/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-sets/test_mutex.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 19:56:03,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 19:56:03,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 19:56:03,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 19:56:03,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 19:56:03,285 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 19:56:03,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 19:56:03,292 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 19:56:03,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 19:56:03,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 19:56:03,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 19:56:03,309 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 19:56:03,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 19:56:03,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 19:56:03,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 19:56:03,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 19:56:03,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 19:56:03,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 19:56:03,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 19:56:03,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 19:56:03,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 19:56:03,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 19:56:03,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 19:56:03,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 19:56:03,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 19:56:03,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 19:56:03,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 19:56:03,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 19:56:03,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 19:56:03,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 19:56:03,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 19:56:03,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 19:56:03,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 19:56:03,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 19:56:03,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 19:56:03,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 19:56:03,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 19:56:03,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 19:56:03,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 19:56:03,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 19:56:03,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 19:56:03,399 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 19:56:03,425 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 19:56:03,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 19:56:03,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 19:56:03,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 19:56:03,427 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 19:56:03,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 19:56:03,428 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 19:56:03,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 19:56:03,428 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 19:56:03,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 19:56:03,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 19:56:03,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 19:56:03,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 19:56:03,429 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 19:56:03,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 19:56:03,430 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 19:56:03,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 19:56:03,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 19:56:03,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 19:56:03,430 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 19:56:03,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 19:56:03,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 19:56:03,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 19:56:03,431 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 19:56:03,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 19:56:03,432 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 19:56:03,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 19:56:03,432 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 19:56:03,432 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 19:56:03,432 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 19:56:03,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 19:56:03,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 19:56:03,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 19:56:03,863 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 19:56:03,864 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 19:56:03,867 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_mutex.i [2020-10-27 19:56:03,960 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c7968a5b0/eeb8d47a83314bf9811c8ed815a9811c/FLAGa98e7efe1 [2020-10-27 19:56:04,720 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 19:56:04,721 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_mutex.i [2020-10-27 19:56:04,749 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c7968a5b0/eeb8d47a83314bf9811c8ed815a9811c/FLAGa98e7efe1 [2020-10-27 19:56:05,031 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c7968a5b0/eeb8d47a83314bf9811c8ed815a9811c [2020-10-27 19:56:05,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 19:56:05,041 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 19:56:05,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 19:56:05,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 19:56:05,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 19:56:05,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:56:05" (1/1) ... [2020-10-27 19:56:05,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6499f400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:05, skipping insertion in model container [2020-10-27 19:56:05,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:56:05" (1/1) ... [2020-10-27 19:56:05,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 19:56:05,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 19:56:05,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 19:56:05,567 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 19:56:05,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 19:56:05,733 INFO L208 MainTranslator]: Completed translation [2020-10-27 19:56:05,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:05 WrapperNode [2020-10-27 19:56:05,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 19:56:05,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 19:56:05,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 19:56:05,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 19:56:05,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:05" (1/1) ... [2020-10-27 19:56:05,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:05" (1/1) ... [2020-10-27 19:56:05,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:05" (1/1) ... [2020-10-27 19:56:05,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:05" (1/1) ... [2020-10-27 19:56:05,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:05" (1/1) ... [2020-10-27 19:56:05,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:05" (1/1) ... [2020-10-27 19:56:05,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:05" (1/1) ... [2020-10-27 19:56:05,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 19:56:05,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 19:56:05,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 19:56:05,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 19:56:05,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:05" (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 [2020-10-27 19:56:05,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 19:56:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 19:56:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-27 19:56:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-27 19:56:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 19:56:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 19:56:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 19:56:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-10-27 19:56:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-10-27 19:56:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-10-27 19:56:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-10-27 19:56:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-10-27 19:56:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-10-27 19:56:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-10-27 19:56:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-10-27 19:56:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-10-27 19:56:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-27 19:56:05,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-10-27 19:56:05,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-10-27 19:56:05,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-10-27 19:56:05,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-27 19:56:05,909 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-27 19:56:05,909 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-27 19:56:05,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-27 19:56:05,910 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-10-27 19:56:05,910 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 19:56:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-27 19:56:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-27 19:56:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-27 19:56:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-27 19:56:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-27 19:56:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-27 19:56:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-27 19:56:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-27 19:56:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-27 19:56:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-27 19:56:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-27 19:56:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-27 19:56:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-27 19:56:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-27 19:56:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-27 19:56:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-27 19:56:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-27 19:56:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-27 19:56:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-27 19:56:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-27 19:56:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-27 19:56:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-27 19:56:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-27 19:56:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-27 19:56:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-27 19:56:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-27 19:56:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-27 19:56:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-27 19:56:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-27 19:56:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-27 19:56:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-27 19:56:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-27 19:56:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-27 19:56:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-27 19:56:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-27 19:56:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-27 19:56:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-27 19:56:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-27 19:56:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-27 19:56:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-27 19:56:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-27 19:56:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-27 19:56:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-27 19:56:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-27 19:56:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-27 19:56:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-27 19:56:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-27 19:56:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-27 19:56:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-27 19:56:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-27 19:56:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-27 19:56:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-27 19:56:05,919 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 19:56:05,919 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 19:56:05,919 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-27 19:56:05,919 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 19:56:05,919 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-27 19:56:05,920 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-27 19:56:05,920 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-27 19:56:05,920 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-27 19:56:05,920 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 19:56:05,920 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-27 19:56:05,920 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-27 19:56:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 19:56:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-27 19:56:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-27 19:56:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-27 19:56:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-27 19:56:05,921 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-27 19:56:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-27 19:56:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-27 19:56:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-27 19:56:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-27 19:56:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-27 19:56:05,922 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-27 19:56:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-27 19:56:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-27 19:56:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-27 19:56:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-27 19:56:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-27 19:56:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-27 19:56:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-27 19:56:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-27 19:56:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-27 19:56:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-27 19:56:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-27 19:56:05,924 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-27 19:56:05,925 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-27 19:56:05,925 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-27 19:56:05,925 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-27 19:56:05,925 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-27 19:56:05,925 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-27 19:56:05,925 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-27 19:56:05,926 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-27 19:56:05,926 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-27 19:56:05,926 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-27 19:56:05,926 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-27 19:56:05,926 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-27 19:56:05,926 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-27 19:56:05,927 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-27 19:56:05,927 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-27 19:56:05,927 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-27 19:56:05,927 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 19:56:05,927 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 19:56:05,928 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 19:56:05,928 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 19:56:05,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 19:56:05,928 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 19:56:05,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 19:56:05,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 19:56:05,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 19:56:05,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-10-27 19:56:05,929 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-10-27 19:56:05,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 19:56:05,929 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-10-27 19:56:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-10-27 19:56:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-10-27 19:56:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 19:56:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-10-27 19:56:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-10-27 19:56:05,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-10-27 19:56:05,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-10-27 19:56:05,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-27 19:56:05,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-10-27 19:56:05,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-10-27 19:56:05,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-10-27 19:56:05,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 19:56:05,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-27 19:56:05,932 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-27 19:56:05,932 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-27 19:56:05,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-27 19:56:05,932 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-10-27 19:56:05,932 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 19:56:05,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 19:56:05,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 19:56:05,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 19:56:05,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 19:56:05,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 19:56:05,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 19:56:06,899 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 19:56:06,900 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-27 19:56:06,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:56:06 BoogieIcfgContainer [2020-10-27 19:56:06,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 19:56:06,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 19:56:06,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 19:56:06,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 19:56:06,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 07:56:05" (1/3) ... [2020-10-27 19:56:06,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ee1efe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:56:06, skipping insertion in model container [2020-10-27 19:56:06,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:56:05" (2/3) ... [2020-10-27 19:56:06,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ee1efe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:56:06, skipping insertion in model container [2020-10-27 19:56:06,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:56:06" (3/3) ... [2020-10-27 19:56:06,915 INFO L111 eAbstractionObserver]: Analyzing ICFG test_mutex.i [2020-10-27 19:56:06,930 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 19:56:06,938 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 19:56:06,954 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 19:56:06,999 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 19:56:07,000 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 19:56:07,001 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 19:56:07,001 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 19:56:07,001 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 19:56:07,002 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 19:56:07,002 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 19:56:07,002 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 19:56:07,032 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-10-27 19:56:07,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-27 19:56:07,045 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:56:07,047 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:56:07,048 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:56:07,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:56:07,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1326439761, now seen corresponding path program 1 times [2020-10-27 19:56:07,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:56:07,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2126951119] [2020-10-27 19:56:07,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:56:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:07,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:07,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:07,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:07,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:07,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:07,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 19:56:07,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 19:56:07,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 503 [2020-10-27 19:56:07,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:07,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:56:07,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-27 19:56:07,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:56:07,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 19:56:07,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:56:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:07,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:07,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:07,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:56:07,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:07,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 19:56:07,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:07,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:07,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:07,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:07,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:56:07,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:56:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:07,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:07,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:07,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:56:07,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:07,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:56:07,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:07,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:07,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:07,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:07,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:07,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:07,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:07,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:08,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:08,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:08,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:56:08,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 19:56:08,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:08,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:08,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 19:56:08,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:08,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:56:08,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:08,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:08,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:08,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:08,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:08,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:56:08,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:08,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:08,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 19:56:08,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:08,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 19:56:08,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:56:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:08,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:08,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:08,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:08,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:08,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:56:08,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 19:56:08,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:08,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:08,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 19:56:08,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:08,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:56:08,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:08,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:08,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:08,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:08,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:08,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:56:08,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:08,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:08,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 19:56:08,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:08,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:56:08,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 19:56:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:08,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:08,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:08,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:08,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:08,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:56:08,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 19:56:08,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:08,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:08,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 19:56:08,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:08,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:08,187 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-27 19:56:08,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2126951119] [2020-10-27 19:56:08,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:56:08,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 19:56:08,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132177725] [2020-10-27 19:56:08,198 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 19:56:08,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:56:08,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 19:56:08,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 19:56:08,217 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 5 states. [2020-10-27 19:56:08,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:56:08,808 INFO L93 Difference]: Finished difference Result 222 states and 280 transitions. [2020-10-27 19:56:08,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-27 19:56:08,810 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2020-10-27 19:56:08,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:56:08,822 INFO L225 Difference]: With dead ends: 222 [2020-10-27 19:56:08,823 INFO L226 Difference]: Without dead ends: 111 [2020-10-27 19:56:08,828 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 19:56:08,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-27 19:56:08,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 98. [2020-10-27 19:56:08,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-27 19:56:08,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 110 transitions. [2020-10-27 19:56:08,894 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 110 transitions. Word has length 44 [2020-10-27 19:56:08,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:56:08,895 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 110 transitions. [2020-10-27 19:56:08,895 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 19:56:08,895 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 110 transitions. [2020-10-27 19:56:08,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-27 19:56:08,898 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:56:08,898 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:56:08,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 19:56:08,898 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:56:08,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:56:08,899 INFO L82 PathProgramCache]: Analyzing trace with hash -547812891, now seen corresponding path program 1 times [2020-10-27 19:56:08,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:56:08,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1946902587] [2020-10-27 19:56:08,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:56:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:08,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:09,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:09,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 19:56:09,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:09,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-27 19:56:09,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:09,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:56:09,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-27 19:56:09,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:56:09,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:09,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:56:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:09,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:09,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:09,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:56:09,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:09,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:56:09,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:09,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:09,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:09,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:09,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:09,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:56:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:09,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:09,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:09,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:56:09,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:09,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:56:09,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:09,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:09,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:09,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:09,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:09,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:09,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:09,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:09,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:09,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:09,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 19:56:09,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:09,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:09,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:09,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:09,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:09,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:09,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:09,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:09,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:09,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:09,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 19:56:09,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:09,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:09,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:09,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:09,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:09,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:56:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:09,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:09,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:09,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:09,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:09,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 19:56:09,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:09,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:09,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:09,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:09,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:09,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:09,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:09,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:09,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:09,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:09,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:56:09,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:09,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:09,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:09,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:09,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:09,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 19:56:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:09,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:09,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:09,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:09,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:09,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 19:56:09,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:09,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:56:09,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:09,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:56:09,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:09,380 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-27 19:56:09,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1946902587] [2020-10-27 19:56:09,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:56:09,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 19:56:09,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390543722] [2020-10-27 19:56:09,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 19:56:09,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:56:09,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 19:56:09,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 19:56:09,384 INFO L87 Difference]: Start difference. First operand 98 states and 110 transitions. Second operand 6 states. [2020-10-27 19:56:09,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:56:09,906 INFO L93 Difference]: Finished difference Result 119 states and 138 transitions. [2020-10-27 19:56:09,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 19:56:09,907 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2020-10-27 19:56:09,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:56:09,910 INFO L225 Difference]: With dead ends: 119 [2020-10-27 19:56:09,910 INFO L226 Difference]: Without dead ends: 115 [2020-10-27 19:56:09,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-27 19:56:09,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-27 19:56:09,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 102. [2020-10-27 19:56:09,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-27 19:56:09,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 116 transitions. [2020-10-27 19:56:09,954 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 116 transitions. Word has length 44 [2020-10-27 19:56:09,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:56:09,954 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 116 transitions. [2020-10-27 19:56:09,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 19:56:09,954 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 116 transitions. [2020-10-27 19:56:09,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-27 19:56:09,956 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:56:09,956 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:56:09,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 19:56:09,956 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:56:09,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:56:09,957 INFO L82 PathProgramCache]: Analyzing trace with hash 817475022, now seen corresponding path program 1 times [2020-10-27 19:56:09,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:56:09,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1806121364] [2020-10-27 19:56:09,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:56:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:10,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:10,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:10,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 19:56:10,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:10,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 262 [2020-10-27 19:56:10,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:10,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 19:56:10,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 19:56:10,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 19:56:10,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:10,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:56:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:10,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:10,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:10,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:56:10,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:10,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 19:56:10,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:10,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:10,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:10,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 19:56:10,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:10,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:56:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:10,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:10,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:10,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:56:10,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:10,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:56:10,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:10,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:10,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:10,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 19:56:10,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:10,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:10,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:10,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:10,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:10,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:10,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 19:56:10,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:10,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:10,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:10,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:56:10,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:10,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:10,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:10,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:10,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:10,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:10,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:56:10,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:10,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:10,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:10,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:10,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:10,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:56:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:10,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:10,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:10,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:10,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:10,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 19:56:10,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:10,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:10,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:10,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:56:10,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:10,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:10,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:10,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:10,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:10,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:10,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:56:10,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:10,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:10,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:10,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:10,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:10,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 19:56:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:10,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:10,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:10,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:10,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:10,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 