/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 06:32:16,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 06:32:16,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 06:32:16,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 06:32:16,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 06:32:16,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 06:32:16,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 06:32:16,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 06:32:16,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 06:32:16,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 06:32:16,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 06:32:16,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 06:32:16,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 06:32:16,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 06:32:16,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 06:32:16,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 06:32:16,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 06:32:16,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 06:32:16,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 06:32:16,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 06:32:16,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 06:32:16,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 06:32:16,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 06:32:16,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 06:32:16,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 06:32:16,702 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 06:32:16,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 06:32:16,704 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 06:32:16,704 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 06:32:16,705 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 06:32:16,706 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 06:32:16,707 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 06:32:16,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 06:32:16,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 06:32:16,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 06:32:16,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 06:32:16,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 06:32:16,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 06:32:16,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 06:32:16,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 06:32:16,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 06:32:16,717 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 06:32:16,774 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 06:32:16,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 06:32:16,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 06:32:16,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 06:32:16,778 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 06:32:16,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 06:32:16,778 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 06:32:16,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 06:32:16,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 06:32:16,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 06:32:16,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 06:32:16,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 06:32:16,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 06:32:16,779 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 06:32:16,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 06:32:16,780 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 06:32:16,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 06:32:16,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 06:32:16,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 06:32:16,782 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 06:32:16,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 06:32:16,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 06:32:16,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 06:32:16,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 06:32:16,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 06:32:16,783 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 06:32:16,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 06:32:16,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 06:32:16,783 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 06:32:16,784 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 06:32:17,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 06:32:17,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 06:32:17,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 06:32:17,254 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 06:32:17,254 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 06:32:17,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c [2020-10-27 06:32:17,352 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/389e1b249/2093e370a970476e8dea928d76187a14/FLAGc40f3fbe6 [2020-10-27 06:32:18,098 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 06:32:18,099 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c [2020-10-27 06:32:18,115 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/389e1b249/2093e370a970476e8dea928d76187a14/FLAGc40f3fbe6 [2020-10-27 06:32:18,448 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/389e1b249/2093e370a970476e8dea928d76187a14 [2020-10-27 06:32:18,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 06:32:18,459 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 06:32:18,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 06:32:18,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 06:32:18,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 06:32:18,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:32:18" (1/1) ... [2020-10-27 06:32:18,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@434741b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:32:18, skipping insertion in model container [2020-10-27 06:32:18,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:32:18" (1/1) ... [2020-10-27 06:32:18,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 06:32:18,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 06:32:18,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:32:18,737 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 06:32:18,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:32:18,821 INFO L208 MainTranslator]: Completed translation [2020-10-27 06:32:18,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:32:18 WrapperNode [2020-10-27 06:32:18,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 06:32:18,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 06:32:18,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 06:32:18,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 06:32:18,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:32:18" (1/1) ... [2020-10-27 06:32:18,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:32:18" (1/1) ... [2020-10-27 06:32:18,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:32:18" (1/1) ... [2020-10-27 06:32:18,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:32:18" (1/1) ... [2020-10-27 06:32:18,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:32:18" (1/1) ... [2020-10-27 06:32:18,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:32:18" (1/1) ... [2020-10-27 06:32:18,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:32:18" (1/1) ... [2020-10-27 06:32:18,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 06:32:18,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 06:32:18,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 06:32:18,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 06:32:18,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:32:18" (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 06:32:19,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 06:32:19,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 06:32:19,044 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 06:32:19,044 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-27 06:32:19,044 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2020-10-27 06:32:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2020-10-27 06:32:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2020-10-27 06:32:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2020-10-27 06:32:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2020-10-27 06:32:19,046 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2020-10-27 06:32:19,046 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-27 06:32:19,046 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-27 06:32:19,046 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-27 06:32:19,046 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-27 06:32:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-27 06:32:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-27 06:32:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-27 06:32:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-27 06:32:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-27 06:32:19,048 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-27 06:32:19,048 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 06:32:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 06:32:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 06:32:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 06:32:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 06:32:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 06:32:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-27 06:32:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2020-10-27 06:32:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2020-10-27 06:32:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2020-10-27 06:32:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2020-10-27 06:32:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2020-10-27 06:32:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2020-10-27 06:32:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-27 06:32:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-27 06:32:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-27 06:32:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-27 06:32:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-27 06:32:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-27 06:32:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-27 06:32:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-27 06:32:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-27 06:32:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-27 06:32:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 06:32:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 06:32:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 06:32:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 06:32:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 06:32:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 06:32:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 06:32:19,837 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 06:32:19,838 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 06:32:19,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:32:19 BoogieIcfgContainer [2020-10-27 06:32:19,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 06:32:19,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 06:32:19,842 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 06:32:19,846 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 06:32:19,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:32:18" (1/3) ... [2020-10-27 06:32:19,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ce50cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:32:19, skipping insertion in model container [2020-10-27 06:32:19,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:32:18" (2/3) ... [2020-10-27 06:32:19,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ce50cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:32:19, skipping insertion in model container [2020-10-27 06:32:19,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:32:19" (3/3) ... [2020-10-27 06:32:19,850 INFO L111 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-1.c [2020-10-27 06:32:19,863 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 06:32:19,868 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 06:32:19,882 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 06:32:19,912 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 06:32:19,912 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 06:32:19,913 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 06:32:19,913 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 06:32:19,913 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 06:32:19,913 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 06:32:19,913 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 06:32:19,914 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 06:32:19,936 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2020-10-27 06:32:19,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-27 06:32:19,948 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:32:19,949 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:32:19,949 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:32:19,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:32:19,961 INFO L82 PathProgramCache]: Analyzing trace with hash 106700402, now seen corresponding path program 1 times [2020-10-27 06:32:19,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:32:19,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2118392306] [2020-10-27 06:32:19,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:32:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:20,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:20,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:20,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:20,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:21,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:21,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:25,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:25,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 06:32:25,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 06:32:25,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 06:32:25,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:25,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:32:25,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 06:32:25,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-27 06:32:25,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 06:32:25,440 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 06:32:25,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:32:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:25,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:25,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:25,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:32:25,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:25,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:32:25,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:25,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:25,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:25,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:25,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:25,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:32:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:25,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:25,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:25,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:32:25,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:25,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 06:32:25,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:25,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:25,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:25,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:32:25,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:32:25,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:32:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:25,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:25,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:25,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:32:25,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:25,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:32:25,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:25,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:25,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:25,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:32:25,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:32:25,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 06:32:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:25,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:25,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:25,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:32:25,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:25,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:32:25,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:25,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:25,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:25,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:32:25,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:32:25,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:32:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:25,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:25,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:25,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:32:25,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:25,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:32:25,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:25,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:25,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:25,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:32:25,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:25,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:32:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:25,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:25,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:25,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:25,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 06:32:25,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:32:25,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-27 06:32:25,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:25,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:25,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:32:25,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 06:32:25,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:25,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:32:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:25,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:25,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:25,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:32:25,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:25,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:32:25,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:25,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:25,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:25,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:32:25,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:25,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:32:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:25,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:25,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:25,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:32:25,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:25,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:32:25,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:25,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:25,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:25,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:32:25,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:25,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:32:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:25,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:25,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:25,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:32:25,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:25,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:32:25,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:25,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:25,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:32:25,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:25,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:25,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 06:32:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:25,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:25,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:25,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:32:25,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:25,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:32:25,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:25,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:25,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:32:25,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:25,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:25,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:32:25,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2118392306] [2020-10-27 06:32:25,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:32:25,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 06:32:26,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444314873] [2020-10-27 06:32:26,008 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 06:32:26,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:32:26,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 06:32:26,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:32:26,029 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 9 states. [2020-10-27 06:32:30,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:32:30,605 INFO L93 Difference]: Finished difference Result 544 states and 897 transitions. [2020-10-27 06:32:30,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 06:32:30,608 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2020-10-27 06:32:30,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:32:30,628 INFO L225 Difference]: With dead ends: 544 [2020-10-27 06:32:30,628 INFO L226 Difference]: Without dead ends: 404 [2020-10-27 06:32:30,636 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2020-10-27 06:32:30,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2020-10-27 06:32:30,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 222. [2020-10-27 06:32:30,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-10-27 06:32:30,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 290 transitions. [2020-10-27 06:32:30,805 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 290 transitions. Word has length 79 [2020-10-27 06:32:30,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:32:30,806 INFO L481 AbstractCegarLoop]: Abstraction has 222 states and 290 transitions. [2020-10-27 06:32:30,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 06:32:30,806 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 290 transitions. [2020-10-27 06:32:30,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-27 06:32:30,810 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:32:30,811 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:32:30,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 06:32:30,811 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:32:30,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:32:30,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1574903731, now seen corresponding path program 1 times [2020-10-27 06:32:30,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:32:30,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1384252028] [2020-10-27 06:32:30,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:32:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:30,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:30,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:30,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:31,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:31,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:31,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:35,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:35,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 06:32:35,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 06:32:35,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 06:32:35,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:35,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 06:32:35,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 06:32:35,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 06:32:35,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 06:32:35,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:32:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:35,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:36,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:36,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:32:36,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:36,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:32:36,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:36,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:36,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:36,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:36,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:36,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:32:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:36,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:36,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:36,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:32:36,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:36,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:32:36,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:36,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:36,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:36,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:32:36,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:36,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:32:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:36,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:36,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:36,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:32:36,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:36,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:32:36,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:36,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:32:36,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:32:36,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:32:36,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:36,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 06:32:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:36,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:36,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:36,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:32:36,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:36,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:32:36,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:36,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:36,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:36,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:32:36,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:36,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:32:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:36,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:36,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:36,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:32:36,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:36,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:32:36,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:36,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:32:36,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:32:36,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:32:36,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:36,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:32:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:36,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:36,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:36,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:36,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:36,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 06:32:36,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 06:32:36,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-27 06:32:36,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:36,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:36,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:36,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 06:32:36,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:36,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:32:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:36,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:36,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:36,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:32:36,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:36,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:32:36,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:36,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:36,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:36,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:36,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:36,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:32:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:36,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:36,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:36,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:32:36,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:36,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:32:36,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:36,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:36,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:36,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:36,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:36,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:32:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:36,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:36,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:36,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:32:36,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:36,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:32:36,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:36,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:32:36,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:32:36,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:32:36,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:36,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 06:32:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:36,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:36,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:36,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:32:36,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:36,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:32:36,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:36,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:36,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:32:36,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:36,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:36,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:32:36,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1384252028] [2020-10-27 06:32:36,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:32:36,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 06:32:36,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077264541] [2020-10-27 06:32:36,392 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 06:32:36,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:32:36,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 06:32:36,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-10-27 06:32:36,394 INFO L87 Difference]: Start difference. First operand 222 states and 290 transitions. Second operand 11 states. [2020-10-27 06:32:36,570 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:32:39,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:32:39,542 INFO L93 Difference]: Finished difference Result 958 states and 1455 transitions. [2020-10-27 06:32:39,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 06:32:39,543 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 79 [2020-10-27 06:32:39,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:32:39,566 INFO L225 Difference]: With dead ends: 958 [2020-10-27 06:32:39,566 INFO L226 Difference]: Without dead ends: 755 [2020-10-27 06:32:39,570 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=213, Invalid=599, Unknown=0, NotChecked=0, Total=812 [2020-10-27 06:32:39,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2020-10-27 06:32:39,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 442. [2020-10-27 06:32:39,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2020-10-27 06:32:39,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 580 transitions. [2020-10-27 06:32:39,712 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 580 transitions. Word has length 79 [2020-10-27 06:32:39,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:32:39,713 INFO L481 AbstractCegarLoop]: Abstraction has 442 states and 580 transitions. [2020-10-27 06:32:39,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 06:32:39,713 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 580 transitions. [2020-10-27 06:32:39,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-27 06:32:39,717 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:32:39,717 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:32:39,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 06:32:39,717 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:32:39,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:32:39,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1333860171, now seen corresponding path program 1 times [2020-10-27 06:32:39,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:32:39,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [29912834] [2020-10-27 06:32:39,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:32:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:39,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:39,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:39,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:40,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:40,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:44,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:44,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 06:32:44,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 06:32:44,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 06:32:44,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:44,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:32:44,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 06:32:44,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 