-28 14:40:05,677 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 14:40:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-28 14:40:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-28 14:40:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-28 14:40:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-28 14:40:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 14:40:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-28 14:40:05,678 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-28 14:40:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 14:40:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-28 14:40:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-28 14:40:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-28 14:40:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-28 14:40:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-28 14:40:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-28 14:40:05,679 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-28 14:40:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-28 14:40:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-28 14:40:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-28 14:40:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-28 14:40:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-28 14:40:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-28 14:40:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-28 14:40:05,680 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-28 14:40:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-28 14:40:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-28 14:40:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-28 14:40:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-28 14:40:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-28 14:40:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-28 14:40:05,681 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-28 14:40:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-28 14:40:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-28 14:40:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-28 14:40:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-28 14:40:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-28 14:40:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-28 14:40:05,682 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-28 14:40:05,683 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-28 14:40:05,683 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-28 14:40:05,683 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-28 14:40:05,683 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-28 14:40:05,683 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-28 14:40:05,683 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-28 14:40:05,683 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-28 14:40:05,684 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-28 14:40:05,684 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-28 14:40:05,684 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 14:40:05,684 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 14:40:05,684 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 14:40:05,684 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 14:40:05,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 14:40:05,685 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 14:40:05,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 14:40:05,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 14:40:05,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 14:40:05,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-10-28 14:40:05,685 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-28 14:40:05,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 14:40:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-28 14:40:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-28 14:40:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-28 14:40:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 14:40:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-28 14:40:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-28 14:40:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-10-28 14:40:05,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-10-28 14:40:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-28 14:40:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-10-28 14:40:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-10-28 14:40:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-10-28 14:40:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 14:40:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 14:40:05,687 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-28 14:40:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-28 14:40:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 14:40:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-10-28 14:40:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 14:40:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 14:40:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 14:40:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 14:40:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 14:40:05,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 14:40:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 14:40:06,416 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 14:40:06,416 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-28 14:40:06,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:40:06 BoogieIcfgContainer [2020-10-28 14:40:06,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 14:40:06,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 14:40:06,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 14:40:06,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 14:40:06,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 02:40:04" (1/3) ... [2020-10-28 14:40:06,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29e1d64b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:40:06, skipping insertion in model container [2020-10-28 14:40:06,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:40:05" (2/3) ... [2020-10-28 14:40:06,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29e1d64b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:40:06, skipping insertion in model container [2020-10-28 14:40:06,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:40:06" (3/3) ... [2020-10-28 14:40:06,429 INFO L111 eAbstractionObserver]: Analyzing ICFG test_mutex.i [2020-10-28 14:40:06,443 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 14:40:06,449 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 14:40:06,465 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 14:40:06,497 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 14:40:06,497 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 14:40:06,498 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 14:40:06,498 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 14:40:06,498 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 14:40:06,498 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 14:40:06,498 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 14:40:06,498 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 14:40:06,521 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-10-28 14:40:06,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-28 14:40:06,530 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:40:06,531 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 14:40:06,531 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:40:06,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:40:06,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1326439761, now seen corresponding path program 1 times [2020-10-28 14:40:06,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:40:06,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1938175859] [2020-10-28 14:40:06,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:40:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:06,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:06,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:07,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:07,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:07,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:07,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 14:40:07,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 14:40:07,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 606 [2020-10-28 14:40:07,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:07,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:07,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:07,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 14:40:07,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:07,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 14:40:07,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:40:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:07,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:07,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:07,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:40:07,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:07,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 14:40:07,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:07,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:07,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:07,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:07,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:07,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:07,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:40:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:07,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:07,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:07,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 14:40:07,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:07,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:40:07,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:07,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:07,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:07,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:07,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:07,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:07,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:07,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:07,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:07,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:07,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:07,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:40:07,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 14:40:07,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:07,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:07,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:07,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:40:07,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:07,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:07,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:07,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:07,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:07,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:07,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:07,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:40:07,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:07,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:07,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:07,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 14:40:07,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:07,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:07,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 14:40:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:07,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:07,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:07,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:07,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:07,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 14:40:07,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:07,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:07,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:07,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:40:07,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:07,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:07,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:07,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:07,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:07,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:07,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:07,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:40:07,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:07,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:07,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:07,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 14:40:07,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:07,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 14:40:07,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 14:40:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:07,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:07,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:07,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:07,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:07,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:40:07,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 14:40:07,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:07,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:07,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:07,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 14:40:07,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:07,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:07,609 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 14:40:07,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1938175859] [2020-10-28 14:40:07,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:40:07,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 14:40:07,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115461024] [2020-10-28 14:40:07,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 14:40:07,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:40:07,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 14:40:07,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 14:40:07,639 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 4 states. [2020-10-28 