19:56:10,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:10,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:56:10,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:56:10,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:56:10,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:10,548 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-27 19:56:10,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1806121364] [2020-10-27 19:56:10,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:56:10,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 19:56:10,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580074443] [2020-10-27 19:56:10,550 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 19:56:10,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:56:10,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 19:56:10,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-27 19:56:10,551 INFO L87 Difference]: Start difference. First operand 102 states and 116 transitions. Second operand 7 states. [2020-10-27 19:56:12,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:56:12,276 INFO L93 Difference]: Finished difference Result 289 states and 352 transitions. [2020-10-27 19:56:12,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 19:56:12,278 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2020-10-27 19:56:12,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:56:12,285 INFO L225 Difference]: With dead ends: 289 [2020-10-27 19:56:12,285 INFO L226 Difference]: Without dead ends: 201 [2020-10-27 19:56:12,289 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-10-27 19:56:12,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-10-27 19:56:12,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 163. [2020-10-27 19:56:12,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-10-27 19:56:12,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 196 transitions. [2020-10-27 19:56:12,363 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 196 transitions. Word has length 44 [2020-10-27 19:56:12,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:56:12,364 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 196 transitions. [2020-10-27 19:56:12,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 19:56:12,364 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 196 transitions. [2020-10-27 19:56:12,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-27 19:56:12,366 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:56:12,366 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:56:12,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 19:56:12,367 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:56:12,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:56:12,367 INFO L82 PathProgramCache]: Analyzing trace with hash -847406493, now seen corresponding path program 1 times [2020-10-27 19:56:12,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:56:12,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1985348758] [2020-10-27 19:56:12,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:56:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:12,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:12,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:12,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:12,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 19:56:12,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:56:12,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 560 [2020-10-27 19:56:12,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:12,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:56:12,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-27 19:56:12,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:56:12,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:56:13,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:56:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:13,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:13,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:13,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:56:13,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:13,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 19:56:13,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:13,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:13,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:13,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:13,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:13,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:56:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:13,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:13,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:13,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:56:13,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:13,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:56:13,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:13,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:13,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:13,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:13,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:13,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:13,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:13,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:13,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:13,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:13,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:56:13,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:13,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:13,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:13,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:13,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:13,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:13,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:13,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:13,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:13,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:13,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:56:13,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:13,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:13,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:13,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:13,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:56:13,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:56:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:13,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:13,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:13,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:13,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:13,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:56:13,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:13,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:13,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:13,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:13,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 19:56:13,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:13,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:13,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:13,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:13,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:13,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:56:13,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:13,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:13,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:13,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:13,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:13,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:56:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:13,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:13,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:13,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:13,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 19:56:13,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:56:13,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-27 19:56:13,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:13,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:56:13,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 19:56:13,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:56:13,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:13,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:13,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:13,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:13,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:13,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:13,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:56:13,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:13,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:13,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:13,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:13,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:13,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:13,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:13,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:13,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:56:13,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:13,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 19:56:13,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:13,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:56:13,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 19:56:13,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:56:13,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:13,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:13,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:13,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:13,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:13,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:13,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 19:56:13,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:13,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:56:13,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:13,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:56:13,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:13,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 19:56:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:13,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:13,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:13,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 19:56:13,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:13,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 19:56:13,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:13,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:56:13,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 19:56:13,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:56:13,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:13,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:13,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:13,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:13,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:13,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:13,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:56:13,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:13,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:13,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:13,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:13,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:13,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:13,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:13,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:13,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:56:13,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:13,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 19:56:13,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:13,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:56:13,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 19:56:13,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:56:13,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:13,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:13,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:13,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:13,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:13,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:13,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 19:56:13,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:13,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:56:13,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:13,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:56:13,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:13,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 19:56:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:13,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:13,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:13,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:13,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:13,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:56:13,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:13,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:13,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 19:56:13,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:13,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:13,486 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-27 19:56:13,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1985348758] [2020-10-27 19:56:13,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:56:13,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-27 19:56:13,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280740966] [2020-10-27 19:56:13,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 19:56:13,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:56:13,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 19:56:13,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-27 19:56:13,490 INFO L87 Difference]: Start difference. First operand 163 states and 196 transitions. Second operand 7 states. [2020-10-27 19:56:14,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:56:14,233 INFO L93 Difference]: Finished difference Result 297 states and 357 transitions. [2020-10-27 19:56:14,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 19:56:14,234 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2020-10-27 19:56:14,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:56:14,238 INFO L225 Difference]: With dead ends: 297 [2020-10-27 19:56:14,239 INFO L226 Difference]: Without dead ends: 171 [2020-10-27 19:56:14,241 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-27 19:56:14,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-27 19:56:14,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2020-10-27 19:56:14,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-10-27 19:56:14,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 202 transitions. [2020-10-27 19:56:14,306 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 202 transitions. Word has length 92 [2020-10-27 19:56:14,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:56:14,310 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 202 transitions. [2020-10-27 19:56:14,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 19:56:14,311 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 202 transitions. [2020-10-27 19:56:14,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-27 19:56:14,313 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:56:14,313 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:56:14,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 19:56:14,314 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:56:14,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:56:14,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1930944587, now seen corresponding path program 1 times [2020-10-27 19:56:14,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:56:14,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [777461456] [2020-10-27 19:56:14,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:56:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:14,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:14,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:14,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:14,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:19,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:19,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 19:56:19,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 19:56:19,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 19:56:19,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:19,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 19:56:19,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-27 19:56:19,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 19:56:19,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:19,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:56:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:19,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:19,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:19,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:56:19,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:19,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 19:56:19,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:19,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:19,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:19,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:19,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:19,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:56:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:19,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:19,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:19,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:56:19,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:19,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:56:19,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:19,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:19,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:19,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:19,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:19,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:19,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:19,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:19,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:19,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:19,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:56:19,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:19,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:19,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:19,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:19,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:19,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:19,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:19,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:19,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:19,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:19,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:56:19,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:19,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:19,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:19,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:19,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:19,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:56:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:19,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:19,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:19,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:19,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:19,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:56:19,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:19,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:19,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:19,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:19,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:19,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:19,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:19,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:19,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:19,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:19,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:56:19,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:19,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:19,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:19,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:19,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:19,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:56:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:19,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:19,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:19,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:19,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 19:56:19,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:56:19,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-27 19:56:19,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:19,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 19:56:19,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 19:56:19,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 19:56:19,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:19,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:19,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:19,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:19,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:19,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:19,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 19:56:19,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:19,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:56:19,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:19,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:56:19,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:19,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:19,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:19,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:19,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:56:19,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:19,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-27 19:56:19,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:19,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:56:19,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:56:19,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 19:56:19,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:19,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:19,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:19,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:19,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:19,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:19,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 19:56:19,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:19,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:56:19,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:19,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:56:19,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:19,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 19:56:19,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:19,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:20,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:20,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-27 19:56:20,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:20,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-27 19:56:20,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:20,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 19:56:20,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 19:56:20,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 19:56:20,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:20,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:20,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:20,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:20,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:20,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:20,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 19:56:20,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:20,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:56:20,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:20,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:56:20,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:20,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:20,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:20,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:20,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:56:20,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:20,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-27 19:56:20,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:20,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:56:20,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:56:20,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 19:56:20,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:20,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:20,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:20,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:20,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:20,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:20,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 19:56:20,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:20,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:56:20,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:20,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:56:20,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:56:20,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 19:56:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:20,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:20,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:20,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:20,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:20,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:56:20,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:20,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:20,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 19:56:20,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:20,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:20,422 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-27 19:56:20,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [777461456] [2020-10-27 19:56:20,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:56:20,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 19:56:20,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601389506] [2020-10-27 19:56:20,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 19:56:20,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:56:20,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 19:56:20,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-27 19:56:20,427 INFO L87 Difference]: Start difference. First operand 169 states and 202 transitions. Second operand 12 states. [2020-10-27 19:56:23,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:56:23,383 INFO L93 Difference]: Finished difference Result 412 states and 503 transitions. [2020-10-27 19:56:23,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 19:56:23,384 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 92 [2020-10-27 19:56:23,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:56:23,388 INFO L225 Difference]: With dead ends: 412 [2020-10-27 19:56:23,389 INFO L226 Difference]: Without dead ends: 218 [2020-10-27 19:56:23,391 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=192, Invalid=678, Unknown=0, NotChecked=0, Total=870 [2020-10-27 19:56:23,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-10-27 19:56:23,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 186. [2020-10-27 19:56:23,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-10-27 19:56:23,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 219 transitions. [2020-10-27 19:56:23,422 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 219 transitions. Word has length 92 [2020-10-27 19:56:23,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:56:23,422 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 219 transitions. [2020-10-27 19:56:23,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 19:56:23,422 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 219 transitions. [2020-10-27 19:56:23,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-27 19:56:23,424 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:56:23,424 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:56:23,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 19:56:23,425 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:56:23,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:56:23,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1290820386, now seen corresponding path program 1 times [2020-10-27 19:56:23,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:56:23,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [230574368] [2020-10-27 19:56:23,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:56:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:23,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:24,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:24,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:25,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:28,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:28,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-27 19:56:28,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 19:56:28,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 19:56:28,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:28,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-27 19:56:28,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 19:56:28,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-27 19:56:28,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:28,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:56:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:28,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:28,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:28,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:56:28,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:28,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:56:28,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:28,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:28,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:28,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:28,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:28,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:56:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:28,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:28,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:28,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:56:28,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:28,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:56:28,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:28,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:28,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:28,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:28,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:28,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:28,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:28,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:28,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:28,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:28,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 19:56:28,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:28,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:56:28,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:28,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 19:56:28,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:28,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:28,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:28,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:28,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:28,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:28,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:56:28,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:28,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:28,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:28,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:56:28,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:28,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:56:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:28,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:28,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:28,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:28,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:28,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 19:56:28,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:28,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 19:56:28,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:56:28,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 19:56:28,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:28,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:28,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:28,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:28,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:28,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:28,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:56:28,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:28,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:28,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:28,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:56:28,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:28,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:56:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:28,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:29,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:29,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:56:29,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:29,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 579 [2020-10-27 19:56:29,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:29,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 19:56:29,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:29,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 19:56:29,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:29,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:29,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:29,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:29,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:29,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:29,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 19:56:29,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:29,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:29,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:29,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:56:29,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:29,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:29,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:30,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:30,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:56:30,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:30,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 329 [2020-10-27 19:56:30,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:30,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 19:56:30,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:30,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 19:56:30,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:30,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:30,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:30,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:30,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:30,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:30,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:56:30,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:30,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:30,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:30,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:56:30,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:30,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:30,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:30,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:30,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:30,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:30,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 19:56:30,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:30,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:56:30,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:30,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:56:30,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:30,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:30,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:30,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:30,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:30,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:30,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:56:30,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:30,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:30,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:30,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:56:30,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:30,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:56:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:30,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:30,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:30,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:56:30,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:30,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-27 19:56:30,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:30,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 19:56:30,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:56:30,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:56:30,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:30,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:30,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:30,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:30,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:56:30,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:30,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 19:56:30,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:30,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:56:30,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:56:30,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:56:30,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:30,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 19:56:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:30,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:30,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:30,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:30,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:30,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 19:56:30,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:30,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:56:30,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:56:30,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:56:30,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:31,131 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 19:56:31,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [230574368] [2020-10-27 19:56:31,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:56:31,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-27 19:56:31,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562918183] [2020-10-27 19:56:31,134 INFO L461 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-27 19:56:31,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:56:31,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-27 19:56:31,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=865, Unknown=0, NotChecked=0, Total=930 [2020-10-27 19:56:31,136 INFO L87 Difference]: Start difference. First operand 186 states and 219 transitions. Second operand 31 states. [2020-10-27 19:56:34,131 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-10-27 19:56:36,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:56:36,184 INFO L93 Difference]: Finished difference Result 322 states and 390 transitions. [2020-10-27 19:56:36,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-27 19:56:36,184 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 88 [2020-10-27 19:56:36,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:56:36,188 INFO L225 Difference]: With dead ends: 322 [2020-10-27 19:56:36,188 INFO L226 Difference]: Without dead ends: 196 [2020-10-27 19:56:36,192 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=206, Invalid=2550, Unknown=0, NotChecked=0, Total=2756 [2020-10-27 19:56:36,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-10-27 19:56:36,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 189. [2020-10-27 19:56:36,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-10-27 19:56:36,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 224 transitions. [2020-10-27 19:56:36,241 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 224 transitions. Word has length 88 [2020-10-27 19:56:36,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:56:36,242 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 224 transitions. [2020-10-27 19:56:36,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-27 