06:32:44,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:44,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:32:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:44,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:44,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:44,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:32:44,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:44,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:32:44,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:44,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:44,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:44,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:44,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:32:44,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:32:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:44,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:44,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:44,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:32:44,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:44,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:32:44,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:44,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:44,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:44,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:32:44,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:44,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:32:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:44,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:44,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:44,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:32:44,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:44,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:32:44,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:44,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:32:44,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:32:44,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:32:44,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:44,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 06:32:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:44,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:44,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:44,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:32:44,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:44,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:32:45,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:45,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:45,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:45,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:32:45,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:45,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:32:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:45,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:45,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:45,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:32:45,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:45,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:32:45,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:45,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:32:45,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:32:45,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:32:45,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:45,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:32:45,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:45,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:45,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:45,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:45,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:45,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 06:32:45,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 06:32:45,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-27 06:32:45,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:45,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:32:45,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:32:45,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:32:45,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:45,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:32:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:45,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:45,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:45,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:32:45,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:45,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:32:45,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:45,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:32:45,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:45,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:32:45,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:45,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:32:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:45,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:45,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:45,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:32:45,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:45,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:32:45,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:45,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:45,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:32:45,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:45,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:45,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:32:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:45,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:45,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:45,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:32:45,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:45,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:32:45,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:45,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:45,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:32:45,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:45,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:45,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 06:32:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:45,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:45,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:45,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:32:45,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:45,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:32:45,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:45,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:45,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:32:45,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:45,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:45,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:32:45,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [29912834] [2020-10-27 06:32:45,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:32:45,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 06:32:45,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010376385] [2020-10-27 06:32:45,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 06:32:45,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:32:45,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 06:32:45,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-10-27 06:32:45,268 INFO L87 Difference]: Start difference. First operand 442 states and 580 transitions. Second operand 14 states. [2020-10-27 06:32:46,784 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-27 06:32:49,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:32:49,720 INFO L93 Difference]: Finished difference Result 1690 states and 2437 transitions. [2020-10-27 06:32:49,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-27 06:32:49,721 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 79 [2020-10-27 06:32:49,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:32:49,737 INFO L225 Difference]: With dead ends: 1690 [2020-10-27 06:32:49,738 INFO L226 Difference]: Without dead ends: 1273 [2020-10-27 06:32:49,742 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=322, Invalid=1010, Unknown=0, NotChecked=0, Total=1332 [2020-10-27 06:32:49,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1273 states. [2020-10-27 06:32:49,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1273 to 918. [2020-10-27 06:32:49,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2020-10-27 06:32:49,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1206 transitions. [2020-10-27 06:32:49,916 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1206 transitions. Word has length 79 [2020-10-27 06:32:49,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:32:49,916 INFO L481 AbstractCegarLoop]: Abstraction has 918 states and 1206 transitions. [2020-10-27 06:32:49,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 06:32:49,917 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1206 transitions. [2020-10-27 06:32:49,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-27 06:32:49,926 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:32:49,926 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:32:49,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 06:32:49,927 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:32:49,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:32:49,928 INFO L82 PathProgramCache]: Analyzing trace with hash -947703945, now seen corresponding path program 1 times [2020-10-27 06:32:49,928 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:32:49,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [702132797] [2020-10-27 06:32:49,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:32:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:49,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:49,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:50,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:50,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:50,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:54,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:54,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 06:32:54,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 06:32:54,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 06:32:54,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:54,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 06:32:54,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:32:54,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-27 06:32:54,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:55,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:32:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:55,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:55,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:55,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:32:55,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:55,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 06:32:55,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:55,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:55,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:55,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:32:55,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:55,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:32:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:55,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:55,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:55,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:32:55,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:55,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:32:55,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:55,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:55,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:55,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:32:55,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:55,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:32:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:55,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:55,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:55,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:32:55,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:55,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:32:55,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:55,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:55,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:55,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:32:55,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:55,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 06:32:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:55,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:55,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:55,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:32:55,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:55,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:32:55,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:55,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:55,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:55,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:32:55,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:55,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:32:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:55,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:55,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:55,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:32:55,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:55,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:32:55,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:55,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:55,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:55,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:32:55,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:32:55,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:32:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:55,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:55,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:55,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:55,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 06:32:55,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:32:55,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 06:32:55,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:55,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:55,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:55,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 06:32:55,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:55,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:32:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:55,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:55,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:55,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:32:55,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:55,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:32:55,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:55,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:55,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:55,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:55,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:55,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:32:55,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:55,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:55,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:55,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:32:55,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:55,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:32:55,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:55,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:32:55,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:55,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:32:55,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:55,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:32:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:55,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:55,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:55,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:32:55,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:55,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:32:55,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:55,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:55,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:55,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:32:55,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:55,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 06:32:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:55,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:55,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:32:55,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:32:55,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:32:55,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:32:55,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:32:55,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:32:55,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:32:55,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:32:55,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:32:55,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:32:55,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [702132797] [2020-10-27 06:32:55,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:32:55,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 06:32:55,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739677559] [2020-10-27 06:32:55,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 06:32:55,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:32:55,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 06:32:55,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:32:55,314 INFO L87 Difference]: Start difference. First operand 918 states and 1206 transitions. Second operand 9 states. [2020-10-27 06:32:56,549 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-27 06:32:58,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:32:58,667 INFO L93 Difference]: Finished difference Result 1824 states and 2609 transitions. [2020-10-27 06:32:58,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 06:32:58,667 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2020-10-27 06:32:58,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:32:58,682 INFO L225 Difference]: With dead ends: 1824 [2020-10-27 06:32:58,682 INFO L226 Difference]: Without dead ends: 1820 [2020-10-27 06:32:58,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=176, Invalid=424, Unknown=0, NotChecked=0, Total=600 [2020-10-27 06:32:58,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1820 states. [2020-10-27 06:32:58,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1820 to 1512. [2020-10-27 06:32:58,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1512 states. [2020-10-27 06:32:58,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1512 states and 2064 transitions. [2020-10-27 06:32:58,916 INFO L78 Accepts]: Start accepts. Automaton has 1512 states and 2064 transitions. Word has length 79 [2020-10-27 06:32:58,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:32:58,917 INFO L481 AbstractCegarLoop]: Abstraction has 1512 states and 2064 transitions. [2020-10-27 06:32:58,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 06:32:58,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 2064 transitions. [2020-10-27 06:32:58,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-27 06:32:58,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:32:58,919 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:32:58,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 06:32:58,920 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:32:58,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:32:58,920 INFO L82 PathProgramCache]: Analyzing trace with hash 675755419, now seen corresponding path program 1 times [2020-10-27 06:32:58,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:32:58,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [723472716] [2020-10-27 06:32:58,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:32:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:32:58,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:58,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:58,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:32:59,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:01,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:01,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-27 06:33:01,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 06:33:01,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2425 [2020-10-27 06:33:01,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:01,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:33:01,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 06:33:01,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 06:33:01,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:01,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:33:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:01,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:01,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:01,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:01,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:01,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:33:01,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:01,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:01,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:01,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:01,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:01,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:33:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:01,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:01,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:01,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:01,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:01,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:33:01,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:01,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:01,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:01,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:33:01,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 22 [2020-10-27 06:33:01,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:33:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:01,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:01,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:01,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:01,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:01,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:33:01,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:01,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:01,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:01,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:33:01,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:01,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 06:33:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:01,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:01,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:01,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:01,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:01,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:33:01,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:01,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:01,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:01,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:33:01,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:01,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:33:01,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:01,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:01,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:01,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:01,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:01,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:01,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:01,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:01,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:01,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:33:01,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:01,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:33:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:01,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:01,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:01,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:01,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 06:33:01,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:33:01,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 06:33:01,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:01,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:01,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:01,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 06:33:01,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:01,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:33:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:01,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:01,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:01,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:33:01,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:01,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:01,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:01,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:01,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:01,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:01,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:01,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:33:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:01,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:01,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:01,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:33:01,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:01,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:01,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:01,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:01,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:01,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:01,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:01,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:33:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:01,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:01,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:01,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:01,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:01,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:01,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:01,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:01,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:01,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:33:01,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:01,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 06:33:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:01,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:01,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:01,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:33:01,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:01,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:33:01,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:01,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:01,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:01,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:33:01,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:01,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:33:01,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [723472716] [2020-10-27 06:33:01,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:33:01,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 06:33:01,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648742928] [2020-10-27 06:33:01,689 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 06:33:01,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:33:01,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 06:33:01,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-27 06:33:01,690 INFO L87 Difference]: Start difference. First operand 1512 states and 2064 transitions. Second operand 8 states. [2020-10-27 06:33:04,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:33:04,263 INFO L93 Difference]: Finished difference Result 3412 states and 4966 transitions. [2020-10-27 06:33:04,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 06:33:04,264 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-10-27 06:33:04,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:33:04,279 INFO L225 Difference]: With dead ends: 3412 [2020-10-27 06:33:04,279 INFO L226 Difference]: Without dead ends: 1921 [2020-10-27 06:33:04,287 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2020-10-27 06:33:04,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1921 states. [2020-10-27 06:33:04,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1921 to 1549. [2020-10-27 06:33:04,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1549 states. [2020-10-27 06:33:04,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1549 states to 1549 states and 2060 transitions. [2020-10-27 06:33:04,479 INFO L78 Accepts]: Start accepts. Automaton has 1549 states and 2060 transitions. Word has length 80 [2020-10-27 06:33:04,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:33:04,480 INFO L481 AbstractCegarLoop]: Abstraction has 1549 states and 2060 transitions. [2020-10-27 06:33:04,480 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 06:33:04,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 2060 transitions. [2020-10-27 06:33:04,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-27 06:33:04,482 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:33:04,482 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:33:04,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 06:33:04,482 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:33:04,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:33:04,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1884729222, now seen corresponding path program 1 times [2020-10-27 06:33:04,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:33:04,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [339074877] [2020-10-27 06:33:04,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:33:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:04,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:04,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:04,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:04,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:04,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:04,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-27 06:33:09,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 06:33:09,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 06:33:09,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:33:09,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 06:33:09,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-27 06:33:09,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:33:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:09,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:33:09,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:09,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:09,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:09,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:33:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:09,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:33:09,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:09,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:09,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:33:09,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:33:09,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:09,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:33:09,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:09,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:09,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:33:09,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 06:33:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:09,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:33:09,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:09,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:09,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:33:09,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:33:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:09,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:33:09,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:09,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:09,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:33:09,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:33:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 06:33:09,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:33:09,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 06:33:09,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:09,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:09,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 06:33:09,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:33:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:33:09,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:09,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:09,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:09,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:09,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:33:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:33:09,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:09,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:09,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:09,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:09,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:33:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:09,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:33:09,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:09,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:09,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:33:09,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 06:33:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:09,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:09,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:09,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:33:09,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:09,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:33:09,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:09,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:09,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:09,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:33:09,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:09,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:33:09,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [339074877] [2020-10-27 06:33:09,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:33:09,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 06:33:09,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520286861] [2020-10-27 06:33:09,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 06:33:09,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:33:09,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 06:33:09,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-27 06:33:09,891 INFO L87 Difference]: Start difference. First operand 1549 states and 2060 transitions. Second operand 8 states. [2020-10-27 06:33:10,054 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 06:33:12,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:33:12,395 INFO L93 Difference]: Finished difference Result 4511 states and 6254 transitions. [2020-10-27 06:33:12,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 06:33:12,396 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-10-27 06:33:12,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:33:12,421 INFO L225 Difference]: With dead ends: 4511 [2020-10-27 06:33:12,421 INFO L226 Difference]: Without dead ends: 2989 [2020-10-27 06:33:12,432 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2020-10-27 06:33:12,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2989 states. [2020-10-27 06:33:12,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2989 to 2525. [2020-10-27 