14:40:07,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:40:07,984 INFO L93 Difference]: Finished difference Result 222 states and 280 transitions. [2020-10-28 14:40:07,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 14:40:07,986 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2020-10-28 14:40:07,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:40:08,000 INFO L225 Difference]: With dead ends: 222 [2020-10-28 14:40:08,000 INFO L226 Difference]: Without dead ends: 111 [2020-10-28 14:40:08,006 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 14:40:08,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-28 14:40:08,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 98. [2020-10-28 14:40:08,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-28 14:40:08,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 110 transitions. [2020-10-28 14:40:08,079 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 110 transitions. Word has length 44 [2020-10-28 14:40:08,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:40:08,080 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 110 transitions. [2020-10-28 14:40:08,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 14:40:08,080 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 110 transitions. [2020-10-28 14:40:08,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-28 14:40:08,084 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:40:08,085 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 14:40:08,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 14:40:08,086 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:40:08,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:40:08,089 INFO L82 PathProgramCache]: Analyzing trace with hash -547812891, now seen corresponding path program 1 times [2020-10-28 14:40:08,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:40:08,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [169163637] [2020-10-28 14:40:08,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:40:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:08,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:08,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:08,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 14:40:08,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:08,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-28 14:40:08,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:08,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:08,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 14:40:08,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-28 14:40:08,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 14:40:08,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:08,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:40:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:08,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:08,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:08,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:40:08,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:08,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 14:40:08,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:08,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:08,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:08,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:08,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:08,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:08,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:40:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:08,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:08,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:08,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 14:40:08,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:08,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 14:40:08,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:08,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:08,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:08,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:08,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:08,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:08,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:08,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:08,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:08,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:08,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:08,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:40:08,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:08,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:08,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:08,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:08,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:08,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:08,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:08,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:08,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:08,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:08,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:08,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:40:08,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:08,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:08,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:08,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:08,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:08,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:08,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 14:40:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:08,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:08,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:08,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:08,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:08,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:40:08,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:08,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:08,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:08,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:08,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:08,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:08,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:08,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:08,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:08,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:08,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:08,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:40:08,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:08,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:08,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:08,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:08,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:08,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:08,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 14:40:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:08,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:08,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:08,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:08,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:08,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 14:40:08,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:08,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:08,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 14:40:08,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:08,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:40:08,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:08,465 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 14:40:08,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [169163637] [2020-10-28 14:40:08,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:40:08,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 14:40:08,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147498066] [2020-10-28 14:40:08,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 14:40:08,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:40:08,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 14:40:08,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-28 14:40:08,469 INFO L87 Difference]: Start difference. First operand 98 states and 110 transitions. Second operand 6 states. [2020-10-28 14:40:09,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:40:09,010 INFO L93 Difference]: Finished difference Result 119 states and 138 transitions. [2020-10-28 14:40:09,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 14:40:09,010 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2020-10-28 14:40:09,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:40:09,013 INFO L225 Difference]: With dead ends: 119 [2020-10-28 14:40:09,014 INFO L226 Difference]: Without dead ends: 115 [2020-10-28 14:40:09,015 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 14:40:09,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-28 14:40:09,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 102. [2020-10-28 14:40:09,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-28 14:40:09,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 116 transitions. [2020-10-28 14:40:09,035 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 116 transitions. Word has length 44 [2020-10-28 14:40:09,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:40:09,036 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 116 transitions. [2020-10-28 14:40:09,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 14:40:09,036 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 116 transitions. [2020-10-28 14:40:09,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-28 14:40:09,038 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:40:09,038 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 14:40:09,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 14:40:09,038 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:40:09,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:40:09,039 INFO L82 PathProgramCache]: Analyzing trace with hash 817475022, now seen corresponding path program 1 times [2020-10-28 14:40:09,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:40:09,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1333482726] [2020-10-28 14:40:09,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:40:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:09,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:09,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:09,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-28 14:40:09,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:09,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 303 [2020-10-28 14:40:09,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:09,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:09,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 14:40:09,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 14:40:09,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-28 14:40:09,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:09,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:40:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:09,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:09,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:09,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:40:09,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:09,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 14:40:09,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:09,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:09,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:09,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:09,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 14:40:09,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:09,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:40:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:09,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:09,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:09,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 14:40:09,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:09,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:40:09,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:09,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:09,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:09,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:09,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 14:40:09,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:09,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:09,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:09,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:09,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:09,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:09,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 14:40:09,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:09,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:09,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:09,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:09,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 14:40:09,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:09,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:09,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:09,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:09,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:09,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:09,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:40:09,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:09,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:09,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:09,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:09,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:09,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:09,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 14:40:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:09,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:09,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:09,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:09,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:09,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 14:40:09,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:09,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:09,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:09,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:09,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 