19:56:36,242 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 224 transitions. [2020-10-27 19:56:36,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-27 19:56:36,252 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:56:36,252 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:56:36,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 19:56:36,253 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:56:36,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:56:36,253 INFO L82 PathProgramCache]: Analyzing trace with hash -1324870515, now seen corresponding path program 1 times [2020-10-27 19:56:36,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:56:36,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [553818265] [2020-10-27 19:56:36,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:56:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:36,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:36,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:37,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:41,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:41,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-27 19:56:41,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 19:56:41,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 19:56:41,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:41,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 19:56:41,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 19:56:41,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-27 19:56:41,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:41,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:56:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:41,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:41,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:41,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:56:41,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:41,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 19:56:41,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:41,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:41,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:41,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 19:56:41,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:41,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:56:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:41,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:41,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:41,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:56:41,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:41,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:56:41,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:41,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:41,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:41,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 19:56:41,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:41,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:41,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:41,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:41,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:41,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:41,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 19:56:41,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:41,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:41,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:41,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:56:41,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:41,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:41,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:41,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:41,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:41,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:41,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:56:41,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:41,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:41,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:41,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:41,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:41,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:56:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:41,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:41,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:41,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:41,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:41,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 19:56:41,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:41,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:41,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:41,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:56:41,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:41,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:41,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:41,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:41,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:41,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:41,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:56:41,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:41,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:56:41,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:41,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:56:41,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:41,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:56:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:41,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:41,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:41,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:45,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:45,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:56:45,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 19:56:45,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4252 [2020-10-27 19:56:45,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:45,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 19:56:45,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:45,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 19:56:45,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:45,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:45,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:45,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:45,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:45,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:45,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 19:56:45,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:45,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:56:45,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:45,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:56:45,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:45,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:45,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:46,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:46,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:46,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:56:46,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:56:46,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 957 [2020-10-27 19:56:46,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:46,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 19:56:46,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:46,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 19:56:46,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:47,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:47,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:47,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:47,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:56:47,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:47,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 19:56:47,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:47,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:56:47,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:47,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:56:47,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:47,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:56:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:47,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:47,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:47,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:56:47,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:47,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 19:56:47,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:47,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:56:47,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:47,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:56:47,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:47,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:47,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:47,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:47,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:56:47,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:47,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:56:47,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:47,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:56:47,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:47,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:56:47,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:47,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:56:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:47,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:47,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:47,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:56:47,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:47,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-27 19:56:47,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:47,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:56:47,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:56:47,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:56:47,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:47,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:56:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:47,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:47,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:47,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:56:47,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:47,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 19:56:47,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:47,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:56:47,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:56:47,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:56:47,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:47,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 19:56:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:47,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:47,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:56:47,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:56:47,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:56:47,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 19:56:47,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:56:47,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:56:47,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:56:47,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 19:56:47,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:56:47,624 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-27 19:56:47,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [553818265] [2020-10-27 19:56:47,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:56:47,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-27 19:56:47,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719007055] [2020-10-27 19:56:47,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-27 19:56:47,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:56:47,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-27 19:56:47,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2020-10-27 19:56:47,627 INFO L87 Difference]: Start difference. First operand 189 states and 224 transitions. Second operand 24 states. [2020-10-27 19:56:48,531 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-10-27 19:56:50,339 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-10-27 19:56:51,506 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2020-10-27 19:56:53,384 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-10-27 19:56:54,846 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-10-27 19:56:55,779 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-10-27 19:56:57,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:56:57,000 INFO L93 Difference]: Finished difference Result 495 states and 602 transitions. [2020-10-27 19:56:57,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2020-10-27 19:56:57,001 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 91 [2020-10-27 19:56:57,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:56:57,006 INFO L225 Difference]: With dead ends: 495 [2020-10-27 19:56:57,006 INFO L226 Difference]: Without dead ends: 364 [2020-10-27 19:56:57,011 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1804 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=837, Invalid=5643, Unknown=0, NotChecked=0, Total=6480 [2020-10-27 19:56:57,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-10-27 19:56:57,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 219. [2020-10-27 19:56:57,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2020-10-27 19:56:57,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 263 transitions. [2020-10-27 19:56:57,048 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 263 transitions. Word has length 91 [2020-10-27 19:56:57,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:56:57,049 INFO L481 AbstractCegarLoop]: Abstraction has 219 states and 263 transitions. [2020-10-27 19:56:57,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-27 19:56:57,049 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 263 transitions. [2020-10-27 19:56:57,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-27 19:56:57,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:56:57,051 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:56:57,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 19:56:57,052 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:56:57,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:56:57,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1738994346, now seen corresponding path program 1 times [2020-10-27 19:56:57,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:56:57,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [760404869] [2020-10-27 19:56:57,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:56:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:56:57,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:57,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:57,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:57,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:58,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:58,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:56:58,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:02,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:02,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-27 19:57:02,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 19:57:02,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 19:57:02,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:02,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 19:57:02,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-27 19:57:02,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 19:57:02,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:02,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:57:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:02,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:02,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:02,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:02,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:02,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:57:02,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:02,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:02,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:02,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:02,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:02,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:57:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:02,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:02,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:02,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:57:02,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:02,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:57:02,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:02,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:02,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:02,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:02,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:02,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:02,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:02,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:02,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:02,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:02,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:02,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:02,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:02,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:02,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:02,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:02,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:02,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:02,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:02,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:02,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:02,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:02,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:02,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:02,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:02,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:02,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:02,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:57:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:02,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:02,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:02,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:02,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:02,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:57:02,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:02,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:02,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:02,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:02,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:02,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:02,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:02,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:02,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:02,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:02,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:02,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:02,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:02,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:02,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:02,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:02,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:57:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:02,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:02,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:02,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:57:02,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:02,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 19:57:02,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:02,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:02,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:02,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:02,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:02,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:02,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:02,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:02,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:02,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:02,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:02,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:02,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:02,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:02,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:02,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:02,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:02,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:02,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:02,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:02,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:57:02,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:02,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 19:57:02,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:02,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:02,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:02,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:02,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:02,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:02,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:02,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:02,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:02,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:02,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:02,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:02,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:02,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:02,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:02,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:02,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:02,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:02,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:02,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:02,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:02,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:57:02,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:02,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:02,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:02,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:02,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:02,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:02,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:02,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:02,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:02,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:02,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:02,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:02,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:02,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:02,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:02,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:02,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:02,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:57:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:02,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:02,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:02,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:57:02,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:02,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:57:02,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:02,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:02,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:02,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:02,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:02,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:02,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:02,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:02,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:02,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:02,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:57:02,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:02,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:02,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:02,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:02,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:02,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 19:57:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:02,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:02,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:02,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:02,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:02,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-27 19:57:02,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 19:57:02,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 307 [2020-10-27 19:57:02,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:02,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 19:57:02,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 19:57:02,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 19:57:02,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:02,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:02,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:02,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:02,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:57:02,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:02,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 19:57:02,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:02,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:57:02,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:02,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 19:57:02,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:02,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:57:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:02,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:02,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:02,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:57:02,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:02,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 19:57:02,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:02,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 19:57:02,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:57:02,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 19:57:02,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:02,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:02,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:02,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:02,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:02,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:02,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 19:57:02,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:02,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:57:02,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:02,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:57:02,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:02,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 19:57:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:02,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:02,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:02,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:02,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:02,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 19:57:02,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:02,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:57:02,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:57:02,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:57:02,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:03,098 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 34 proven. 12 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-27 19:57:03,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [760404869] [2020-10-27 19:57:03,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:57:03,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 19:57:03,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208043711] [2020-10-27 19:57:03,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 19:57:03,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:57:03,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 19:57:03,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2020-10-27 19:57:03,100 INFO L87 Difference]: Start difference. First operand 219 states and 263 transitions. Second operand 16 states. [2020-10-27 19:57:03,632 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 62 [2020-10-27 19:57:03,805 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2020-10-27 19:57:04,433 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2020-10-27 19:57:04,606 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2020-10-27 19:57:04,788 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2020-10-27 19:57:06,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:57:06,151 INFO L93 Difference]: Finished difference Result 353 states and 430 transitions. [2020-10-27 19:57:06,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 19:57:06,151 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 115 [2020-10-27 19:57:06,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:57:06,157 INFO L225 Difference]: With dead ends: 353 [2020-10-27 19:57:06,157 INFO L226 Difference]: Without dead ends: 225 [2020-10-27 19:57:06,159 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=139, Invalid=617, Unknown=0, NotChecked=0, Total=756 [2020-10-27 19:57:06,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-10-27 19:57:06,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 219. [2020-10-27 19:57:06,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2020-10-27 19:57:06,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 262 transitions. [2020-10-27 19:57:06,203 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 262 transitions. Word has length 115 [2020-10-27 19:57:06,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:57:06,205 INFO L481 AbstractCegarLoop]: Abstraction has 219 states and 262 transitions. [2020-10-27 19:57:06,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 19:57:06,205 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 262 transitions. [2020-10-27 19:57:06,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-27 19:57:06,209 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:57:06,209 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:57:06,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 19:57:06,210 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:57:06,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:57:06,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1892309817, now seen corresponding path program 2 times [2020-10-27 19:57:06,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:57:06,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [169579115] [2020-10-27 19:57:06,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:57:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:06,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:06,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:06,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:07,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:11,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:11,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-10-27 19:57:11,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 19:57:11,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 19:57:11,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:11,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 19:57:11,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-10-27 19:57:11,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 19:57:11,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:11,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:57:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:11,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:11,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:11,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:11,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:11,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:57:11,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:11,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:11,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:11,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:11,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:11,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:57:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:11,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:11,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:11,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:57:11,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:11,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:57:11,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:11,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:11,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:11,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:11,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:11,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:11,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:11,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:11,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:11,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:11,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:57:11,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:11,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:11,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:11,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:11,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:11,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:11,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:11,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:11,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:11,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:11,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:11,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:11,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:11,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:11,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:11,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:11,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:11,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:57:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:11,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:11,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:11,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:11,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:11,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:57:11,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:11,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:11,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:11,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:11,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:11,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:11,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:11,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:11,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:11,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:11,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:11,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:11,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:11,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:11,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:11,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:11,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:57:11,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:11,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:11,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:11,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:57:11,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:11,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 19:57:11,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:11,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:11,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:11,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:11,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:11,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:11,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:11,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:11,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:11,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:11,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:11,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:11,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:11,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:11,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:11,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:11,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:11,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:11,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:11,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:57:11,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:11,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 19:57:11,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:11,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:11,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:11,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:11,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:11,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:11,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:11,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:11,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:11,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:11,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:11,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:11,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:11,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:11,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:11,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:11,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:11,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:11,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:11,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:11,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:11,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:57:11,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:11,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:11,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:11,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:11,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:11,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:11,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:11,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:11,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:11,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:11,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:57:11,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:11,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:11,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:11,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:11,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:11,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:57:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:11,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:11,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:11,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:57:11,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:11,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:57:11,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:11,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:11,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:11,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:11,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:11,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:11,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:11,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:11,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:11,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:11,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:11,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:11,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:11,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:11,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:11,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:11,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 19:57:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:11,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:11,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:11,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 19:57:11,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:11,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-27 19:57:11,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:11,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 19:57:11,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 19:57:11,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 19:57:11,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:11,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:11,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:11,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:11,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:57:11,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:11,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 19:57:11,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:11,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:57:11,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:11,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 19:57:11,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:11,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:57:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:11,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:11,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:11,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 19:57:11,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:11,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 19:57:11,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:11,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 19:57:11,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:57:11,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 19:57:11,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:11,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:11,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:11,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:11,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:57:11,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:11,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 19:57:11,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:11,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:57:11,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:11,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 19:57:11,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:11,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 19:57:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:11,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:11,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:11,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:11,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:11,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:57:11,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:11,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:11,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 19:57:11,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:11,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:12,000 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 28 proven. 