06:33:12,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2525 states. [2020-10-27 06:33:12,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2525 states to 2525 states and 3351 transitions. [2020-10-27 06:33:12,816 INFO L78 Accepts]: Start accepts. Automaton has 2525 states and 3351 transitions. Word has length 80 [2020-10-27 06:33:12,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:33:12,817 INFO L481 AbstractCegarLoop]: Abstraction has 2525 states and 3351 transitions. [2020-10-27 06:33:12,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 06:33:12,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 3351 transitions. [2020-10-27 06:33:12,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-27 06:33:12,819 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:33:12,819 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:33:12,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 06:33:12,819 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:33:12,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:33:12,820 INFO L82 PathProgramCache]: Analyzing trace with hash 500237418, now seen corresponding path program 1 times [2020-10-27 06:33:12,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:33:12,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [646217158] [2020-10-27 06:33:12,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:33:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:12,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:12,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:13,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:13,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-27 06:33:13,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:33:13,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 793 [2020-10-27 06:33:13,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:13,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 06:33:13,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 06:33:13,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-27 06:33:13,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:13,865 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 06:33:13,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:33:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:13,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:13,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:13,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:13,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:13,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 06:33:13,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:13,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:13,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:13,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:13,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 06:33:13,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:33:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:14,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:14,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:14,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:14,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:14,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:33:14,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:14,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:14,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:14,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:33:14,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:33:14,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:33:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:14,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:14,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:14,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:14,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:14,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:33:14,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:14,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:14,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:14,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:33:14,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:14,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 06:33:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:14,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:14,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:14,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:14,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:14,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:33:14,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:14,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:14,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:14,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:33:14,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:33:14,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:33:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:14,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:14,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:14,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:14,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:14,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:33:14,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:14,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:14,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:14,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:33:14,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:14,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:33:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:14,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:14,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:14,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:14,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 06:33:14,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:33:14,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-27 06:33:14,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:14,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:14,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:14,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 06:33:14,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:14,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:33:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:14,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:14,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:14,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:33:14,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:14,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:14,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:14,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:14,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:14,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:14,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:33:14,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:33:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:14,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:14,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:14,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:33:14,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:14,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:33:14,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:14,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:14,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:14,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:14,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:14,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:33:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:14,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:14,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:14,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:14,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:14,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:33:14,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:14,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:14,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:14,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:33:14,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:33:14,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 06:33:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:14,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:14,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:14,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:33:14,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:14,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:33:14,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:14,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:14,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:14,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:33:14,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:33:14,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 06:33:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:14,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:14,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:14,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:33:14,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:14,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 06:33:14,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:14,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:33:14,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:33:14,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:33:14,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:33:14,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:33:14,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [646217158] [2020-10-27 06:33:14,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:33:14,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 06:33:14,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105368885] [2020-10-27 06:33:14,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:33:14,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:33:14,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:33:14,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:33:14,483 INFO L87 Difference]: Start difference. First operand 2525 states and 3351 transitions. Second operand 13 states. [2020-10-27 06:33:14,641 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-27 06:33:23,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:33:23,668 INFO L93 Difference]: Finished difference Result 5379 states and 7863 transitions. [2020-10-27 06:33:23,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-27 06:33:23,668 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 90 [2020-10-27 06:33:23,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:33:23,707 INFO L225 Difference]: With dead ends: 5379 [2020-10-27 06:33:23,707 INFO L226 Difference]: Without dead ends: 5375 [2020-10-27 06:33:23,712 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 916 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=539, Invalid=2541, Unknown=0, NotChecked=0, Total=3080 [2020-10-27 06:33:23,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5375 states. [2020-10-27 06:33:24,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5375 to 4549. [2020-10-27 06:33:24,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4549 states. [2020-10-27 06:33:24,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4549 states to 4549 states and 6325 transitions. [2020-10-27 06:33:24,367 INFO L78 Accepts]: Start accepts. Automaton has 4549 states and 6325 transitions. Word has length 90 [2020-10-27 06:33:24,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:33:24,368 INFO L481 AbstractCegarLoop]: Abstraction has 4549 states and 6325 transitions. [2020-10-27 06:33:24,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:33:24,369 INFO L276 IsEmpty]: Start isEmpty. Operand 4549 states and 6325 transitions. [2020-10-27 06:33:24,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-27 06:33:24,371 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:33:24,371 INFO L422 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:33:24,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 06:33:24,371 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:33:24,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:33:24,372 INFO L82 PathProgramCache]: Analyzing trace with hash 84937185, now seen corresponding path program 2 times [2020-10-27 06:33:24,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:33:24,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1992005619] [2020-10-27 06:33:24,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:33:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:24,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:24,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:24,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:24,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-27 06:33:24,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:33:24,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 349 [2020-10-27 06:33:24,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:24,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:33:24,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 06:33:24,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:33:24,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:24,896 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 06:33:24,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:33:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:24,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:24,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:24,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:24,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:24,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:33:24,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:24,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:24,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:24,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:24,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:24,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:33:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:24,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:24,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:24,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:24,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:24,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:33:24,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:24,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:24,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:24,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:24,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:24,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:33:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:24,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:24,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:24,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:24,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:24,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:33:24,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:24,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:24,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:24,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:24,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:24,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 06:33:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:24,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:24,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:24,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:24,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:24,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:24,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:24,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:24,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:24,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:24,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:24,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:33:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:24,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:24,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:24,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:24,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:24,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:24,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:24,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:24,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:24,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:24,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:24,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:33:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:25,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:25,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:25,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 06:33:25,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:25,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:33:25,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:25,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:33:25,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 06:33:25,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:33:25,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:25,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:33:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:25,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:25,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:25,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:33:25,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:25,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:25,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:25,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:25,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:25,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:25,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:25,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:33:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:25,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:25,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:25,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:33:25,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:25,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:33:25,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:25,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:33:25,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:25,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:33:25,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:25,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:33:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:25,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:25,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:25,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:25,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:25,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:25,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:25,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:25,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:33:25,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:25,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:25,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 06:33:25,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:25,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:25,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:25,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:33:25,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:25,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:25,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:25,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:25,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:33:25,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:25,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:25,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 06:33:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:25,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:25,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:25,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:25,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:33:25,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:33:25,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 06:33:25,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:25,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:25,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:33:25,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:33:25,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:25,226 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:33:25,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1992005619] [2020-10-27 06:33:25,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:33:25,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:33:25,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845152466] [2020-10-27 06:33:25,228 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:33:25,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:33:25,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:33:25,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:33:25,230 INFO L87 Difference]: Start difference. First operand 4549 states and 6325 transitions. Second operand 13 states. [2020-10-27 06:33:25,998 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-27 06:33:28,236 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 06:33:29,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:33:29,948 INFO L93 Difference]: Finished difference Result 7731 states and 11212 transitions. [2020-10-27 06:33:29,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-27 06:33:29,949 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 93 [2020-10-27 06:33:29,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:33:29,971 INFO L225 Difference]: With dead ends: 7731 [2020-10-27 06:33:29,971 INFO L226 Difference]: Without dead ends: 3209 [2020-10-27 06:33:30,002 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=334, Invalid=1072, Unknown=0, NotChecked=0, Total=1406 [2020-10-27 06:33:30,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3209 states. [2020-10-27 06:33:30,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3209 to 2687. [2020-10-27 06:33:30,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2687 states. [2020-10-27 06:33:30,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2687 states to 2687 states and 3469 transitions. [2020-10-27 06:33:30,337 INFO L78 Accepts]: Start accepts. Automaton has 2687 states and 3469 transitions. Word has length 93 [2020-10-27 06:33:30,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:33:30,338 INFO L481 AbstractCegarLoop]: Abstraction has 2687 states and 3469 transitions. [2020-10-27 06:33:30,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:33:30,338 INFO L276 IsEmpty]: Start isEmpty. Operand 2687 states and 3469 transitions. [2020-10-27 06:33:30,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-27 06:33:30,341 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:33:30,342 INFO L422 BasicCegarLoop]: trace histogram [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, 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 06:33:30,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 06:33:30,342 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:33:30,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:33:30,342 INFO L82 PathProgramCache]: Analyzing trace with hash -2133727219, now seen corresponding path program 1 times [2020-10-27 06:33:30,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:33:30,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [46849588] [2020-10-27 06:33:30,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:33:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:30,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:30,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:30,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:30,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:30,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:30,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:30,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:30,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:30,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-27 06:33:30,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 06:33:30,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 438 [2020-10-27 06:33:30,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:30,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:33:30,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-27 06:33:30,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-27 06:33:30,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:30,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:33:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:30,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:30,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:30,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:30,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:30,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:33:30,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:30,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:30,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:30,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:30,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:30,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:33:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:30,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:30,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:30,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:30,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:30,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:33:30,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:30,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:30,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:30,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:30,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:31,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:33:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:31,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:31,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:31,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:31,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:31,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:31,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:31,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:31,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:31,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:31,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:31,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 06:33:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:31,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:31,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:31,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:31,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:31,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:33:31,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:31,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:31,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:31,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:33:31,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:31,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:33:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:31,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:31,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:31,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:31,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:31,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:33:31,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:31,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:31,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:31,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:33:31,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:31,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:33:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:31,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:31,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:31,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 06:33:31,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:31,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:33:31,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:31,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:33:31,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:33:31,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 06:33:31,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:31,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:33:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:31,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:31,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:31,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:33:31,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:31,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:33:31,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:31,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:31,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:31,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:33:31,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:31,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:33:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:31,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:31,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:31,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:33:31,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:31,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:33:31,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:31,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:31,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:31,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:33:31,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:31,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:33:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:31,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:31,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:31,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:31,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:31,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:31,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:31,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:31,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:31,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:33:31,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:31,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 06:33:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:31,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:31,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:31,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:31,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:33:31,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:33:31,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:33:31,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:31,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:31,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:31,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:33:31,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:31,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 06:33:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:31,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:31,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:31,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:33:31,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:31,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:33:31,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:31,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:31,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:33:31,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:31,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:31,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 06:33:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:31,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:31,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:31,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:33:31,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:31,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:31,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:31,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:31,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:33:31,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:31,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:31,179 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 06:33:31,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [46849588] [2020-10-27 06:33:31,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:33:31,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 06:33:31,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783693169] [2020-10-27 06:33:31,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 06:33:31,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:33:31,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 06:33:31,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-27 06:33:31,183 INFO L87 Difference]: Start difference. First operand 2687 states and 3469 transitions. Second operand 10 states. [2020-10-27 06:33:35,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:33:35,263 INFO L93 Difference]: Finished difference Result 9127 states and 13860 transitions. [2020-10-27 06:33:35,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-27 06:33:35,264 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2020-10-27 06:33:35,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:33:35,318 INFO L225 Difference]: With dead ends: 9127 [2020-10-27 06:33:35,318 INFO L226 Difference]: Without dead ends: 6469 [2020-10-27 06:33:35,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=222, Invalid=708, Unknown=0, NotChecked=0, Total=930 [2020-10-27 06:33:35,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6469 states. [2020-10-27 06:33:36,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6469 to 5461. [2020-10-27 06:33:36,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5461 states. [2020-10-27 06:33:36,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5461 states to 5461 states and 7430 transitions. [2020-10-27 06:33:36,040 INFO L78 Accepts]: Start accepts. Automaton has 5461 states and 7430 transitions. Word has length 99 [2020-10-27 06:33:36,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:33:36,040 INFO L481 AbstractCegarLoop]: Abstraction has 5461 states and 7430 transitions. [2020-10-27 06:33:36,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 06:33:36,040 INFO L276 IsEmpty]: Start isEmpty. Operand 5461 states and 7430 transitions. [2020-10-27 06:33:36,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-27 06:33:36,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:33:36,044 INFO L422 BasicCegarLoop]: trace histogram [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, 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 06:33:36,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 06:33:36,045 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:33:36,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:33:36,045 INFO L82 PathProgramCache]: Analyzing trace with hash 882987375, now seen corresponding path program 1 times [2020-10-27 06:33:36,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:33:36,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1846860048] [2020-10-27 