14:40:09,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:09,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:09,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:09,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:09,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:09,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:09,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:40:09,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:09,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:09,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:09,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:09,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:09,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:09,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 14:40:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:09,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:09,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:09,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:09,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:09,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 14:40:09,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:09,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:09,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:40:09,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 14:40:09,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:40:09,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:09,637 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 14:40:09,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1333482726] [2020-10-28 14:40:09,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:40:09,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 14:40:09,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327864042] [2020-10-28 14:40:09,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 14:40:09,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:40:09,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 14:40:09,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-28 14:40:09,640 INFO L87 Difference]: Start difference. First operand 102 states and 116 transitions. Second operand 7 states. [2020-10-28 14:40:11,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:40:11,201 INFO L93 Difference]: Finished difference Result 289 states and 352 transitions. [2020-10-28 14:40:11,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 14:40:11,206 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2020-10-28 14:40:11,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:40:11,210 INFO L225 Difference]: With dead ends: 289 [2020-10-28 14:40:11,215 INFO L226 Difference]: Without dead ends: 201 [2020-10-28 14:40:11,220 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-10-28 14:40:11,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-10-28 14:40:11,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 163. [2020-10-28 14:40:11,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-10-28 14:40:11,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 196 transitions. [2020-10-28 14:40:11,279 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 196 transitions. Word has length 44 [2020-10-28 14:40:11,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:40:11,280 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 196 transitions. [2020-10-28 14:40:11,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 14:40:11,280 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 196 transitions. [2020-10-28 14:40:11,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-28 14:40:11,289 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:40:11,294 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 14:40:11,294 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 14:40:11,294 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:40:11,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:40:11,295 INFO L82 PathProgramCache]: Analyzing trace with hash -847406493, now seen corresponding path program 1 times [2020-10-28 14:40:11,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:40:11,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [739432314] [2020-10-28 14:40:11,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:40:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:11,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:11,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:11,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:11,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 14:40:11,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:40:11,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 541 [2020-10-28 14:40:11,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:11,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:11,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 14:40:11,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-28 14:40:11,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 14:40:11,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:11,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:40:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:11,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:11,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:11,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:40:11,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:11,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:40:11,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:11,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:11,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:11,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:11,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:11,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:11,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:40:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:11,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:11,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:11,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 14:40:11,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:11,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 14:40:11,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:11,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:11,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:11,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:11,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:11,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:11,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:11,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:11,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:11,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:11,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:11,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:40:11,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:11,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:11,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:11,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:11,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:11,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:11,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:11,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:11,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:11,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:11,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:11,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 14:40:11,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:11,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:11,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:11,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:11,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:11,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:11,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 14:40:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:11,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:11,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:11,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:11,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:11,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:40:11,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:11,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:11,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:11,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:11,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:11,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:11,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:11,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:11,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:11,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:11,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:11,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:40:11,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:11,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:11,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:11,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:11,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:11,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:12,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:40:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:12,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:12,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:12,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 14:40:12,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:12,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 14:40:12,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:12,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:12,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 14:40:12,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 14:40:12,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 14:40:12,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:12,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:12,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:12,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:12,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:12,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:12,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:40:12,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:12,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:12,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:12,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:12,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:12,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:12,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:12,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:12,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:12,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 14:40:12,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:12,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 14:40:12,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:12,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:12,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 14:40:12,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 14:40:12,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 14:40:12,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:12,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:12,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:12,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:12,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:12,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:12,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 14:40:12,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:12,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:12,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 14:40:12,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:12,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:40:12,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:12,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 14:40:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:12,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:12,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:12,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:12,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 14:40:12,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:40:12,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-28 14:40:12,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:12,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:12,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:12,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-28 14:40:12,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:12,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:12,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:12,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:12,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:12,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:12,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:12,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:40:12,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:12,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:12,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:12,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:12,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:12,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:12,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:12,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:12,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:12,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:12,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 14:40:12,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:40:12,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 14:40:12,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:12,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:12,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:12,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:12,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:12,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:12,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:12,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:12,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:12,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:12,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:12,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:40:12,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:12,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:12,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:12,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:12,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:12,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:12,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 