18 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-10-27 19:57:12,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [169579115] [2020-10-27 19:57:12,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:57:12,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 19:57:12,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848098568] [2020-10-27 19:57:12,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 19:57:12,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:57:12,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 19:57:12,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-27 19:57:12,003 INFO L87 Difference]: Start difference. First operand 219 states and 262 transitions. Second operand 14 states. [2020-10-27 19:57:12,714 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-27 19:57:15,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:57:15,470 INFO L93 Difference]: Finished difference Result 423 states and 504 transitions. [2020-10-27 19:57:15,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 19:57:15,471 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 118 [2020-10-27 19:57:15,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:57:15,474 INFO L225 Difference]: With dead ends: 423 [2020-10-27 19:57:15,474 INFO L226 Difference]: Without dead ends: 265 [2020-10-27 19:57:15,476 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=272, Invalid=918, Unknown=0, NotChecked=0, Total=1190 [2020-10-27 19:57:15,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-10-27 19:57:15,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 230. [2020-10-27 19:57:15,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-10-27 19:57:15,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 268 transitions. [2020-10-27 19:57:15,515 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 268 transitions. Word has length 118 [2020-10-27 19:57:15,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:57:15,515 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 268 transitions. [2020-10-27 19:57:15,515 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 19:57:15,515 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 268 transitions. [2020-10-27 19:57:15,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-27 19:57:15,518 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:57:15,518 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:57:15,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 19:57:15,518 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:57:15,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:57:15,519 INFO L82 PathProgramCache]: Analyzing trace with hash 343335833, now seen corresponding path program 1 times [2020-10-27 19:57:15,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:57:15,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [205106109] [2020-10-27 19:57:15,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:57:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:15,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:15,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:16,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:16,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:16,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:20,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:20,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-27 19:57:20,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 19:57:20,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 19:57:20,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:20,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-27 19:57:20,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-27 19:57:20,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-27 19:57:20,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:20,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:57:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:20,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:20,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:20,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:20,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:20,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:57:20,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:20,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:20,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:20,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:20,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:20,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:57:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:20,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:20,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:20,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:57:20,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:20,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:57:20,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:20,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:20,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:20,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:20,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:20,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:20,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:20,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:20,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:20,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:20,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:57:20,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:20,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:20,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:20,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:20,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:20,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:20,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:20,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:20,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:20,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:20,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:20,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:20,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:20,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:20,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:20,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:20,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:57:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:20,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:20,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:20,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:20,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:20,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 19:57:20,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:20,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:20,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:20,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:20,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:20,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:20,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:20,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:20,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:20,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:20,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:20,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:20,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:20,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:20,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:20,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:20,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:20,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:57:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:20,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:21,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:21,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:57:21,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:21,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-10-27 19:57:21,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:21,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 19:57:21,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:21,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 19:57:21,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:21,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:21,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:21,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:21,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:21,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:21,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:21,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:21,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:21,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:21,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:21,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:21,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:21,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:21,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:21,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:57:21,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:21,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-27 19:57:21,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:21,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 19:57:21,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:21,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 19:57:21,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:21,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:21,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:21,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:21,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:21,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:21,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:57:21,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:21,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:21,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:21,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:57:21,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:21,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:21,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:21,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:21,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:21,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:21,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 19:57:21,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:21,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:57:21,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:21,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:57:21,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:21,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:21,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:21,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:21,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:21,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:21,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:21,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:21,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:21,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:21,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:57:21,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:21,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:57:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:21,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:21,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:21,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:57:21,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:21,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 19:57:21,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:21,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:57:21,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:21,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:57:21,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:21,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:21,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:21,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:21,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:21,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:21,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 19:57:21,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:21,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:57:21,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:21,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:57:21,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:21,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 19:57:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:21,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:21,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:22,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:22,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:57:22,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:57:22,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1051 [2020-10-27 19:57:22,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:22,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 19:57:22,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:57:22,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-27 19:57:22,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:22,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:22,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:22,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:22,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:22,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:22,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:57:22,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:22,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:22,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:22,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:57:22,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:22,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:22,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:22,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:22,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:57:22,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:22,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 221 [2020-10-27 19:57:22,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:22,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 19:57:22,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:57:22,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-27 19:57:22,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:23,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:23,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:23,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:23,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:23,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:23,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:57:23,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:23,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:57:23,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:23,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:57:23,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:23,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:23,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:23,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:23,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:23,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:23,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 19:57:23,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:23,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 19:57:23,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:57:23,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 19:57:23,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:23,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:23,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:23,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:23,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:23,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:23,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:23,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:23,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:23,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:23,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:57:23,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:23,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:57:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:23,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:23,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:23,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:57:23,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:23,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 19:57:23,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:23,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:57:23,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:23,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:57:23,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:23,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:23,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:23,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:23,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:23,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:23,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 19:57:23,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:23,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:57:23,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:23,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:57:23,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:23,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 19:57:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:23,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:23,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:23,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:23,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:23,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:57:23,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:23,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:57:23,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:57:23,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:57:23,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:23,349 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 48 proven. 10 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-27 19:57:23,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [205106109] [2020-10-27 19:57:23,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:57:23,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-27 19:57:23,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146699901] [2020-10-27 19:57:23,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-27 19:57:23,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:57:23,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-27 19:57:23,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=692, Unknown=0, NotChecked=0, Total=756 [2020-10-27 19:57:23,351 INFO L87 Difference]: Start difference. First operand 230 states and 268 transitions. Second operand 28 states. [2020-10-27 19:57:27,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:57:27,448 INFO L93 Difference]: Finished difference Result 437 states and 522 transitions. [2020-10-27 19:57:27,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-27 19:57:27,449 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 132 [2020-10-27 19:57:27,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:57:27,452 INFO L225 Difference]: With dead ends: 437 [2020-10-27 19:57:27,452 INFO L226 Difference]: Without dead ends: 286 [2020-10-27 19:57:27,454 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 701 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=413, Invalid=3127, Unknown=0, NotChecked=0, Total=3540 [2020-10-27 19:57:27,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-10-27 19:57:27,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 225. [2020-10-27 19:57:27,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-10-27 19:57:27,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 264 transitions. [2020-10-27 19:57:27,487 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 264 transitions. Word has length 132 [2020-10-27 19:57:27,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:57:27,488 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 264 transitions. [2020-10-27 19:57:27,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-27 19:57:27,488 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 264 transitions. [2020-10-27 19:57:27,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-27 19:57:27,489 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:57:27,490 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:57:27,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 19:57:27,490 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:57:27,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:57:27,491 INFO L82 PathProgramCache]: Analyzing trace with hash -904640725, now seen corresponding path program 1 times [2020-10-27 19:57:27,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:57:27,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [491228647] [2020-10-27 19:57:27,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:57:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:27,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:27,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:28,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:32,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:32,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-27 19:57:32,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 19:57:32,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-27 19:57:32,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:32,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 19:57:32,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 19:57:32,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-10-27 19:57:32,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:32,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:57:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:32,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:32,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:32,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:32,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:32,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 19:57:32,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:32,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:32,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:32,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 19:57:32,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:32,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:57:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:32,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:32,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:32,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:57:32,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:32,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:32,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:32,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:32,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:32,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 19:57:32,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:32,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:32,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:32,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:32,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:32,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:32,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 19:57:32,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:32,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:32,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:32,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:57:32,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:32,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:32,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:32,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:32,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:32,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:32,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:32,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:32,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:32,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:32,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:32,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:32,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:57:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:32,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:32,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:32,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:32,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:32,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 19:57:32,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:32,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:32,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:32,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:57:32,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:32,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:32,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:32,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:32,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:32,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:32,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:32,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:32,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:32,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:32,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:32,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:32,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:57:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:32,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:32,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:32,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:57:32,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:32,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-27 19:57:32,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:32,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:32,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:32,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 19:57:32,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:32,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:32,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:32,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:32,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:32,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:32,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:57:32,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:32,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:32,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:32,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:32,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:32,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:32,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:32,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:32,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:57:32,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:32,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 19:57:32,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:32,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:32,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:32,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:32,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:32,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:32,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:32,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:32,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:32,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:32,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:32,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:32,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:32,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:32,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:32,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:32,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:32,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:32,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:32,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:32,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:32,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:57:32,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:32,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:32,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:32,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:32,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:32,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:32,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:32,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:32,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:32,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:32,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:32,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:32,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:32,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:32,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:32,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:32,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:57:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:32,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:32,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:32,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:57:32,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:32,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:57:32,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:32,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:32,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:32,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:32,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:32,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:32,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:32,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:32,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:32,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:32,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:57:32,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:32,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:32,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:32,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:32,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:32,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 19:57:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:32,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:33,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:33,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:33,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 19:57:33,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:57:33,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 663 [2020-10-27 19:57:33,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:33,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 19:57:33,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:33,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 19:57:33,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:33,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:33,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:33,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:33,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:57:33,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:33,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 19:57:33,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:33,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:57:33,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:33,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 19:57:33,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:33,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:57:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:33,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:34,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:34,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:34,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 19:57:34,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:57:34,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 417 [2020-10-27 19:57:34,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:34,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 19:57:34,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:34,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 19:57:34,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:34,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:34,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:34,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:34,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:57:34,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:34,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:57:34,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:34,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:34,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:34,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 19:57:34,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:34,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:57:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:34,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:34,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:34,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:34,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:34,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 19:57:34,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:34,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:57:34,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:34,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:57:34,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:34,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:34,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:34,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:34,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:34,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:34,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:34,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:34,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:34,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:34,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:57:34,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:34,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 19:57:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:34,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:34,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:34,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:57:34,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:34,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 19:57:34,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:34,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:57:34,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:34,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:57:34,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:34,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:34,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:34,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:34,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:34,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:34,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 19:57:34,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:34,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:57:34,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:34,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:57:34,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:34,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 19:57:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:34,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:34,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:34,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:34,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:34,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:57:34,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:34,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:57:34,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:57:34,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:57:34,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:34,914 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 54 proven. 