06:33:36,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:33:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:36,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:36,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:36,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:36,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:36,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:36,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:36,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:36,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-27 06:33:36,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 06:33:36,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 900 [2020-10-27 06:33:36,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:36,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:36,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 06:33:36,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 06:33:36,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:37,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:33:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:37,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:37,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:37,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:37,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:37,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:33:37,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:37,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:37,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:37,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:37,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:37,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:33:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:37,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:37,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:37,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:37,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:37,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:33:37,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:37,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:37,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:37,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:33:37,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:37,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:33:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:37,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:37,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:37,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:37,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:37,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:37,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:37,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:37,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:37,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:33:37,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:37,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 06:33:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:37,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:37,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:37,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:37,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:37,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:37,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:37,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:37,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 06:33:37,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:33:37,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:37,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:33:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:37,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:37,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:37,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:37,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:37,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:37,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:37,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:37,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:33:37,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:37,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:37,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:33:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:37,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:37,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:37,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 06:33:37,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:37,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:33:37,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:37,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:37,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-27 06:33:37,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:37,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:37,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:33:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:37,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:37,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:37,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:33:37,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:37,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:37,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:37,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:37,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:37,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:37,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:37,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:33:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:37,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:37,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:37,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:33:37,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:37,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:37,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:37,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:37,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:37,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:37,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:37,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:33:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:37,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:37,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:37,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:37,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:37,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:37,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:37,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:37,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:33:37,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:37,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:37,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 06:33:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:37,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:37,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:37,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:33:37,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:37,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:37,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:37,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:37,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:33:37,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:37,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:37,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 06:33:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:37,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:37,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:37,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:33:37,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:37,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:33:37,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:37,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:37,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:33:37,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:37,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:37,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 06:33:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:37,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:37,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:37,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:33:37,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:37,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:37,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:37,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:37,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:33:37,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:37,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:37,278 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-27 06:33:37,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1846860048] [2020-10-27 06:33:37,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:33:37,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 06:33:37,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510869027] [2020-10-27 06:33:37,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 06:33:37,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:33:37,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 06:33:37,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-27 06:33:37,280 INFO L87 Difference]: Start difference. First operand 5461 states and 7430 transitions. Second operand 10 states. [2020-10-27 06:33:40,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:33:40,007 INFO L93 Difference]: Finished difference Result 11101 states and 15369 transitions. [2020-10-27 06:33:40,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 06:33:40,008 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 101 [2020-10-27 06:33:40,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:33:40,043 INFO L225 Difference]: With dead ends: 11101 [2020-10-27 06:33:40,044 INFO L226 Difference]: Without dead ends: 5669 [2020-10-27 06:33:40,066 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-10-27 06:33:40,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5669 states. [2020-10-27 06:33:40,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5669 to 5101. [2020-10-27 06:33:40,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5101 states. [2020-10-27 06:33:40,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5101 states to 5101 states and 6941 transitions. [2020-10-27 06:33:40,766 INFO L78 Accepts]: Start accepts. Automaton has 5101 states and 6941 transitions. Word has length 101 [2020-10-27 06:33:40,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:33:40,767 INFO L481 AbstractCegarLoop]: Abstraction has 5101 states and 6941 transitions. [2020-10-27 06:33:40,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 06:33:40,767 INFO L276 IsEmpty]: Start isEmpty. Operand 5101 states and 6941 transitions. [2020-10-27 06:33:40,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-27 06:33:40,769 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:33:40,770 INFO L422 BasicCegarLoop]: trace histogram [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, 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 06:33:40,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 06:33:40,770 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:33:40,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:33:40,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1532848975, now seen corresponding path program 1 times [2020-10-27 06:33:40,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:33:40,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [906286109] [2020-10-27 06:33:40,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:33:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:40,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:40,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:40,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-27 06:33:40,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:40,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-27 06:33:40,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:40,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:40,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-27 06:33:40,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 06:33:40,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:40,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:33:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:40,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:40,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:40,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:40,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:40,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:33:40,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:40,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:40,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:40,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:40,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:40,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:33:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:41,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:41,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:41,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:41,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:41,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:33:41,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:41,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:41,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:41,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:41,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:41,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:33:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:41,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:41,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:41,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:41,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:41,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:41,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:41,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:41,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:41,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:41,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:41,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 06:33:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:41,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:41,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:41,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:41,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:41,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:41,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:41,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:41,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:41,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:41,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:41,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:33:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:41,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:41,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:41,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:41,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:41,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:41,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:41,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:41,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:41,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:41,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:41,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:33:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:41,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:41,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:41,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 06:33:41,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:41,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:33:41,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:41,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:41,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:41,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:41,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:41,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:33:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:41,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:41,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:41,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:33:41,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:41,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:41,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:41,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:41,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:41,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:41,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:41,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:33:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:41,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:41,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:41,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:33:41,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:41,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:41,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:41,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:41,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:41,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:41,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:41,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:33:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:41,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:41,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:41,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:41,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:41,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:41,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:41,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:41,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:41,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:41,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:41,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 06:33:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:41,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:41,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:41,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:33:41,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:41,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:41,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:41,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:41,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:41,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-27 06:33:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:41,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:41,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:41,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:33:41,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:41,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:33:41,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:41,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:41,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:41,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:33:41,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:41,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 06:33:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:41,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:41,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:41,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:33:41,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:41,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:33:41,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:41,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:41,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:41,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:33:41,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:41,153 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 06:33:41,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [906286109] [2020-10-27 06:33:41,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:33:41,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 06:33:41,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402045186] [2020-10-27 06:33:41,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 06:33:41,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:33:41,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 06:33:41,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:33:41,155 INFO L87 Difference]: Start difference. First operand 5101 states and 6941 transitions. Second operand 9 states. [2020-10-27 06:33:44,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:33:44,580 INFO L93 Difference]: Finished difference Result 14839 states and 21195 transitions. [2020-10-27 06:33:44,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 06:33:44,581 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 101 [2020-10-27 06:33:44,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:33:44,637 INFO L225 Difference]: With dead ends: 14839 [2020-10-27 06:33:44,637 INFO L226 Difference]: Without dead ends: 7881 [2020-10-27 06:33:44,678 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2020-10-27 06:33:44,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7881 states. [2020-10-27 06:33:45,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7881 to 7263. [2020-10-27 06:33:45,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7263 states. [2020-10-27 06:33:45,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7263 states to 7263 states and 9530 transitions. [2020-10-27 06:33:45,688 INFO L78 Accepts]: Start accepts. Automaton has 7263 states and 9530 transitions. Word has length 101 [2020-10-27 06:33:45,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:33:45,689 INFO L481 AbstractCegarLoop]: Abstraction has 7263 states and 9530 transitions. [2020-10-27 06:33:45,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 06:33:45,689 INFO L276 IsEmpty]: Start isEmpty. Operand 7263 states and 9530 transitions. [2020-10-27 06:33:45,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-27 06:33:45,692 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:33:45,693 INFO L422 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 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 06:33:45,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 06:33:45,693 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:33:45,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:33:45,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1914751597, now seen corresponding path program 1 times [2020-10-27 06:33:45,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:33:45,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [699717935] [2020-10-27 06:33:45,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:33:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:45,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:45,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:45,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:45,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:46,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:46,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-27 06:33:46,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 06:33:46,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 438 [2020-10-27 06:33:46,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:46,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:33:46,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-27 06:33:46,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-27 06:33:46,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:46,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:33:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:46,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:46,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:46,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:46,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:46,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:33:46,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:46,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:46,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:46,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:46,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:46,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:33:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:46,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:46,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:46,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:46,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:46,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:46,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:46,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:46,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:46,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:46,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:46,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:33:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:46,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:46,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:46,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:46,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:46,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:46,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:46,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:46,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:46,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:46,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:46,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 06:33:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:46,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:46,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:46,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:46,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:46,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:46,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:46,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:46,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:46,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:33:46,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:46,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:33:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:46,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:46,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:46,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:46,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:46,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:46,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:46,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:46,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:46,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:33:46,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:46,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:33:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:46,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:46,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:46,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 06:33:46,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:46,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:33:46,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:46,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:33:46,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:33:46,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 06:33:46,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:46,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:33:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:46,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:46,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:46,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:33:46,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:46,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:33:46,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:46,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:46,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:46,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:33:46,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:46,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:33:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:46,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:46,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:46,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:33:46,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:46,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-27 06:33:46,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:46,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:46,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:46,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:33:46,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:46,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:33:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:46,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:46,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:46,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:46,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:46,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:46,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:46,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:46,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:46,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:33:46,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:46,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 06:33:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:46,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:46,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:46,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:33:46,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:46,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:33:46,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:46,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:46,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:46,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:33:46,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:46,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 06:33:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:46,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:46,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:46,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:33:46,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:46,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:33:46,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:46,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:46,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:46,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 06:33:46,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:46,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 06:33:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:46,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:46,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:46,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:33:46,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:46,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:46,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:46,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:46,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:33:46,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:46,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:46,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 06:33:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:46,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:46,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:46,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:33:46,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:46,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:33:46,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:46,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:46,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 06:33:46,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:46,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:46,616 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 06:33:46,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [699717935] [2020-10-27 06:33:46,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:33:46,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 06:33:46,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871294017] [2020-10-27 06:33:46,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 06:33:46,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:33:46,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 06:33:46,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-27 06:33:46,619 INFO L87 Difference]: Start difference. First operand 7263 states and 9530 transitions. Second operand 10 states. [2020-10-27 06:33:50,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:33:50,213 INFO L93 Difference]: Finished difference Result 15249 states and 20913 transitions. [2020-10-27 06:33:50,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 06:33:50,214 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-10-27 06:33:50,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:33:50,252 INFO L225 Difference]: With dead ends: 15249 [2020-10-27 06:33:50,252 INFO L226 Difference]: Without dead ends: 8015 [2020-10-27 06:33:50,272 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=165, Invalid=435, Unknown=0, NotChecked=0, Total=600 [2020-10-27 06:33:50,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8015 states. [2020-10-27 06:33:51,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8015 to 7435. [2020-10-27 06:33:51,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7435 states. [2020-10-27 06:33:51,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7435 states to 7435 states and 9659 transitions. [2020-10-27 06:33:51,024 INFO L78 Accepts]: Start accepts. Automaton has 7435 states and 9659 transitions. Word has length 110 [2020-10-27 06:33:51,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:33:51,024 INFO L481 AbstractCegarLoop]: Abstraction has 7435 states and 9659 transitions. [2020-10-27 06:33:51,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 06:33:51,025 INFO L276 IsEmpty]: Start isEmpty. Operand 7435 states and 9659 transitions. [2020-10-27 06:33:51,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-27 06:33:51,028 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:33:51,028 INFO L422 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 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 06:33:51,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 06:33:51,028 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:33:51,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:33:51,029 INFO L82 PathProgramCache]: Analyzing trace with hash 646481813, now seen corresponding path program 1 times [2020-10-27 06:33:51,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:33:51,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [179223153] [2020-10-27 06:33:51,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:33:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:51,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:51,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:51,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:51,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-27 06:33:51,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:33:51,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-27 