14:40:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:12,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:12,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:12,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:12,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:12,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:40:12,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:12,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:12,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:12,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:40:12,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:12,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:12,332 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 14:40:12,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [739432314] [2020-10-28 14:40:12,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:40:12,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 14:40:12,333 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129529077] [2020-10-28 14:40:12,334 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 14:40:12,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:40:12,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 14:40:12,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-28 14:40:12,335 INFO L87 Difference]: Start difference. First operand 163 states and 196 transitions. Second operand 7 states. [2020-10-28 14:40:13,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:40:13,109 INFO L93 Difference]: Finished difference Result 297 states and 357 transitions. [2020-10-28 14:40:13,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 14:40:13,111 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2020-10-28 14:40:13,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:40:13,114 INFO L225 Difference]: With dead ends: 297 [2020-10-28 14:40:13,114 INFO L226 Difference]: Without dead ends: 171 [2020-10-28 14:40:13,117 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 14:40:13,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-28 14:40:13,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2020-10-28 14:40:13,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-10-28 14:40:13,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 202 transitions. [2020-10-28 14:40:13,155 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 202 transitions. Word has length 92 [2020-10-28 14:40:13,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:40:13,156 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 202 transitions. [2020-10-28 14:40:13,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 14:40:13,156 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 202 transitions. [2020-10-28 14:40:13,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-28 14:40:13,158 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:40:13,158 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 14:40:13,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 14:40:13,159 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:40:13,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:40:13,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1930944587, now seen corresponding path program 1 times [2020-10-28 14:40:13,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:40:13,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [47452730] [2020-10-28 14:40:13,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:40:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:13,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:13,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:13,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:13,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:18,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:18,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-28 14:40:18,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 14:40:18,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 14:40:18,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:18,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:18,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-28 14:40:18,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 14:40:18,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-28 14:40:18,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:18,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:40:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:18,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:18,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:18,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:40:18,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:18,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 14:40:18,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:18,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:18,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:18,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:18,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 14:40:18,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:18,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:40:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:18,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:18,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:18,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 14:40:18,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:18,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:40:18,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:18,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:18,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:18,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:18,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 14:40:18,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:18,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:18,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:18,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:18,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:18,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:18,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 14:40:18,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:18,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:18,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:18,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:18,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 14:40:18,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:18,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:18,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:18,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:18,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:18,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:18,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 14:40:18,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:18,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:18,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:18,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:18,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:18,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:18,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 14:40:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:18,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:18,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:18,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:18,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:18,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 14:40:18,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:18,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:18,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:18,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:18,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 14:40:18,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:18,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:18,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:18,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:18,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:18,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:18,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 14:40:18,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:18,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:18,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:18,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:18,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:18,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:18,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:40:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:18,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:18,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:18,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:18,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 14:40:18,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:40:18,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 515 [2020-10-28 14:40:18,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:18,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:18,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 14:40:18,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:40:18,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 14:40:18,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:19,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:19,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:19,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:19,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:19,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:19,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:40:19,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:19,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:19,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:19,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:19,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:40:19,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:19,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:19,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:19,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:19,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 14:40:19,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:19,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-28 14:40:19,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:19,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:19,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 14:40:19,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:40:19,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 14:40:19,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:19,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:19,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:19,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:19,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:19,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:19,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 14:40:19,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:19,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:40:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:19,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:40:19,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:19,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 14:40:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:19,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:19,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:19,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:19,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 14:40:19,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:40:19,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-28 14:40:19,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:19,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:19,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:19,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-28 14:40:19,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:19,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:19,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:19,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:19,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:19,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:19,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:19,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:40:19,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:19,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:19,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:19,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:19,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:19,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:19,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:19,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:19,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:19,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 14:40:19,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:19,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:40:19,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:19,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:19,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:19,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:19,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:19,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:19,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:19,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:19,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:19,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:19,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:19,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:40:19,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:19,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:19,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:19,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:19,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:19,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:19,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 