15 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-27 19:57:34,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [491228647] [2020-10-27 19:57:34,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:57:34,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-27 19:57:34,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262269949] [2020-10-27 19:57:34,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-27 19:57:34,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:57:34,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-27 19:57:34,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=455, Unknown=0, NotChecked=0, Total=506 [2020-10-27 19:57:34,916 INFO L87 Difference]: Start difference. First operand 225 states and 264 transitions. Second operand 23 states. [2020-10-27 19:57:35,775 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2020-10-27 19:57:36,004 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2020-10-27 19:57:37,465 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2020-10-27 19:57:37,976 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-10-27 19:57:38,649 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 79 [2020-10-27 19:57:39,527 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-10-27 19:57:40,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:57:40,330 INFO L93 Difference]: Finished difference Result 326 states and 382 transitions. [2020-10-27 19:57:40,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-27 19:57:40,331 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 138 [2020-10-27 19:57:40,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:57:40,333 INFO L225 Difference]: With dead ends: 326 [2020-10-27 19:57:40,334 INFO L226 Difference]: Without dead ends: 246 [2020-10-27 19:57:40,336 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 431 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=368, Invalid=2082, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 19:57:40,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-10-27 19:57:40,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 200. [2020-10-27 19:57:40,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-10-27 19:57:40,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 229 transitions. [2020-10-27 19:57:40,382 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 229 transitions. Word has length 138 [2020-10-27 19:57:40,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:57:40,385 INFO L481 AbstractCegarLoop]: Abstraction has 200 states and 229 transitions. [2020-10-27 19:57:40,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-27 19:57:40,385 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 229 transitions. [2020-10-27 19:57:40,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-27 19:57:40,388 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:57:40,388 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:57:40,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 19:57:40,389 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:57:40,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:57:40,389 INFO L82 PathProgramCache]: Analyzing trace with hash 460647188, now seen corresponding path program 1 times [2020-10-27 19:57:40,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:57:40,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [453055083] [2020-10-27 19:57:40,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:57:40,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:40,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:40,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:40,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-27 19:57:40,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:40,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-10-27 19:57:40,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:40,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:57:40,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 184 [2020-10-27 19:57:40,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:57:40,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:40,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:57:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:40,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:40,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:40,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:40,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:40,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:40,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:40,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:40,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:40,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:40,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:40,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:57:40,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:40,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:40,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:40,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:57:40,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:40,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:57:40,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:40,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:40,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:40,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:40,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:40,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:40,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:40,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:40,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:40,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:40,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:57:40,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:40,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:40,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:40,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:40,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:40,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:40,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:40,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:40,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:40,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:40,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:40,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:40,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:40,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:40,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:40,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:40,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:57:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:40,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:40,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:40,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:40,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:40,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:57:40,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:40,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:40,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:40,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:40,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:40,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:40,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:40,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:40,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:40,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:40,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:40,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:40,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:40,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:40,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:40,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:40,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:57:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:40,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:40,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:40,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:57:40,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:40,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 19:57:40,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:40,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:40,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:40,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:40,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:40,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:40,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:40,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:40,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:40,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:40,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:40,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:40,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:40,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:40,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:40,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:40,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:40,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:40,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:40,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:57:40,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:40,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 19:57:40,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:40,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:40,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:40,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:40,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:40,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:40,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:40,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:40,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:40,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:40,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:40,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:40,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:40,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:40,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:40,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:40,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:40,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:40,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:40,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:40,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:40,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:57:40,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:40,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:40,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:40,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:40,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:40,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:40,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:40,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:40,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:40,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:40,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:57:40,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:40,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:40,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:40,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:40,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:40,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:57:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:40,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:40,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:40,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:57:40,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:40,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:57:40,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:40,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:40,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:40,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:40,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:40,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:40,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:40,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:40,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:40,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:40,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:40,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:40,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:40,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:40,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:40,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:40,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 19:57:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:40,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:40,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:40,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 19:57:40,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:40,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 19:57:40,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:40,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:40,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:40,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:40,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:40,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:40,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:40,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:40,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:57:40,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:40,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:57:40,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:40,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:40,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:40,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:40,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:40,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:57:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:40,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:40,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:40,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 19:57:40,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:40,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 19:57:40,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:40,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:40,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:40,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:40,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:40,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:40,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:40,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:40,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:57:40,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:40,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:57:40,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:40,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:40,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:40,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:40,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:40,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:57:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:40,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:40,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:40,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:40,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:40,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:57:40,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:40,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:40,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:40,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:40,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:40,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:40,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:40,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:40,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:40,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:40,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:40,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:40,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:40,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:40,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:40,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:40,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 19:57:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:40,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:41,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:41,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:57:41,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:41,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:57:41,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:41,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:41,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:41,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:41,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:41,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:41,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:41,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:41,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:41,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:41,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:41,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:41,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:41,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:41,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:41,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:41,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 19:57:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:41,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:41,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:41,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:41,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:41,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:57:41,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:41,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:57:41,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:41,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:57:41,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:41,064 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2020-10-27 19:57:41,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [453055083] [2020-10-27 19:57:41,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:57:41,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 19:57:41,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548029148] [2020-10-27 19:57:41,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 19:57:41,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:57:41,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 19:57:41,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 19:57:41,066 INFO L87 Difference]: Start difference. First operand 200 states and 229 transitions. Second operand 8 states. [2020-10-27 19:57:41,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:57:41,744 INFO L93 Difference]: Finished difference Result 218 states and 250 transitions. [2020-10-27 19:57:41,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 19:57:41,745 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 138 [2020-10-27 19:57:41,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:57:41,747 INFO L225 Difference]: With dead ends: 218 [2020-10-27 19:57:41,747 INFO L226 Difference]: Without dead ends: 214 [2020-10-27 19:57:41,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-27 19:57:41,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-10-27 19:57:41,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 212. [2020-10-27 19:57:41,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-10-27 19:57:41,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 241 transitions. [2020-10-27 19:57:41,790 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 241 transitions. Word has length 138 [2020-10-27 19:57:41,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:57:41,794 INFO L481 AbstractCegarLoop]: Abstraction has 212 states and 241 transitions. [2020-10-27 19:57:41,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 19:57:41,794 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 241 transitions. [2020-10-27 19:57:41,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-27 19:57:41,796 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:57:41,796 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:57:41,796 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 19:57:41,797 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:57:41,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:57:41,797 INFO L82 PathProgramCache]: Analyzing trace with hash 694351534, now seen corresponding path program 2 times [2020-10-27 19:57:41,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:57:41,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1848119150] [2020-10-27 19:57:41,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:57:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:41,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:42,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:42,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:46,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:46,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-27 19:57:46,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 19:57:46,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 19:57:46,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:46,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-27 19:57:46,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 19:57:46,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-27 19:57:46,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:46,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:57:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:46,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:46,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:46,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:46,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:46,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 19:57:46,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:46,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:46,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:46,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 19:57:46,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:46,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:57:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:46,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:46,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:46,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:57:46,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:46,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:46,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:46,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:46,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:46,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 19:57:46,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:46,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:46,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:46,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:46,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:46,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:46,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:57:46,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:46,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:46,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:46,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:57:46,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:46,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:46,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:46,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:46,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:46,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:46,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:46,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:47,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:47,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:47,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:47,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:47,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:57:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:47,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:47,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:47,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:47,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:47,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:57:47,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:47,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:47,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:47,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:57:47,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:47,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:47,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:47,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:47,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:47,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:47,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:47,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:47,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:47,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:47,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:47,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:47,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:57:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:47,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:47,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:47,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:57:47,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:47,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 19:57:47,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:47,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:47,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:47,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 19:57:47,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:47,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:47,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:47,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:47,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:47,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:47,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:47,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:47,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:47,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:47,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:47,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:47,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:47,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:47,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:47,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:57:47,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:47,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 19:57:47,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:47,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:47,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:47,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:47,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:47,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:47,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:47,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:47,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:57:47,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:47,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:47,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:47,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:47,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:47,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:47,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:47,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:57:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:47,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:47,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:47,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:47,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:47,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:47,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:47,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:47,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:47,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:47,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:47,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:47,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:47,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:47,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:47,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:47,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:57:47,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:47,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:47,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:47,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:47,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:47,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:57:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:47,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:47,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:47,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:57:47,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:47,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:57:47,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:47,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:47,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:47,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:47,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:47,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:47,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:47,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:47,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:47,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:47,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:47,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:47,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:57:47,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:47,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:57:47,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:47,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 19:57:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:47,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:47,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:48,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:48,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 19:57:48,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:57:48,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1219 [2020-10-27 19:57:48,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:48,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 19:57:48,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:48,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 19:57:48,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:48,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:48,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:48,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:48,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:57:48,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:48,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 19:57:48,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:48,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:57:48,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:48,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 19:57:48,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:48,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:57:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:48,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:48,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:49,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:49,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 19:57:49,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:57:49,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 701 [2020-10-27 19:57:49,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:49,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 19:57:49,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:49,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 19:57:49,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:49,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:49,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:49,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:49,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:57:49,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:49,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 19:57:49,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:49,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:57:49,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:49,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 19:57:49,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:49,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:57:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:49,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:49,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:49,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:57:49,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:49,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 19:57:49,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:49,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:57:49,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:49,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:57:49,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:49,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:49,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:49,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:49,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:57:49,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:49,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:57:49,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:49,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:57:49,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:49,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:57:49,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:49,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 19:57:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:49,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:49,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:49,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:57:49,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:49,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 19:57:49,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:49,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:57:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:57:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:57:49,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:49,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:57:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:49,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:49,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:49,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:57:49,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:49,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 19:57:49,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:49,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:57:49,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:57:49,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:57:49,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:49,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 19:57:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:49,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:49,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:57:49,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:57:49,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:57:49,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 19:57:49,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:57:49,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:57:49,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:57:49,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 19:57:49,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:57:50,135 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 63 proven. 21 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-27 19:57:50,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1848119150] [2020-10-27 19:57:50,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:57:50,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-27 19:57:50,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151766856] [2020-10-27 19:57:50,137 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-27 19:57:50,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:57:50,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-27 19:57:50,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=544, Unknown=0, NotChecked=0, Total=600 [2020-10-27 19:57:50,138 INFO L87 Difference]: Start difference. First operand 212 states and 241 transitions. Second operand 25 states. [2020-10-27 19:57:53,120 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 19:57:54,965 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-27 19:57:57,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:57:57,029 INFO L93 Difference]: Finished difference Result 351 states and 401 transitions. [2020-10-27 19:57:57,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-27 19:57:57,031 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 141 [2020-10-27 19:57:57,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:57:57,033 INFO L225 Difference]: With dead ends: 351 [2020-10-27 19:57:57,034 INFO L226 Difference]: Without dead ends: 263 [2020-10-27 19:57:57,035 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 882 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=561, Invalid=3471, Unknown=0, NotChecked=0, Total=4032 [2020-10-27 19:57:57,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2020-10-27 19:57:57,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 183. [2020-10-27 19:57:57,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-10-27 19:57:57,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 203 transitions. [2020-10-27 19:57:57,064 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 203 transitions. Word has length 141 [2020-10-27 19:57:57,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:57:57,064 INFO L481 AbstractCegarLoop]: Abstraction has 183 states and 203 transitions. [2020-10-27 19:57:57,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-27 19:57:57,064 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 203 transitions. [2020-10-27 19:57:57,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-27 19:57:57,066 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:57:57,066 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:57:57,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 19:57:57,067 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:57:57,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:57:57,067 INFO L82 PathProgramCache]: Analyzing trace with hash 790459467, now seen corresponding path program 3 times [2020-10-27 19:57:57,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:57:57,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [396208926] [2020-10-27 19:57:57,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:57:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:57:57,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:57,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:57:59,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:02,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:02,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-27 19:58:02,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 19:58:02,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5056 [2020-10-27 19:58:02,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:02,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-27 19:58:02,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 19:58:02,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-27 19:58:02,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:02,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:58:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:02,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:02,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:02,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:02,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:02,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:58:02,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:02,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:02,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:02,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 19:58:02,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:02,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:58:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:02,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:02,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:02,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:58:02,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:02,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:02,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:02,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:02,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:02,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 19:58:02,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:02,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:02,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:02,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:02,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:02,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:02,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:58:02,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:02,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:02,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:02,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:58:02,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:02,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:02,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:02,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:02,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:02,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:02,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:58:02,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:02,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:02,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:02,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:02,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:02,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:58:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:02,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:02,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:02,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:02,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:02,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:58:02,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:02,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:02,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:02,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:58:02,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:02,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:02,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:02,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:02,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:02,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:02,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:58:02,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:02,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:02,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:02,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:02,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:02,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:58:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:02,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:02,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:02,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:03,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:03,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:58:03,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 