06:33:51,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:51,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:51,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-27 06:33:51,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 06:33:51,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:51,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:33:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:51,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:51,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:51,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:51,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:51,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:33:51,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:51,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:51,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:51,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:51,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:51,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:33:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:51,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:51,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:51,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:51,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:51,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:33:51,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:51,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:51,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:51,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:51,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:51,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:33:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:51,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:51,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:51,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:33:51,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:51,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:51,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:51,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:51,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:51,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:51,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:51,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 06:33:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:51,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:51,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:51,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:51,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:51,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:51,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:51,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:51,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:51,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:51,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:51,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:33:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:51,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:51,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:51,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:51,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:51,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:51,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:51,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:51,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:51,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:51,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:51,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:33:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:51,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:51,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:51,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 06:33:51,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:51,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:51,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:51,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:51,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:51,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:51,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:51,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:33:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:51,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:51,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:51,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:33:51,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:51,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:33:51,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:51,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:51,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:51,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:51,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:51,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:33:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:51,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:51,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:51,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:33:51,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:51,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:33:51,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:51,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:51,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:51,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:51,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:51,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:33:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:51,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:51,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:51,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:33:51,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:51,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:33:51,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:51,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:51,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:51,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:51,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:51,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 06:33:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:51,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:51,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:51,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:33:51,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:51,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:33:51,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:51,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:51,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:51,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:51,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:51,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 06:33:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:51,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:51,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:51,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:33:51,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:51,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:33:51,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:51,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:51,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:33:51,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:33:51,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:51,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 06:33:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:51,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:51,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:51,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:33:51,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:51,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:33:51,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:51,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:33:51,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:33:51,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:33:51,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:51,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 06:33:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:51,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:51,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:33:51,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:33:51,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:33:51,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:33:51,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:33:51,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:33:51,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 06:33:51,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:33:51,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:33:51,447 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-27 06:33:51,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [179223153] [2020-10-27 06:33:51,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:33:51,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 06:33:51,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244728558] [2020-10-27 06:33:51,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 06:33:51,448 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:33:51,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 06:33:51,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-27 06:33:51,449 INFO L87 Difference]: Start difference. First operand 7435 states and 9659 transitions. Second operand 10 states. [2020-10-27 06:33:55,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:33:55,391 INFO L93 Difference]: Finished difference Result 14285 states and 18715 transitions. [2020-10-27 06:33:55,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 06:33:55,391 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 111 [2020-10-27 06:33:55,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:33:55,423 INFO L225 Difference]: With dead ends: 14285 [2020-10-27 06:33:55,423 INFO L226 Difference]: Without dead ends: 7243 [2020-10-27 06:33:55,444 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=176, Invalid=636, Unknown=0, NotChecked=0, Total=812 [2020-10-27 06:33:55,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7243 states. [2020-10-27 06:33:56,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7243 to 6943. [2020-10-27 06:33:56,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6943 states. [2020-10-27 06:33:56,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6943 states to 6943 states and 8239 transitions. [2020-10-27 06:33:56,246 INFO L78 Accepts]: Start accepts. Automaton has 6943 states and 8239 transitions. Word has length 111 [2020-10-27 06:33:56,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:33:56,246 INFO L481 AbstractCegarLoop]: Abstraction has 6943 states and 8239 transitions. [2020-10-27 06:33:56,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 06:33:56,246 INFO L276 IsEmpty]: Start isEmpty. Operand 6943 states and 8239 transitions. [2020-10-27 06:33:56,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-27 06:33:56,254 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:33:56,255 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:33:56,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 06:33:56,255 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:33:56,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:33:56,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1546176639, now seen corresponding path program 1 times [2020-10-27 06:33:56,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:33:56,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [580483818] [2020-10-27 06:33:56,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:33:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:33:56,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:56,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:56,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:56,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:33:56,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:01,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:01,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-27 06:34:01,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 06:34:01,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 06:34:01,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:01,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:34:01,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:34:01,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 06:34:01,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:01,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:34:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:01,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:01,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:01,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:34:01,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:01,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:34:01,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:01,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:01,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:01,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:34:01,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:01,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:34:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:01,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:01,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:01,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:34:01,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:01,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:01,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:01,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:01,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:01,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:34:01,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:01,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:34:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:01,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:01,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:01,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:34:01,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:01,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:34:01,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:01,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:34:01,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:34:01,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:34:01,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:01,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:01,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:01,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:01,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:01,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:01,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:34:01,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:01,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:01,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:01,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:34:01,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:01,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 06:34:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:01,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:01,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:01,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:01,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:01,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:01,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:01,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:01,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:34:01,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:01,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:01,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:34:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:01,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:01,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:01,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:01,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:01,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:01,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:01,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:01,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:34:01,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:01,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:01,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 06:34:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:01,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:01,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:01,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 06:34:01,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:01,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:34:01,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:01,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:01,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-27 06:34:01,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:01,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:01,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:01,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:01,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:01,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:01,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:01,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:01,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:01,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:01,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:01,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:01,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:01,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:34:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:01,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:01,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:01,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:01,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:01,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:01,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:01,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:01,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:01,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:01,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:01,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 06:34:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:01,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:01,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:01,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:01,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:01,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:01,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:01,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:01,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:34:01,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:01,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:01,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 06:34:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:01,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:01,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:01,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:01,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 06:34:01,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:34:01,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-27 06:34:01,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:01,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:34:01,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-27 06:34:01,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:34:01,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:01,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 06:34:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:01,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:01,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:01,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:01,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:01,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:01,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:01,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:01,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:01,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:01,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:01,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:34:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:01,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:01,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:01,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:34:01,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:01,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:01,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:01,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:01,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:01,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:01,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:01,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 06:34:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:01,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:01,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:01,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:01,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:01,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:34:01,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:01,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:34:01,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:01,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:34:01,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:01,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 06:34:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:01,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:01,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:01,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:34:01,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:01,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:01,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:01,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:01,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:34:01,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:01,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:01,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-27 06:34:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:01,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:01,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:01,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:01,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:01,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:01,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:01,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:01,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:34:01,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:01,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:01,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 06:34:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:01,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:01,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:01,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 06:34:01,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:01,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:34:01,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:01,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:01,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-27 06:34:01,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:01,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:01,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:01,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:01,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:01,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:01,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:01,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:01,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:01,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:01,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:01,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:01,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:01,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:34:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:01,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:01,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:01,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:01,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:01,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:01,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:01,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:01,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:01,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:01,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:01,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 06:34:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:01,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:01,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:01,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:01,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:01,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:01,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:01,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:01,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:34:01,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:01,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:01,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 06:34:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:01,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:01,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:01,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:34:01,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:01,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:01,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:01,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:01,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 06:34:01,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:01,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:01,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:01,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:01,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:01,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:01,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:01,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:01,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:01,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:01,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:01,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:01,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:01,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 06:34:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:01,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:01,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:01,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:01,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:01,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:01,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:01,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:01,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:34:01,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:01,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:01,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-27 06:34:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:01,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:01,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:01,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:34:01,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:01,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:34:01,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:01,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:01,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 06:34:01,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:01,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:01,892 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-10-27 06:34:01,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [580483818] [2020-10-27 06:34:01,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:34:01,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 06:34:01,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499503782] [2020-10-27 06:34:01,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 06:34:01,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:34:01,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 06:34:01,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-10-27 06:34:01,894 INFO L87 Difference]: Start difference. First operand 6943 states and 8239 transitions. Second operand 15 states. [2020-10-27 06:34:02,642 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-27 06:34:02,784 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-27 06:34:07,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:34:07,193 INFO L93 Difference]: Finished difference Result 11524 states and 13876 transitions. [2020-10-27 06:34:07,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-10-27 06:34:07,194 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 186 [2020-10-27 06:34:07,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:34:07,210 INFO L225 Difference]: With dead ends: 11524 [2020-10-27 06:34:07,211 INFO L226 Difference]: Without dead ends: 4353 [2020-10-27 06:34:07,222 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 770 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=552, Invalid=2204, Unknown=0, NotChecked=0, Total=2756 [2020-10-27 06:34:07,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4353 states. [2020-10-27 06:34:07,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4353 to 3647. [2020-10-27 06:34:07,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3647 states. [2020-10-27 06:34:07,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3647 states to 3647 states and 4269 transitions. [2020-10-27 06:34:07,692 INFO L78 Accepts]: Start accepts. Automaton has 3647 states and 4269 transitions. Word has length 186 [2020-10-27 06:34:07,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:34:07,693 INFO L481 AbstractCegarLoop]: Abstraction has 3647 states and 4269 transitions. [2020-10-27 06:34:07,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 06:34:07,693 INFO L276 IsEmpty]: Start isEmpty. Operand 3647 states and 4269 transitions. [2020-10-27 06:34:07,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2020-10-27 06:34:07,700 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:34:07,701 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1] [2020-10-27 06:34:07,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 06:34:07,701 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:34:07,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:34:07,702 INFO L82 PathProgramCache]: Analyzing trace with hash 60664336, now seen corresponding path program 1 times [2020-10-27 06:34:07,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:34:07,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2056005571] [2020-10-27 06:34:07,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:34:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:07,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:07,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:07,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:07,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:08,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:08,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:08,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:08,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:12,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:12,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:12,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 373 [2020-10-27 06:34:12,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 06:34:12,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 06:34:12,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:12,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:12,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-27 06:34:12,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 06:34:12,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:12,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:34:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:12,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:12,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:12,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:34:12,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:12,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:34:12,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:12,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:12,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:12,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:12,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:12,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:34:12,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:12,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:12,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:12,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:34:12,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:12,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:12,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:12,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:12,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:12,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:12,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:12,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:34:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:12,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:12,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:12,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:34:12,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:12,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:12,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:12,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:12,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:12,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:12,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:12,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 06:34:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:12,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:12,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:12,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:12,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:12,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:12,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:12,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:12,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:12,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:12,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:12,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:34:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:12,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:12,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:12,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:12,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:12,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:12,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:12,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:12,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:12,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:12,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:12,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:34:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:12,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:12,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:12,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 