14:40:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:19,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:19,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:19,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:19,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:19,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:40:19,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:19,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:19,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:19,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:40:19,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:19,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:19,389 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 14:40:19,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [47452730] [2020-10-28 14:40:19,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:40:19,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 14:40:19,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488529925] [2020-10-28 14:40:19,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 14:40:19,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:40:19,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 14:40:19,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-28 14:40:19,392 INFO L87 Difference]: Start difference. First operand 169 states and 202 transitions. Second operand 12 states. [2020-10-28 14:40:22,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:40:22,825 INFO L93 Difference]: Finished difference Result 407 states and 489 transitions. [2020-10-28 14:40:22,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-28 14:40:22,827 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 92 [2020-10-28 14:40:22,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:40:22,830 INFO L225 Difference]: With dead ends: 407 [2020-10-28 14:40:22,830 INFO L226 Difference]: Without dead ends: 232 [2020-10-28 14:40:22,832 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=276, Invalid=1056, Unknown=0, NotChecked=0, Total=1332 [2020-10-28 14:40:22,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-10-28 14:40:22,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 174. [2020-10-28 14:40:22,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-10-28 14:40:22,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 199 transitions. [2020-10-28 14:40:22,870 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 199 transitions. Word has length 92 [2020-10-28 14:40:22,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:40:22,871 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 199 transitions. [2020-10-28 14:40:22,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 14:40:22,871 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 199 transitions. [2020-10-28 14:40:22,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-28 14:40:22,873 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:40:22,873 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 14:40:22,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 14:40:22,873 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:40:22,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:40:22,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1290820386, now seen corresponding path program 1 times [2020-10-28 14:40:22,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:40:22,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [733037745] [2020-10-28 14:40:22,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:40:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:22,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:23,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:24,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:24,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:27,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:27,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-28 14:40:27,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 14:40:27,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 14:40:27,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:27,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:27,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-28 14:40:27,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 14:40:27,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-28 14:40:27,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:28,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:40:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:28,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:28,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:28,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:40:28,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:28,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 14:40:28,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:28,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:28,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:28,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:28,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 14:40:28,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:28,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:40:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:28,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:28,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:28,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 14:40:28,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:28,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:40:28,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:28,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:28,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:28,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:28,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 14:40:28,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:28,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:28,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:28,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:28,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:28,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:28,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 14:40:28,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:28,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:28,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:40:28,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:28,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 14:40:28,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:28,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:28,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:28,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:28,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:28,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:28,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:40:28,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:28,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:28,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:28,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:28,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:40:28,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:28,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 14:40:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:28,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:28,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:28,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:28,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:28,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 14:40:28,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:28,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:28,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 14:40:28,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:40:28,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 14:40:28,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:28,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:28,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:28,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:28,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:28,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:28,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:40:28,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:28,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:28,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:28,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:28,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:40:28,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:28,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:40:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:28,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:28,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:30,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:30,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-28 14:40:30,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:40:30,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1926 [2020-10-28 14:40:30,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:30,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:30,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-28 14:40:30,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:30,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-28 14:40:30,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:30,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:30,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:30,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:30,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:30,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:30,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:40:30,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:30,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:30,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:30,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:30,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:40:30,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:30,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:30,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:31,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:31,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 14:40:31,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:31,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 325 [2020-10-28 14:40:31,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:31,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:31,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-28 14:40:31,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:31,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-28 14:40:31,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:31,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:31,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:31,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:31,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:40:31,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:31,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 14:40:31,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:31,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:31,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:40:31,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:31,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:40:31,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:31,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:40:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:31,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:31,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:31,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 14:40:31,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:31,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 14:40:31,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:31,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:31,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:40:31,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:31,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 14:40:31,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:31,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:31,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:31,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:31,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:40:31,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:31,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:40:31,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:31,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:31,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:40:31,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:40:31,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:40:31,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:40:31,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 14:40:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:31,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:31,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:31,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 14:40:31,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:31,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-28 14:40:31,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:31,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:31,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 14:40:31,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:40:31,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 14:40:31,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:40:33,974 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 162 DAG size of output: 79 [2020-10-28 14:40:35,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:40:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:40:35,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:40:35,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:40:35,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:40:35,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:40:35,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 576 [2020-10-28 14:40:35,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:40:35,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:40:35,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:40:35,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:40:35,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:40:35,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0