19:58:03,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 559 [2020-10-27 19:58:03,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:03,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 19:58:03,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:03,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 19:58:03,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:03,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:03,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:03,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:03,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:58:03,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:03,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 19:58:03,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:03,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:58:03,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:03,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:58:03,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:03,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:03,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:03,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:03,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:03,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:03,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:58:03,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:58:03,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 329 [2020-10-27 19:58:03,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:03,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 19:58:03,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:03,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 19:58:03,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:03,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:03,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:03,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:03,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:58:03,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:03,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:58:03,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:03,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:03,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:03,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:58:03,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:03,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:03,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:03,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:03,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:03,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:03,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 19:58:03,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:03,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:58:03,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:03,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:58:03,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:03,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:03,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:03,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:03,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:03,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:03,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:03,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:03,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:03,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:03,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:58:03,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:03,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:58:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:03,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:03,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:03,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:58:03,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:03,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 19:58:03,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:03,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:58:03,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:03,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:58:03,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:04,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:04,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:04,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:04,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:04,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:04,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 19:58:04,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:04,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:58:04,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:04,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:58:04,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:04,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 19:58:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:04,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:04,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:04,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 19:58:04,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:04,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 428 [2020-10-27 19:58:04,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:04,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-27 19:58:04,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:58:04,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 19:58:04,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:04,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:04,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:04,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:04,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:58:04,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:04,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:58:04,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:04,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:04,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:04,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 19:58:04,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:04,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:58:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:04,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:04,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:04,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 19:58:04,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:04,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-10-27 19:58:04,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:04,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 19:58:04,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:58:04,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 19:58:04,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:05,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:05,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:05,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:05,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:58:05,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:05,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:58:05,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:05,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:05,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:05,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 19:58:05,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:05,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:58:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:05,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:05,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:05,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:05,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:05,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 19:58:05,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:05,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:58:05,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:05,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:58:05,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:05,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:05,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:05,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:05,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:05,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:05,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:05,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:05,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:05,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:05,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:58:05,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:05,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 19:58:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:05,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:05,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:05,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:58:05,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:05,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-27 19:58:05,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:05,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 19:58:05,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:58:05,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:58:05,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:05,804 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-10-27 19:58:05,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:05,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:05,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:05,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:05,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:05,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 19:58:05,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:05,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:58:05,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:58:05,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:58:05,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:06,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 19:58:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:06,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:06,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:06,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:06,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:06,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 19:58:06,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:06,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:58:06,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:58:06,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:58:06,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:06,429 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 69 proven. 26 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-10-27 19:58:06,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [396208926] [2020-10-27 19:58:06,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:58:06,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2020-10-27 19:58:06,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033305005] [2020-10-27 19:58:06,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-10-27 19:58:06,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:58:06,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-10-27 19:58:06,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=1308, Unknown=0, NotChecked=0, Total=1406 [2020-10-27 19:58:06,431 INFO L87 Difference]: Start difference. First operand 183 states and 203 transitions. Second operand 38 states. [2020-10-27 19:58:06,873 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2020-10-27 19:58:07,642 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2020-10-27 19:58:07,906 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-10-27 19:58:08,259 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 104 [2020-10-27 19:58:08,591 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-10-27 19:58:08,844 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 79 [2020-10-27 19:58:09,096 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2020-10-27 19:58:09,716 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2020-10-27 19:58:10,046 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2020-10-27 19:58:11,020 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2020-10-27 19:58:11,311 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 95 [2020-10-27 19:58:11,603 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 94 [2020-10-27 19:58:12,968 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2020-10-27 19:58:13,230 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2020-10-27 19:58:14,209 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2020-10-27 19:58:14,394 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 73 [2020-10-27 19:58:14,609 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2020-10-27 19:58:14,835 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-10-27 19:58:16,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:58:16,741 INFO L93 Difference]: Finished difference Result 351 states and 400 transitions. [2020-10-27 19:58:16,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-10-27 19:58:16,742 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 144 [2020-10-27 19:58:16,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:58:16,745 INFO L225 Difference]: With dead ends: 351 [2020-10-27 19:58:16,745 INFO L226 Difference]: Without dead ends: 263 [2020-10-27 19:58:16,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1406 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=588, Invalid=5418, Unknown=0, NotChecked=0, Total=6006 [2020-10-27 19:58:16,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2020-10-27 19:58:16,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 197. [2020-10-27 19:58:16,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-10-27 19:58:16,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 218 transitions. [2020-10-27 19:58:16,779 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 218 transitions. Word has length 144 [2020-10-27 19:58:16,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:58:16,779 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 218 transitions. [2020-10-27 19:58:16,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 38 states. [2020-10-27 19:58:16,780 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 218 transitions. [2020-10-27 19:58:16,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-27 19:58:16,782 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:58:16,782 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:58:16,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 19:58:16,782 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:58:16,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:58:16,783 INFO L82 PathProgramCache]: Analyzing trace with hash -873100035, now seen corresponding path program 1 times [2020-10-27 19:58:16,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:58:16,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [982222021] [2020-10-27 19:58:16,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:58:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:16,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:16,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:17,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:17,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:21,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:21,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-27 19:58:21,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 19:58:21,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 19:58:21,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:21,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:58:21,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-10-27 19:58:21,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 19:58:21,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:21,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:58:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:21,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:21,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:21,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:21,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:21,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:21,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:21,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:21,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:21,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:21,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:21,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:58:21,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:21,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:21,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:21,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:58:21,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:21,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:58:21,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:21,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:21,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:21,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:21,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:21,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:21,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:21,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:21,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:21,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:21,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:21,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:21,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:21,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:21,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:21,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:21,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:21,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:21,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:21,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:21,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:21,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:58:21,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:21,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:21,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:21,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:21,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:21,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:58:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:21,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:21,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:21,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:21,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:21,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:21,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:21,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:21,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:21,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:21,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:21,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:21,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:21,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:21,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:21,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:21,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:58:21,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:21,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:21,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:21,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:21,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:21,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:58:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:21,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:21,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:21,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:58:21,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:21,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 19:58:21,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:21,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:21,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:21,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:21,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:21,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:21,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:21,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:21,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:58:21,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:21,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:21,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:21,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:21,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:21,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:21,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:21,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:21,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:21,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:21,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:58:21,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:21,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 19:58:21,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:21,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:21,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:21,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:21,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:21,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:21,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:21,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:21,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:58:21,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:21,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:21,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:21,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:21,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:21,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:21,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:21,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:21,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:21,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:21,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:21,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:21,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:21,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:21,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:21,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:21,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:21,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:21,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:21,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:21,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:21,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:21,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:21,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:21,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:21,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:21,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:21,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:21,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:22,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:58:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:22,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:22,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:22,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:58:22,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:22,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:58:22,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:22,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:22,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:22,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:22,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:22,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:22,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:22,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:22,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:22,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:22,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:22,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:22,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:22,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:22,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:22,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:22,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 19:58:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:22,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:22,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:22,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 19:58:22,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:22,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 19:58:22,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:22,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:22,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:22,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:22,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:22,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:22,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:22,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:22,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:58:22,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:22,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:22,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:22,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:22,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:22,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:22,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:22,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:58:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:22,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:22,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:22,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 19:58:22,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:22,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 19:58:22,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:22,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:22,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:22,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:22,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:22,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:22,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:22,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:22,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:58:22,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:22,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:22,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:22,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:22,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:22,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:22,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:22,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:58:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:22,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:22,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:22,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:22,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:22,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:22,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:22,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:22,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:22,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:22,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:22,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:22,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:22,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:22,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:22,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:22,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:58:22,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:22,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:22,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:22,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:22,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:22,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 19:58:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:22,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:22,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:22,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:58:22,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:22,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:58:22,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:22,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:22,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:22,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:22,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:22,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:22,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:22,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:22,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:22,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:22,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:58:22,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:22,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:22,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:22,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:22,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:22,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 19:58:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:22,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:22,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:22,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 19:58:22,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:22,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 19:58:22,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:22,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:58:22,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 19:58:22,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 19:58:22,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:22,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:22,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:22,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:22,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:58:22,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:22,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 19:58:22,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:22,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:58:22,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:22,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:58:22,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:22,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:22,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:22,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:22,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:22,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:22,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 19:58:22,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:22,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:58:22,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:58:22,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 19:58:22,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:22,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-27 19:58:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:22,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:22,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:22,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:22,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:22,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:58:22,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:22,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:22,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 19:58:22,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:22,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:22,353 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2020-10-27 19:58:22,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [982222021] [2020-10-27 19:58:22,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:58:22,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 19:58:22,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41084242] [2020-10-27 19:58:22,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 19:58:22,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:58:22,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 19:58:22,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-27 19:58:22,355 INFO L87 Difference]: Start difference. First operand 197 states and 218 transitions. Second operand 12 states. [2020-10-27 19:58:24,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:58:24,698 INFO L93 Difference]: Finished difference Result 342 states and 388 transitions. [2020-10-27 19:58:24,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 19:58:24,699 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 161 [2020-10-27 19:58:24,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:58:24,702 INFO L225 Difference]: With dead ends: 342 [2020-10-27 19:58:24,702 INFO L226 Difference]: Without dead ends: 259 [2020-10-27 19:58:24,703 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=179, Invalid=471, Unknown=0, NotChecked=0, Total=650 [2020-10-27 19:58:24,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-10-27 19:58:24,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 215. [2020-10-27 19:58:24,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-10-27 19:58:24,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 240 transitions. [2020-10-27 19:58:24,741 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 240 transitions. Word has length 161 [2020-10-27 19:58:24,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:58:24,741 INFO L481 AbstractCegarLoop]: Abstraction has 215 states and 240 transitions. [2020-10-27 19:58:24,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 19:58:24,742 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 240 transitions. [2020-10-27 19:58:24,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-27 19:58:24,743 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:58:24,743 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:58:24,744 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 19:58:24,744 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:58:24,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:58:24,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1627030680, now seen corresponding path program 1 times [2020-10-27 19:58:24,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:58:24,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [357344346] [2020-10-27 19:58:24,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:58:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:24,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:24,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:25,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:25,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:25,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:29,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:29,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-27 19:58:29,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 19:58:29,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-27 19:58:29,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:29,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 19:58:29,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-10-27 19:58:29,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:58:29,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:29,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:58:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:29,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:29,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:29,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:29,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:29,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:29,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:29,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:29,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:29,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:29,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:29,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:58:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:29,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:29,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:29,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:58:29,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:29,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:58:29,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:29,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:29,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:29,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:29,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:29,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:29,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:29,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:29,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:29,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:29,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:58:29,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:29,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:29,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:29,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:29,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:29,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:29,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:29,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:29,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:29,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:29,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:29,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:29,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:29,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:29,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:29,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:29,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:58:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:29,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:29,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:29,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:29,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:29,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:58:29,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:29,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:29,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:29,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:29,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:29,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:29,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:29,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:29,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:29,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:29,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:29,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:29,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:29,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:29,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:29,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:29,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:58:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:29,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:29,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:29,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:58:29,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:29,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 