06:34:12,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:12,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:12,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:12,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:12,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:12,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:12,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:12,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:12,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:12,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:12,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:12,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:12,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:12,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:12,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:12,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:12,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:12,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:12,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:12,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:34:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:12,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:12,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:12,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:12,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:12,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:12,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:12,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:12,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:12,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:12,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:12,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:34:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:12,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:12,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:12,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:12,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:12,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:12,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:12,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:12,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:12,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:12,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:34:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-27 06:34:13,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 06:34:13,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:13,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:13,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 06:34:13,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 06:34:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:13,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:13,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:13,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:13,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:13,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:34:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:34:13,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:13,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:13,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:13,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:13,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 06:34:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:34:13,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:34:13,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:13,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:13,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 06:34:13,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 06:34:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:13,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:13,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:13,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:13,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:34:13,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 06:34:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:34:13,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:34:13,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:13,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:13,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:34:13,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:13,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:13,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:13,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:13,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:13,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 06:34:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:13,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:13,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:13,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:13,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:34:13,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 06:34:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 06:34:13,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:34:13,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:13,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 06:34:13,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 06:34:13,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:13,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:13,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:13,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:13,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:13,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:34:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:13,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:13,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:13,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:13,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:34:13,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 06:34:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:13,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:13,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:13,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:34:13,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:13,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 06:34:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:34:13,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:13,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:13,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 06:34:13,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:13,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:13,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:13,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:13,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:13,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:13,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-27 06:34:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 06:34:13,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:34:13,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:13,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 06:34:13,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:13,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 06:34:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:13,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:13,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:13,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:13,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:13,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:34:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:34:13,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:13,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:13,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:13,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:13,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 06:34:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:13,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:13,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:13,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:13,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:13,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-27 06:34:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:34:13,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:13,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:13,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 06:34:13,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:13,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:13,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:13,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:13,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:13,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:13,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-27 06:34:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:13,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:13,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:13,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:34:13,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:13,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-27 06:34:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 06:34:13,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:34:13,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:13,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-27 06:34:13,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:13,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:13,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:13,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:13,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:13,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:13,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:34:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:13,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:13,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:13,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:13,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:13,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-27 06:34:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:13,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:13,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:13,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:34:13,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:13,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-27 06:34:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:34:13,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:13,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:13,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 06:34:13,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:13,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:13,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:13,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:13,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:13,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:13,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-10-27 06:34:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:13,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:13,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:13,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:13,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:13,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:13,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:13,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:13,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:34:13,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:13,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:13,307 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 58 proven. 17 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2020-10-27 06:34:13,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2056005571] [2020-10-27 06:34:13,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:34:13,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 06:34:13,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804874529] [2020-10-27 06:34:13,308 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 06:34:13,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:34:13,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 06:34:13,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-27 06:34:13,309 INFO L87 Difference]: Start difference. First operand 3647 states and 4269 transitions. Second operand 12 states. [2020-10-27 06:34:13,474 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-27 06:34:15,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:34:15,956 INFO L93 Difference]: Finished difference Result 7094 states and 8452 transitions. [2020-10-27 06:34:15,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 06:34:15,957 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 285 [2020-10-27 06:34:15,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:34:15,972 INFO L225 Difference]: With dead ends: 7094 [2020-10-27 06:34:15,972 INFO L226 Difference]: Without dead ends: 3580 [2020-10-27 06:34:15,981 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=186, Invalid=684, Unknown=0, NotChecked=0, Total=870 [2020-10-27 06:34:15,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3580 states. [2020-10-27 06:34:16,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3580 to 3356. [2020-10-27 06:34:16,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3356 states. [2020-10-27 06:34:16,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3356 states to 3356 states and 3865 transitions. [2020-10-27 06:34:16,404 INFO L78 Accepts]: Start accepts. Automaton has 3356 states and 3865 transitions. Word has length 285 [2020-10-27 06:34:16,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:34:16,405 INFO L481 AbstractCegarLoop]: Abstraction has 3356 states and 3865 transitions. [2020-10-27 06:34:16,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 06:34:16,405 INFO L276 IsEmpty]: Start isEmpty. Operand 3356 states and 3865 transitions. [2020-10-27 06:34:16,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-10-27 06:34:16,412 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:34:16,412 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:34:16,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 06:34:16,412 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:34:16,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:34:16,413 INFO L82 PathProgramCache]: Analyzing trace with hash 805292220, now seen corresponding path program 1 times [2020-10-27 06:34:16,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:34:16,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1075874414] [2020-10-27 06:34:16,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:34:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:16,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:16,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:16,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:16,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:16,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:17,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:17,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:18,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:18,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:21,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:21,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 374 [2020-10-27 06:34:21,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 06:34:21,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 06:34:21,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:21,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-27 06:34:21,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 06:34:21,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 352 [2020-10-27 06:34:21,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:21,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:34:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:21,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:21,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:21,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:34:21,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:21,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:34:21,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:21,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:21,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:21,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:21,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:21,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:34:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:21,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:21,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:21,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:34:21,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:21,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:21,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:21,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:21,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:21,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:34:21,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:21,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:34:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:21,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:21,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:21,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:34:21,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:21,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:21,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:21,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:21,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:21,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:34:21,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:21,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 06:34:21,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:21,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:21,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:21,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:21,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:21,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:21,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:21,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:21,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:21,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:34:21,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:21,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:34:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:21,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:21,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:21,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:21,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:21,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:21,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:21,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:21,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:21,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:34:21,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:21,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:34:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:21,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:21,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:21,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 06:34:21,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:21,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:34:21,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:21,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:21,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:21,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 06:34:21,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:21,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:21,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:21,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:21,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:21,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:21,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:21,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:21,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:21,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:21,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:21,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:21,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:34:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:21,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:21,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:21,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:21,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:21,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:21,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:21,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:21,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:21,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:21,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:21,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:34:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:21,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:21,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:21,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:21,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:21,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:21,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:21,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:21,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:21,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:34:21,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:21,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:34:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:21,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:21,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:21,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:21,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-27 06:34:21,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:34:21,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 06:34:21,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:21,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 06:34:21,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:34:21,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 06:34:21,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:21,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 06:34:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:21,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:21,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:21,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:21,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:21,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:21,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:21,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:21,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:21,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:34:21,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:21,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:34:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:21,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:21,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:21,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:34:21,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:21,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:34:21,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:21,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:34:21,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:34:21,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:34:21,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:22,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 06:34:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:22,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:22,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:22,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:22,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:34:22,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:34:22,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:34:22,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:22,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:34:22,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:34:22,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:34:22,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:22,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 06:34:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:22,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:22,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:22,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:22,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:22,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:22,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:22,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:22,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:22,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:34:22,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:22,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 06:34:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:22,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:22,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:22,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:34:22,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:22,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:34:22,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:22,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:22,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:22,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:34:22,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:22,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:22,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:22,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:22,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:22,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:22,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:22,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:22,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:22,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:22,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:22,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:22,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 06:34:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:22,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:22,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:22,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:22,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:22,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:22,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:22,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:22,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:22,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:34:22,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:22,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 06:34:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:22,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:22,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:22,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 06:34:22,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:22,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:34:22,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:22,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:22,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:22,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 06:34:22,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:22,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:22,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:22,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:22,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:22,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:22,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:22,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:22,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:22,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:22,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:22,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:22,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:34:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:22,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:22,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:22,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:34:22,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:22,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:22,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:22,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:22,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:22,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:22,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:22,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 06:34:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:22,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:22,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:22,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:22,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:22,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:22,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:22,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:22,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:22,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:34:22,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:22,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 06:34:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:22,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:22,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:22,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:34:22,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:22,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:34:22,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:22,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:22,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:22,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:34:22,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:22,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:22,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:22,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:22,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:22,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:22,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:22,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:22,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:22,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:22,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:22,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:22,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-27 06:34:22,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:22,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:22,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:22,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 06:34:22,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:22,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 06:34:22,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:22,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 06:34:22,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:34:22,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 06:34:22,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:22,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 06:34:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:22,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:22,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:22,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:22,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:22,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:22,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:22,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:22,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:22,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:34:22,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:22,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:34:22,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:22,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:22,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:22,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:34:22,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:22,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:34:22,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:22,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:34:22,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:34:22,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 06:34:22,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:22,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 06:34:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:22,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:22,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:22,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:22,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:22,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:34:22,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:22,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:22,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:22,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:34:22,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:22,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-27 06:34:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:22,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:22,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:22,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:34:22,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:22,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:34:22,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:22,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:22,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:22,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:34:22,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:22,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:22,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:22,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:22,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:22,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:22,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:22,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:22,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:22,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:22,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:22,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:22,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-27 06:34:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:22,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:22,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:22,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:22,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:22,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:22,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:22,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:22,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:22,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:34:22,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:22,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-10-27 06:34:22,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:22,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:22,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:22,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 06:34:22,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:22,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:34:22,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:22,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:22,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:22,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 06:34:22,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:22,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:22,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:22,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:22,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:22,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:22,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:22,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:22,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:22,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:22,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:22,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:22,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:34:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:22,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:22,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:22,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:22,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:22,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:22,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:22,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:22,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:22,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:22,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:22,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-10-27 06:34:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:22,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:22,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:22,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:22,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:22,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:22,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:22,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:22,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:22,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:34:22,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:22,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-10-27 06:34:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:22,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:22,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:22,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:34:22,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:22,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-27 06:34:22,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:22,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:22,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:22,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:34:22,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:22,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:22,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:22,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:22,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:22,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:22,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:22,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:22,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:22,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:22,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:22,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:22,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2020-10-27 06:34:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:22,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:22,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:22,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:22,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:22,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:22,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:22,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:22,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:22,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:34:22,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:22,525 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 9 proven. 