19:58:29,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:29,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:29,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:29,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:29,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:29,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:29,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:29,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:29,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:58:29,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:29,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:29,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:29,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:29,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:29,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:29,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:29,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:29,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:29,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:29,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:29,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:58:29,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:29,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 19:58:29,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:29,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:29,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:29,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:29,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:29,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:29,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:29,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:29,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:29,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:58:29,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:29,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:29,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:29,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:29,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:29,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:29,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:29,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:29,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:29,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:29,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:29,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:29,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:29,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:29,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:29,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:29,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:29,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:29,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:29,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:29,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:29,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:29,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:29,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:58:29,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:29,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:29,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:29,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:58:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:29,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:29,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:29,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:58:29,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:29,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:58:29,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:29,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:29,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:29,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:29,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:29,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:29,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:29,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:29,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:29,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:29,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:29,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:29,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:29,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:29,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:29,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:30,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 19:58:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:30,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:30,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:30,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 19:58:30,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:30,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 19:58:30,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:30,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:30,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:30,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:30,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:30,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:30,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:30,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:30,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:58:30,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:30,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:30,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:30,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:30,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:30,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:30,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:30,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:58:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:30,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:30,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:30,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 19:58:30,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:30,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 19:58:30,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:30,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:30,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:30,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:30,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:30,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:30,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:30,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:30,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:58:30,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:30,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:30,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:30,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:30,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:30,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:30,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:30,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:58:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:30,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:30,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:30,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:30,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:30,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:30,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:30,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:30,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:30,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:30,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:30,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:30,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:30,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:30,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:30,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:30,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:30,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:30,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:30,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:30,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:30,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:30,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 19:58:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:30,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:30,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:30,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:58:30,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:30,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:58:30,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:30,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:30,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:30,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:30,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:30,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:30,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:30,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:30,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:30,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:30,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:30,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:30,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:30,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:30,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:30,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:30,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 19:58:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:30,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:30,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:30,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 19:58:30,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:30,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-27 19:58:30,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:30,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 19:58:30,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 19:58:30,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:58:30,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:30,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:30,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:30,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:30,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:58:30,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:30,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 19:58:30,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:30,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:58:30,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:30,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:58:30,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:30,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:30,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:30,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:30,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 19:58:30,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:30,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 19:58:30,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:30,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 19:58:30,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:58:30,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 19:58:30,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:30,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 19:58:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:30,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:30,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:30,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:30,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:30,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:58:30,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:30,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:30,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 19:58:30,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:30,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:30,442 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2020-10-27 19:58:30,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [357344346] [2020-10-27 19:58:30,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:58:30,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 19:58:30,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550188359] [2020-10-27 19:58:30,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 19:58:30,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:58:30,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 19:58:30,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-10-27 19:58:30,444 INFO L87 Difference]: Start difference. First operand 215 states and 240 transitions. Second operand 14 states. [2020-10-27 19:58:32,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:58:32,525 INFO L93 Difference]: Finished difference Result 322 states and 377 transitions. [2020-10-27 19:58:32,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 19:58:32,526 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 164 [2020-10-27 19:58:32,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:58:32,528 INFO L225 Difference]: With dead ends: 322 [2020-10-27 19:58:32,528 INFO L226 Difference]: Without dead ends: 211 [2020-10-27 19:58:32,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552 [2020-10-27 19:58:32,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-10-27 19:58:32,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 202. [2020-10-27 19:58:32,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-10-27 19:58:32,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 227 transitions. [2020-10-27 19:58:32,562 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 227 transitions. Word has length 164 [2020-10-27 19:58:32,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:58:32,563 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 227 transitions. [2020-10-27 19:58:32,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 19:58:32,563 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 227 transitions. [2020-10-27 19:58:32,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-27 19:58:32,564 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:58:32,564 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:58:32,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 19:58:32,565 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:58:32,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:58:32,565 INFO L82 PathProgramCache]: Analyzing trace with hash 158268256, now seen corresponding path program 1 times [2020-10-27 19:58:32,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:58:32,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1781136291] [2020-10-27 19:58:32,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:58:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:32,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:32,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:33,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:33,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:37,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:37,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-27 19:58:37,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 19:58:37,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-27 19:58:37,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:37,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-27 19:58:37,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-27 19:58:37,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-27 19:58:37,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:37,828 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2020-10-27 19:58:37,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:58:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:37,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:37,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:37,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:37,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:37,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:37,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:37,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:37,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:37,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:37,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:37,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:58:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:37,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:37,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:37,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:58:37,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:37,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:58:37,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:37,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:37,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:37,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:37,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:37,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:37,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:37,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:37,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:37,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:37,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:37,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:37,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:37,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:37,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:37,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:37,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:37,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:37,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:37,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:37,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:37,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:58:37,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:37,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:37,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:37,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:37,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:37,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:58:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:37,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:37,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:37,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:37,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:37,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:37,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:37,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:37,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:37,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:37,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:37,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:37,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:37,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:37,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:37,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:37,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:58:37,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:37,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:37,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:37,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:37,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:37,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:58:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:37,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:37,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:37,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:58:37,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:37,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 19:58:37,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:37,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:37,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:37,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:37,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:37,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:37,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:37,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:37,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:58:37,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:37,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:37,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:37,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:37,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:37,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:37,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:37,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:37,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:37,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:37,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:58:37,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:37,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 19:58:37,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:37,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:37,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:37,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:37,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:37,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:37,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:37,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:37,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:58:37,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:37,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:37,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:37,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:37,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:37,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:37,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:37,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:37,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:37,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:37,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:37,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:37,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:37,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:37,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:37,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:37,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:37,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:37,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:37,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:37,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:37,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:37,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:37,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:58:37,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:37,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:37,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:37,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:37,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:37,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:58:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:37,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:37,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:37,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:58:37,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:37,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:58:37,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:37,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:37,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:37,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:37,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:37,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:37,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:37,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:37,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:37,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:37,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:37,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:37,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:37,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:37,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:37,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:37,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 19:58:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:38,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:38,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:39,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:39,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 19:58:39,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:58:39,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1190 [2020-10-27 19:58:39,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:39,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 19:58:39,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:39,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-27 19:58:39,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:39,388 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 32 [2020-10-27 19:58:39,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:39,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:39,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:39,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:58:39,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:39,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:58:39,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:39,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:39,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:39,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 19:58:39,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:39,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:58:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:39,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:39,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:39,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 19:58:39,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:39,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-27 19:58:39,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:39,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 19:58:39,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:39,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 19:58:39,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:39,951 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 41 [2020-10-27 19:58:40,134 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-10-27 19:58:40,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:40,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:40,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:40,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:58:40,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:40,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 19:58:40,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:40,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:58:40,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:40,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 19:58:40,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:40,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:58:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:40,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:40,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:40,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:40,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:40,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:58:40,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:40,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:40,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:40,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:58:40,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:40,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:40,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:40,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:40,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:40,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:40,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:40,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:40,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:40,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:40,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:40,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:40,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 19:58:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:40,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:40,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:40,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:58:40,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:40,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-27 19:58:40,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:40,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:58:40,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:58:40,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:58:40,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:40,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:40,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:40,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:40,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:40,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:40,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 19:58:40,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:40,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:58:40,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:40,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:58:40,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:40,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 19:58:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:40,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:40,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:41,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:41,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 19:58:41,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:58:41,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 552 [2020-10-27 19:58:41,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:41,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 19:58:41,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:58:41,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 19:58:41,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:41,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:41,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:41,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:41,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:58:41,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:41,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 19:58:41,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:41,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:58:41,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:41,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:58:41,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:41,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:41,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:41,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:41,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 19:58:41,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:41,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-27 19:58:41,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:41,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:58:41,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:58:41,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 19:58:41,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:42,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:58:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:42,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:42,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:42,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:58:42,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:42,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 19:58:42,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:42,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:42,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:42,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 19:58:42,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:42,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:42,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:42,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:42,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:42,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:42,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:42,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:42,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:42,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:42,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:42,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:42,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-27 19:58:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:42,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:42,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:42,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:58:42,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:42,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:42,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:42,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:42,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 19:58:42,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:42,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:42,414 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 58 proven. 11 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-10-27 19:58:42,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1781136291] [2020-10-27 19:58:42,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:58:42,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-27 19:58:42,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097549541] [2020-10-27 19:58:42,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-27 19:58:42,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:58:42,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-27 19:58:42,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=693, Unknown=0, NotChecked=0, Total=756 [2020-10-27 19:58:42,417 INFO L87 Difference]: Start difference. First operand 202 states and 227 transitions. Second operand 28 states. [2020-10-27 19:58:42,722 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2020-10-27 19:58:48,059 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2020-10-27 19:58:49,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:58:49,047 INFO L93 Difference]: Finished difference Result 323 states and 382 transitions. [2020-10-27 19:58:49,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-27 19:58:49,048 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 168 [2020-10-27 19:58:49,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:58:49,050 INFO L225 Difference]: With dead ends: 323 [2020-10-27 19:58:49,050 INFO L226 Difference]: Without dead ends: 234 [2020-10-27 19:58:49,052 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 564 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=289, Invalid=2681, Unknown=0, NotChecked=0, Total=2970 [2020-10-27 19:58:49,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-10-27 19:58:49,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 208. [2020-10-27 19:58:49,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-10-27 19:58:49,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 237 transitions. [2020-10-27 19:58:49,083 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 237 transitions. Word has length 168 [2020-10-27 19:58:49,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:58:49,083 INFO L481 AbstractCegarLoop]: Abstraction has 208 states and 237 transitions. [2020-10-27 19:58:49,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-27 19:58:49,083 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 237 transitions. [2020-10-27 19:58:49,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-27 19:58:49,084 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:58:49,084 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:58:49,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 19:58:49,085 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:58:49,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:58:49,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1287636053, now seen corresponding path program 1 times [2020-10-27 19:58:49,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:58:49,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [273222220] [2020-10-27 19:58:49,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:58:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:49,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:49,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:50,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:54,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:54,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-27 19:58:54,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 19:58:54,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 19:58:54,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:54,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-27 19:58:54,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 19:58:54,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 222 [2020-10-27 19:58:54,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:54,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:58:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:54,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:54,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:54,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:54,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:54,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:58:54,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:54,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:54,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:54,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 19:58:54,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:54,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:58:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:54,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:54,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:54,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:58:54,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:54,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:54,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:54,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:54,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:54,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 19:58:54,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:54,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:54,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:54,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:54,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:54,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:54,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:58:54,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:54,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:54,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:54,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:58:54,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:54,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:54,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:54,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:54,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:54,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:54,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:54,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:54,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:54,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:54,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:54,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:54,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:58:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:54,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:54,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:54,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:54,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:54,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:58:54,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:54,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:54,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:54,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:58:54,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:54,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:54,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:54,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:54,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:54,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:54,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:58:54,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:54,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:54,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:54,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:54,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:54,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:58:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:54,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:54,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:54,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:58:54,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:54,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-27 