66 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2020-10-27 06:34:22,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1075874414] [2020-10-27 06:34:22,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:34:22,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 06:34:22,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716084013] [2020-10-27 06:34:22,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 06:34:22,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:34:22,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 06:34:22,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2020-10-27 06:34:22,528 INFO L87 Difference]: Start difference. First operand 3356 states and 3865 transitions. Second operand 20 states. [2020-10-27 06:34:28,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:34:28,681 INFO L93 Difference]: Finished difference Result 8899 states and 10649 transitions. [2020-10-27 06:34:28,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-27 06:34:28,682 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 286 [2020-10-27 06:34:28,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:34:28,711 INFO L225 Difference]: With dead ends: 8899 [2020-10-27 06:34:28,711 INFO L226 Difference]: Without dead ends: 5930 [2020-10-27 06:34:28,722 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 80 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 766 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=514, Invalid=2678, Unknown=0, NotChecked=0, Total=3192 [2020-10-27 06:34:28,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5930 states. [2020-10-27 06:34:29,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5930 to 5211. [2020-10-27 06:34:29,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5211 states. [2020-10-27 06:34:29,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5211 states to 5211 states and 6003 transitions. [2020-10-27 06:34:29,417 INFO L78 Accepts]: Start accepts. Automaton has 5211 states and 6003 transitions. Word has length 286 [2020-10-27 06:34:29,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:34:29,418 INFO L481 AbstractCegarLoop]: Abstraction has 5211 states and 6003 transitions. [2020-10-27 06:34:29,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 06:34:29,418 INFO L276 IsEmpty]: Start isEmpty. Operand 5211 states and 6003 transitions. [2020-10-27 06:34:29,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-10-27 06:34:29,426 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:34:29,426 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:34:29,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 06:34:29,427 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:34:29,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:34:29,427 INFO L82 PathProgramCache]: Analyzing trace with hash -878150143, now seen corresponding path program 1 times [2020-10-27 06:34:29,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:34:29,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1186999833] [2020-10-27 06:34:29,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:34:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:29,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:29,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:29,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:29,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:29,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:30,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:30,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 384 [2020-10-27 06:34:33,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 06:34:33,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3586 [2020-10-27 06:34:33,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 06:34:33,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 156 [2020-10-27 06:34:33,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-27 06:34:33,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:34:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:34:33,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:34:33,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:34:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:34:33,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:33,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:34:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:34:33,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:33,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 06:34:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:33,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:33,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:34:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:33,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:33,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:34:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 06:34:33,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:33,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:33,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:33,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:34:33,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:34:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:33,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:33,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:34:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:33,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:33,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:34:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-27 06:34:33,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:34:33,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 06:34:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:33,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:33,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:34:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:34:33,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:34:33,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 06:34:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:34:33,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:33,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 06:34:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:33,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:33,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 06:34:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:34:33,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:33,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:33,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:33,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 06:34:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:33,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:33,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:33,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:34:33,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 06:34:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 06:34:33,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:34:33,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:34:33,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:33,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:34:33,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:33,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:33,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:33,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:34:33,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:34:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:34:33,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:33,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:33,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:34:33,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 06:34:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:33,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:34:33,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:34:33,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:34:33,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:34:33,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:34:33,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 06:34:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:34:33,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:34:33,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:33,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:34:33,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:33,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:33,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-27 06:34:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 06:34:33,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:34:33,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:33,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 06:34:33,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 06:34:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:33,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:33,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:34:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:34:33,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:33,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 06:34:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:33,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:33,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-27 06:34:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:34:33,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:34:33,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:34:33,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:34:33,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:34:33,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:33,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:34:33,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:34:33,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:34:33,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 06:34:33,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-27 06:34:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:33,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:33,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:34:33,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:34:33,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:34:33,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-10-27 06:34:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 06:34:33,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:33,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-27 06:34:33,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:33,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:33,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:34:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:33,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:33,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-10-27 06:34:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:33,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:33,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:34:33,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-10-27 06:34:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:34:33,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:33,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 06:34:33,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:33,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:33,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:33,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2020-10-27 06:34:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:33,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:33,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:34:33,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2020-10-27 06:34:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:33,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:33,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:33,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:34:33,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:33,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:34:33,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:33,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:33,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 06:34:33,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:33,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:33,648 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 79 proven. 16 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2020-10-27 06:34:33,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1186999833] [2020-10-27 06:34:33,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:34:33,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 06:34:33,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279918835] [2020-10-27 06:34:33,650 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:34:33,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:34:33,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:34:33,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:34:33,650 INFO L87 Difference]: Start difference. First operand 5211 states and 6003 transitions. Second operand 13 states. [2020-10-27 06:34:35,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:34:35,824 INFO L93 Difference]: Finished difference Result 6562 states and 7555 transitions. [2020-10-27 06:34:35,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 06:34:35,825 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 294 [2020-10-27 06:34:35,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:34:35,831 INFO L225 Difference]: With dead ends: 6562 [2020-10-27 06:34:35,831 INFO L226 Difference]: Without dead ends: 1702 [2020-10-27 06:34:35,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=154, Invalid=446, Unknown=0, NotChecked=0, Total=600 [2020-10-27 06:34:35,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1702 states. [2020-10-27 06:34:36,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1702 to 1588. [2020-10-27 06:34:36,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1588 states. [2020-10-27 06:34:36,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1588 states and 1766 transitions. [2020-10-27 06:34:36,059 INFO L78 Accepts]: Start accepts. Automaton has 1588 states and 1766 transitions. Word has length 294 [2020-10-27 06:34:36,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:34:36,060 INFO L481 AbstractCegarLoop]: Abstraction has 1588 states and 1766 transitions. [2020-10-27 06:34:36,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:34:36,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 1766 transitions. [2020-10-27 06:34:36,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-10-27 06:34:36,067 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:34:36,067 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1] [2020-10-27 06:34:36,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 06:34:36,067 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:34:36,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:34:36,068 INFO L82 PathProgramCache]: Analyzing trace with hash 286859473, now seen corresponding path program 1 times [2020-10-27 06:34:36,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:34:36,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1375527634] [2020-10-27 06:34:36,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:34:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:36,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:36,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:36,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:36,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:36,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:36,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:38,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:38,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 381 [2020-10-27 06:34:41,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 06:34:41,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 06:34:41,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:34:41,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-10-27 06:34:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 06:34:41,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:34:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:34:41,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:34:41,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:41,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:41,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:34:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:34:41,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:41,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:41,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:41,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:34:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:34:41,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:41,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:41,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:41,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 06:34:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:41,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:41,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:41,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:41,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:34:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:41,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:41,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:41,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:41,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:34:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 06:34:41,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:41,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:41,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:41,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:41,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:41,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:41,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:41,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:34:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:41,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:41,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:41,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:41,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:34:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:41,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:41,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:41,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:41,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:34:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-27 06:34:41,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:34:41,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:41,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-27 06:34:41,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 06:34:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:41,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:41,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:41,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:41,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 06:34:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:41,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:41,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:41,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:41,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 06:34:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:41,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:41,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:41,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:41,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 06:34:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:34:41,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:34:41,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:41,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:34:41,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 06:34:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:41,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:41,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:41,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:34:41,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-27 06:34:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:34:41,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:34:41,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:41,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:34:41,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:41,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:41,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:41,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:41,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 06:34:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:41,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:41,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:41,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:34:41,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 06:34:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 06:34:41,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:34:41,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:34:41,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:41,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 06:34:41,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:41,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:41,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:41,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:41,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:34:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:41,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:41,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:41,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:41,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 06:34:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:41,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:41,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:41,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:34:41,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-27 06:34:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 06:34:41,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:34:41,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:41,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 06:34:41,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:41,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:41,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:41,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:41,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-27 06:34:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 06:34:41,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 06:34:41,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:34:41,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:34:41,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 06:34:41,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 06:34:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:41,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:34:41,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:41,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:34:41,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 06:34:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:34:41,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:34:41,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:41,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 06:34:41,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:34:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:41,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:34:41,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:41,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:34:41,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-27 06:34:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:34:41,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:41,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:41,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:34:41,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-10-27 06:34:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:41,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:41,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:41,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:34:41,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-27 06:34:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 06:34:41,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:34:41,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:41,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:34:41,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 06:34:41,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:41,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:41,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:41,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:34:41,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:34:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:41,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:41,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:41,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:34:41,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-10-27 06:34:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:41,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:41,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:41,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:34:41,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:41,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-10-27 06:34:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 06:34:41,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:41,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:41,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 06:34:41,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:41,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:41,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:41,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:41,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:41,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:41,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2020-10-27 06:34:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:41,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:41,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:41,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:41,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:41,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:41,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:41,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:41,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:34:41,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:41,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:41,789 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 106 proven. 11 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2020-10-27 06:34:41,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1375527634] [2020-10-27 06:34:41,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:34:41,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 06:34:41,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236437890] [2020-10-27 06:34:41,790 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:34:41,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:34:41,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:34:41,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:34:41,791 INFO L87 Difference]: Start difference. First operand 1588 states and 1766 transitions. Second operand 13 states. [2020-10-27 06:34:44,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:34:44,102 INFO L93 Difference]: Finished difference Result 3053 states and 3444 transitions. [2020-10-27 06:34:44,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 06:34:44,103 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 293 [2020-10-27 06:34:44,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:34:44,107 INFO L225 Difference]: With dead ends: 3053 [2020-10-27 06:34:44,108 INFO L226 Difference]: Without dead ends: 1600 [2020-10-27 06:34:44,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=187, Invalid=625, Unknown=0, NotChecked=0, Total=812 [2020-10-27 06:34:44,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1600 states. [2020-10-27 06:34:44,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1600 to 1574. [2020-10-27 06:34:44,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1574 states. [2020-10-27 06:34:44,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 1574 states and 1737 transitions. [2020-10-27 06:34:44,334 INFO L78 Accepts]: Start accepts. Automaton has 1574 states and 1737 transitions. Word has length 293 [2020-10-27 06:34:44,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:34:44,335 INFO L481 AbstractCegarLoop]: Abstraction has 1574 states and 1737 transitions. [2020-10-27 06:34:44,335 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:34:44,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 1737 transitions. [2020-10-27 06:34:44,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-10-27 06:34:44,340 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:34:44,341 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1] [2020-10-27 06:34:44,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-27 06:34:44,341 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:34:44,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:34:44,341 INFO L82 PathProgramCache]: Analyzing trace with hash -206550307, now seen corresponding path program 1 times [2020-10-27 06:34:44,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:34:44,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1075046297] [2020-10-27 06:34:44,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:34:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:44,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:44,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:44,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:44,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:45,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:45,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:46,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:47,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:47,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 383 [2020-10-27 06:34:49,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 06:34:49,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 06:34:49,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 06:34:49,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 154 [2020-10-27 06:34:49,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-27 06:34:49,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:34:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:34:49,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:34:49,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:49,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:49,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:34:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:34:49,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:49,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:49,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:49,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:34:49,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:34:49,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:49,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:49,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:49,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 06:34:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:49,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:49,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:49,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:49,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:34:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:49,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:49,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:49,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:49,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:34:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 06:34:49,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:49,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:49,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:49,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:49,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:49,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:49,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:49,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:34:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:49,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:49,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:49,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:49,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:34:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:49,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:49,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:49,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:49,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:34:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-27 06:34:49,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:34:49,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:49,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:49,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 06:34:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:49,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:49,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:49,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:49,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 06:34:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:49,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:49,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:49,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:49,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 06:34:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:49,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:49,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:49,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:49,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 06:34:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:34:49,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:49,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:49,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:49,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 06:34:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:49,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:49,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:49,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:49,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-27 06:34:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:34:49,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:34:49,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:49,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:34:49,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:49,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:49,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:49,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:34:49,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 06:34:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:49,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:34:49,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:34:49,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:34:49,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:34:49,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:34:49,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 06:34:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 06:34:49,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:34:49,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:34:49,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:49,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 06:34:49,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:34:49,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:49,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:49,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:49,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 06:34:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:49,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:49,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:49,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:49,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-27 06:34:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:49,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:49,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:34:49,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:34:49,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:34:49,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 06:34:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 06:34:49,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:34:49,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:49,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 06:34:49,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:49,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:49,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:49,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:49,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-27 06:34:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 06:34:49,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:34:49,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:49,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-27 06:34:49,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 06:34:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:49,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:49,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:49,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:49,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 06:34:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:34:49,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:49,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:49,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:49,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:34:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:49,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:49,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:49,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:49,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-27 06:34:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:34:49,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:34:49,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:34:49,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:34:49,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:34:49,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-27 06:34:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:49,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:34:49,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:34:49,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:34:49,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:34:49,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:34:49,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-27 06:34:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 06:34:49,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:34:49,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:34:49,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:49,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 06:34:49,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:34:49,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:49,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:49,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:49,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 06:34:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:49,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:49,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:49,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:49,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:49,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-10-27 06:34:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:49,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:49,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:49,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:49,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:49,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:49,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:34:49,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:34:49,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:34:49,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:49,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-27 06:34:49,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:49,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:50,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:50,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 06:34:50,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:50,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:50,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:50,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:50,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 06:34:50,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:50,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:50,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:50,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:50,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:50,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:50,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:50,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:50,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:50,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:50,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:50,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-10-27 06:34:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:50,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:50,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:50,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:50,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:50,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:50,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:50,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:50,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:34:50,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:50,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:50,111 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 71 proven. 7 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2020-10-27 06:34:50,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1075046297] [2020-10-27 06:34:50,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:34:50,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 06:34:50,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960314000] [2020-10-27 06:34:50,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 06:34:50,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:34:50,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 06:34:50,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2020-10-27 06:34:50,113 INFO L87 Difference]: Start difference. First operand 1574 states and 1737 transitions. Second operand 15 states. [2020-10-27 06:34:53,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:34:53,186 INFO L93 Difference]: Finished difference Result 3277 states and 3621 transitions. [2020-10-27 06:34:53,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-27 06:34:53,186 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 295 [2020-10-27 06:34:53,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:34:53,193 INFO L225 Difference]: With dead ends: 3277 [2020-10-27 06:34:53,194 INFO L226 Difference]: Without dead ends: 1914 [2020-10-27 06:34:53,197 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=339, Invalid=1143, Unknown=0, NotChecked=0, Total=1482 [2020-10-27 06:34:53,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2020-10-27 06:34:53,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 1879. [2020-10-27 06:34:53,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1879 states. [2020-10-27 06:34:53,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1879 states and 2067 transitions. [2020-10-27 06:34:53,465 INFO L78 Accepts]: Start accepts. Automaton has 1879 states and 2067 transitions. Word has length 295 [2020-10-27 06:34:53,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:34:53,465 INFO L481 AbstractCegarLoop]: Abstraction has 1879 states and 2067 transitions. [2020-10-27 06:34:53,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 06:34:53,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 2067 transitions. [2020-10-27 06:34:53,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-10-27 06:34:53,469 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:34:53,470 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:34:53,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-27 06:34:53,470 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:34:53,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:34:53,470 INFO L82 PathProgramCache]: Analyzing trace with hash -855143077, now seen corresponding path program 1 times [2020-10-27 06:34:53,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:34:53,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1036698963] [2020-10-27 06:34:53,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:34:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:53,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:53,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:53,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:53,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:53,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:56,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:56,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 383 [2020-10-27 06:34:56,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 06:34:56,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3258 [2020-10-27 06:34:56,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:56,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:34:56,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 166 [2020-10-27 06:34:56,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 06:34:56,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:56,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:34:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:56,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:56,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:56,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:34:56,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:56,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:34:56,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:56,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:56,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:56,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:56,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:56,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:34:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:56,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:56,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:56,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:34:56,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:56,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:56,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:56,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:56,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:56,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:56,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:56,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:34:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:56,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:56,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:56,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:34:56,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:56,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:56,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:56,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:56,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:56,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:56,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:56,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 06:34:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:56,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:56,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:56,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:56,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:56,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:56,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:56,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:56,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:56,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:56,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:56,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 06:34:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:56,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:56,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:56,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:56,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:56,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:56,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:56,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:56,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:56,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:56,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:56,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 06:34:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:56,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:56,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:56,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 06:34:56,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:56,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:56,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:56,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:56,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:56,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:56,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:56,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:56,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:56,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:56,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:56,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:56,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:56,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:56,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:56,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:56,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:56,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:56,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:34:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:56,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:56,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:56,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:56,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:56,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:56,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:56,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:56,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:56,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:56,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:56,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 06:34:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:56,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:56,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:56,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:56,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:56,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:56,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:56,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:56,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:56,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:56,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:34:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-27 06:34:57,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:57,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:34:57,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:57,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:57,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:57,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 06:34:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:57,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:57,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:57,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:57,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:57,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:57,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 06:34:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:57,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:57,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:57,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:57,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:57,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:57,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 06:34:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:57,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:57,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:57,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:57,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:57,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:57,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 06:34:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:34:57,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:57,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:57,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:57,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:57,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:57,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 06:34:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:57,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:57,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:57,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:57,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:57,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:57,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-27 06:34:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:34:57,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:57,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:57,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:57,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:57,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:57,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:34:57,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:57,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:57,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:57,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:57,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:57,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 06:34:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:57,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:57,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:57,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:57,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:57,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:34:57,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-27 06:34:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 06:34:57,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:34:57,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:34:57,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:34:57,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:57,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 06:34:57,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:34:57,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:57,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:57,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:57,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:57,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:57,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 06:34:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:57,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:57,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:57,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:57,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:57,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:57,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-27 06:34:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:57,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:57,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:57,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:34:57,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:34:57,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 06:34:57,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 06:34:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 06:34:57,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:57,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:34:57,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:57,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 06:34:57,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:57,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:57,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:57,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:57,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:57,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:57,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:57,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-27 06:34:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 06:34:57,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:57,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:34:57,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:57,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-27 06:34:57,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:57,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 06:34:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:57,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:57,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:57,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:57,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:57,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:57,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 06:34:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 06:34:57,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:57,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:57,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:57,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:57,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:57,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 06:34:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:57,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:57,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:57,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:57,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:57,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:57,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-27 06:34:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:34:57,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:57,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:57,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:57,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:34:57,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:57,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-27 06:34:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:57,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:57,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:57,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:57,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:34:57,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:57,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-27 06:34:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 06:34:57,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:57,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:34:57,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:57,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-27 06:34:57,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:57,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 06:34:57,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:57,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:57,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:57,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:57,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:57,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 06:34:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:57,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:57,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:57,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:57,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:57,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:57,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-10-27 06:34:57,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:34:57,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:57,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:57,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:57,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:34:57,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:57,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-27 06:34:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 06:34:57,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:57,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:34:57,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:57,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 06:34:57,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:57,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:34:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:57,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:57,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:57,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:57,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:34:57,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:57,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2020-10-27 06:34:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:34:57,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:34:57,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:34:57,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:34:57,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:34:57,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:34:57,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:34:57,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:34:57,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:34:57,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:34:57,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:34:57,278 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 58 proven. 5 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2020-10-27 06:34:57,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1036698963] [2020-10-27 06:34:57,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:34:57,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 06:34:57,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690501875] [2020-10-27 06:34:57,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:34:57,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:34:57,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:34:57,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:34:57,280 INFO L87 Difference]: Start difference. First operand 1879 states and 2067 transitions. Second operand 13 states. [2020-10-27 06:34:59,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:34:59,898 INFO L93 Difference]: Finished difference Result 2355 states and 2583 transitions. [2020-10-27 06:34:59,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-27 06:34:59,898 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 295 [2020-10-27 06:34:59,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:34:59,900 INFO L225 Difference]: With dead ends: 2355 [2020-10-27 06:34:59,900 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 06:34:59,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=273, Invalid=987, Unknown=0, NotChecked=0, Total=1260 [2020-10-27 06:34:59,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 06:34:59,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 06:34:59,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 06:34:59,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 06:34:59,905 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 295 [2020-10-27 06:34:59,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:34:59,905 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 06:34:59,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:34:59,906 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 06:34:59,906 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 06:34:59,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-27 06:34:59,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 06:35:01,065 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 338 DAG size of output: 269 [2020-10-27 06:35:01,402 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 154 [2020-10-27 06:35:04,642 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 270 [2020-10-27 06:35:04,990 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 332 DAG size of output: 266 [2020-10-27 06:35:07,023 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 304 [2020-10-27 06:35:11,859 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 304 [2020-10-27 06:35:15,722 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 294 [2020-10-27 06:35:22,561 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 282 [2020-10-27 06:35:28,459 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 291 DAG size of output: 102 [2020-10-27 06:35:35,710 WARN L193 SmtUtils]: Spent 7.22 s on a formula simplification. DAG size of input: 434 DAG size of output: 159 [2020-10-27 06:35:37,807 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 292 DAG size of output: 103 [2020-10-27 06:35:39,696 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 289 DAG size of output: 100 [2020-10-27 06:35:41,383 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 201 DAG size of output: 73 [2020-10-27 06:35:43,406 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 203 DAG size of output: 85