19:58:54,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:54,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 19:58:54,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:54,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 19:58:54,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:54,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:54,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:54,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:54,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:58:54,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:54,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:58:54,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:54,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:58:54,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:54,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:58:54,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:54,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:54,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:54,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:54,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:58:54,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:54,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-27 19:58:54,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:54,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 19:58:54,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:54,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 19:58:54,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:54,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:54,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:54,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:54,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:58:54,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:54,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:58:54,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:54,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:54,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:54,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:58:54,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:54,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:54,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:54,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:54,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:54,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:54,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 19:58:54,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:54,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:58:54,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:54,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:58:54,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:54,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:54,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:54,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:54,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:54,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:54,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:58:54,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:54,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:54,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:54,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:58:54,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:54,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:58:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:54,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:54,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:54,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:58:54,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:54,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 19:58:54,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:54,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:58:54,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:54,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:58:54,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:55,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:55,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:55,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:55,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:55,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:55,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 19:58:55,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:55,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:58:55,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:55,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:58:55,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:55,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 19:58:55,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:55,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:55,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:55,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 19:58:55,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:55,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 338 [2020-10-27 19:58:55,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:55,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 19:58:55,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:58:55,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 19:58:55,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:55,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:55,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:55,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:55,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:58:55,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:55,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:58:55,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:55,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:55,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:55,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 19:58:55,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:55,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:58:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:55,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:55,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:55,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 19:58:55,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:55,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-10-27 19:58:55,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:55,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 19:58:55,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:58:55,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 19:58:55,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:56,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:56,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:56,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:56,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:58:56,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:56,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:58:56,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:56,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:56,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:56,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 19:58:56,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:56,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:58:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:56,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:56,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:56,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:58:56,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:56,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 19:58:56,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:56,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:58:56,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:56,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:58:56,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:56,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:56,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:56,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:56,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:58:56,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:56,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:58:56,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:56,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:56,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:56,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:58:56,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:56,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 19:58:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:56,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:56,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:56,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:58:56,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:56,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 19:58:56,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:56,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:58:56,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:58:56,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:58:56,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:56,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:56,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:56,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:56,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:56,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:56,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 19:58:56,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:56,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:58:56,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:56,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:58:56,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:56,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 19:58:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:56,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:56,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:56,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 19:58:56,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:56,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-27 19:58:56,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:56,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 19:58:56,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:58:56,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 19:58:56,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:56,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:56,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:56,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:56,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:58:56,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:56,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:58:56,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:56,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:58:56,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:56,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:58:56,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:56,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:58:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:56,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:56,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:56,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 19:58:56,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:56,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-27 19:58:56,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:56,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 19:58:56,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:58:56,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 19:58:56,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:57,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:58:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:57,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:57,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:57,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:58:57,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:57,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 19:58:57,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:57,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:58:57,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:58:57,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:58:57,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:57,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:58:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:57,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:57,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:57,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:58:57,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:57,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 19:58:57,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:57,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:58:57,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:58:57,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:58:57,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:57,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-27 19:58:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:58:57,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:58:57,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:58:57,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:58:57,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:58:57,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:58:57,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:58:57,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:58:57,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:58:57,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:58:57,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:58:57,690 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-10-27 19:58:57,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [273222220] [2020-10-27 19:58:57,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:58:57,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2020-10-27 19:58:57,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592571909] [2020-10-27 19:58:57,692 INFO L461 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-10-27 19:58:57,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:58:57,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-10-27 19:58:57,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1528, Unknown=0, NotChecked=0, Total=1640 [2020-10-27 19:58:57,693 INFO L87 Difference]: Start difference. First operand 208 states and 237 transitions. Second operand 41 states. [2020-10-27 19:58:59,290 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2020-10-27 19:58:59,592 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2020-10-27 19:58:59,858 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 80 [2020-10-27 19:59:00,120 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 85 [2020-10-27 19:59:01,543 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-10-27 19:59:01,829 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2020-10-27 19:59:02,057 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-10-27 19:59:02,419 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2020-10-27 19:59:04,636 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2020-10-27 19:59:04,924 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-10-27 19:59:05,293 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2020-10-27 19:59:05,591 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-10-27 19:59:08,325 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2020-10-27 19:59:08,955 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2020-10-27 19:59:10,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:59:10,363 INFO L93 Difference]: Finished difference Result 375 states and 446 transitions. [2020-10-27 19:59:10,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-10-27 19:59:10,369 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 171 [2020-10-27 19:59:10,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:59:10,372 INFO L225 Difference]: With dead ends: 375 [2020-10-27 19:59:10,372 INFO L226 Difference]: Without dead ends: 312 [2020-10-27 19:59:10,376 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2234 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=886, Invalid=8044, Unknown=0, NotChecked=0, Total=8930 [2020-10-27 19:59:10,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-10-27 19:59:10,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 260. [2020-10-27 19:59:10,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-10-27 19:59:10,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 309 transitions. [2020-10-27 19:59:10,427 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 309 transitions. Word has length 171 [2020-10-27 19:59:10,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:59:10,427 INFO L481 AbstractCegarLoop]: Abstraction has 260 states and 309 transitions. [2020-10-27 19:59:10,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 41 states. [2020-10-27 19:59:10,427 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 309 transitions. [2020-10-27 19:59:10,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-27 19:59:10,429 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:59:10,429 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:59:10,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-27 19:59:10,429 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:59:10,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:59:10,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1539141956, now seen corresponding path program 2 times [2020-10-27 19:59:10,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:59:10,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2030189195] [2020-10-27 19:59:10,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:59:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:10,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:13,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:14,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:15,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:15,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-27 19:59:15,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 19:59:15,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5224 [2020-10-27 19:59:15,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:15,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-27 19:59:15,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 19:59:15,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 223 [2020-10-27 19:59:15,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:16,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:59:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:16,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:16,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:16,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:59:16,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:59:16,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:59:16,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:16,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:59:16,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:59:16,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 19:59:16,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:16,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 19:59:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:16,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:16,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:16,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 19:59:16,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:59:16,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:59:16,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:16,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:59:16,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:59:16,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 19:59:16,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:16,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:59:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:16,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:16,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:16,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:59:16,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:59:16,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:59:16,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:16,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:59:16,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:59:16,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:59:16,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:16,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:59:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:16,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:16,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:16,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:59:16,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:59:16,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:59:16,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:16,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:59:16,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:59:16,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:59:16,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:16,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:59:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:16,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:16,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:16,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:59:16,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:59:16,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:59:16,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:16,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:59:16,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:59:16,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:59:16,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:16,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:59:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:16,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:16,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:16,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:59:16,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:59:16,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 19:59:16,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:16,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:59:16,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:59:16,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:59:16,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:16,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:59:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:16,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:16,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:16,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:16,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 19:59:16,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:59:16,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 814 [2020-10-27 19:59:16,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:16,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 19:59:16,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:59:16,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 19:59:16,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:17,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:59:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:17,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:17,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:17,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:59:17,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:59:17,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:59:17,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:17,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:59:17,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:59:17,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:59:17,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:17,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:59:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:17,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:17,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:17,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 19:59:17,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:59:17,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-10-27 19:59:17,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:17,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 19:59:17,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:59:17,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 19:59:17,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:17,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:59:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:17,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:17,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:17,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:59:17,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:59:17,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 19:59:17,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:17,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:59:17,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:59:17,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:59:17,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:17,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:59:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:17,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:17,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:17,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:59:17,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:59:17,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 19:59:17,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:17,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:59:17,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:59:17,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 19:59:17,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:17,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:59:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:17,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:17,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:17,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:59:17,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:59:17,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:59:17,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:17,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:59:17,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:59:17,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:59:17,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:17,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 19:59:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:17,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:17,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:17,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:59:17,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:59:17,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-27 19:59:17,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:17,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 19:59:17,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:59:17,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:59:17,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:18,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:59:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:18,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:18,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:18,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:59:18,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:59:18,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 19:59:18,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:18,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:59:18,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:59:18,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:59:18,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:18,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 19:59:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:18,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:18,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:18,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 19:59:18,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:59:18,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 486 [2020-10-27 19:59:18,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:18,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-27 19:59:18,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:59:18,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 19:59:18,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:18,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:59:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:18,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:18,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:18,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:59:18,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:59:18,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:59:18,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:18,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:59:18,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:59:18,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 19:59:18,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:18,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:59:18,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:18,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:19,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:19,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 19:59:19,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:59:19,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 326 [2020-10-27 19:59:19,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:19,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-27 19:59:19,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:59:19,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 19:59:19,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:19,707 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2020-10-27 19:59:19,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:59:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:19,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:19,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:19,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:59:19,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:59:19,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:59:19,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:19,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:59:19,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:59:19,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 19:59:19,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:19,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:59:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:19,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:19,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:19,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 19:59:19,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:59:19,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 19:59:19,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:19,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 19:59:19,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:59:19,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 19:59:19,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:19,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:59:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:19,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:19,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:19,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:59:19,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:59:19,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:59:19,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:19,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:59:19,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:59:19,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:59:19,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:19,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 19:59:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:19,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:19,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:19,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:59:19,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:59:19,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-27 19:59:19,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:19,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 19:59:19,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:59:19,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:59:19,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:20,304 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2020-10-27 19:59:20,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:59:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:20,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:20,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:20,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:59:20,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:59:20,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 19:59:20,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:20,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:59:20,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:59:20,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:59:20,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:20,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 19:59:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:20,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:20,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:20,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 19:59:20,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:59:20,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 221 [2020-10-27 19:59:20,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:20,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 19:59:20,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:59:20,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 19:59:20,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:21,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:59:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:21,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:21,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:21,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:59:21,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:59:21,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:59:21,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:21,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:59:21,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:59:21,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:59:21,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:21,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:59:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:21,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:21,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:21,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 19:59:21,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:59:21,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-27 19:59:21,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:21,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 19:59:21,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:59:21,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 19:59:21,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:21,967 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 71 [2020-10-27 19:59:21,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:59:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:21,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:22,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:22,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:59:22,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:59:22,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-27 19:59:22,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:22,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 19:59:22,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:59:22,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:59:22,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:24,084 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 174 DAG size of output: 82 [2020-10-27 19:59:24,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:59:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:24,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:24,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:24,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:59:24,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:59:24,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-27 19:59:24,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:24,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:59:24,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:59:24,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:59:24,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:26,147 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 208 DAG size of output: 71 [2020-10-27 19:59:26,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-27 19:59:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:59:26,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:59:26,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:59:26,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 19:59:26,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:59:26,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 19:59:26,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:59:26,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:59:26,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:59:26,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 19:59:26,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:59:26,451 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-10-27 19:59:26,977 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 51 proven. 47 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-27 19:59:26,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2030189195] [2020-10-27 19:59:26,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:59:26,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2020-10-27 19:59:26,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658665503] [2020-10-27 19:59:26,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 48 states [2020-10-27 19:59:26,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:59:26,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2020-10-27 19:59:26,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=2139, Unknown=0, NotChecked=0, Total=2256 [2020-10-27 19:59:26,980 INFO L87 Difference]: Start difference. First operand 260 states and 309 transitions. Second operand 48 states. [2020-10-27 19:59:27,379 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 69 [2020-10-27 19:59:29,299 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2020-10-27 19:59:29,597 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2020-10-27 19:59:30,001 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-10-27 19:59:30,377 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2020-10-27 19:59:30,688 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 84 [2020-10-27 19:59:31,117 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 101 [2020-10-27 19:59:31,511 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 104 [2020-10-27 19:59:31,951 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 87 [2020-10-27 19:59:32,347 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 55 [2020-10-27 19:59:32,754 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2020-10-27 19:59:33,107 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2020-10-27 19:59:33,470 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-10-27 19:59:34,244 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-10-27 19:59:34,715 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2020-10-27 19:59:35,154 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2020-10-27 19:59:35,443 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2020-10-27 19:59:35,916 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2020-10-27 19:59:36,242 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-10-27 19:59:39,142 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-27 19:59:39,807 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 19:59:40,447 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-27 19:59:43,670 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 83 [2020-10-27 19:59:44,524 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 89