/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/token_ring.11.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 06:38:26,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 06:38:26,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 06:38:26,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 06:38:26,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 06:38:26,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 06:38:26,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 06:38:26,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 06:38:26,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 06:38:26,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 06:38:26,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 06:38:26,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 06:38:26,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 06:38:26,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 06:38:26,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 06:38:26,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 06:38:26,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 06:38:26,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 06:38:26,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 06:38:26,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 06:38:26,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 06:38:26,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 06:38:26,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 06:38:26,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 06:38:26,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 06:38:26,673 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 06:38:26,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 06:38:26,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 06:38:26,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 06:38:26,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 06:38:26,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 06:38:26,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 06:38:26,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 06:38:26,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 06:38:26,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 06:38:26,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 06:38:26,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 06:38:26,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 06:38:26,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 06:38:26,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 06:38:26,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 06:38:26,698 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 06:38:26,733 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 06:38:26,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 06:38:26,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 06:38:26,735 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 06:38:26,736 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 06:38:26,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 06:38:26,736 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 06:38:26,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 06:38:26,736 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 06:38:26,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 06:38:26,737 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 06:38:26,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 06:38:26,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 06:38:26,737 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 06:38:26,738 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 06:38:26,738 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 06:38:26,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 06:38:26,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 06:38:26,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 06:38:26,739 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 06:38:26,739 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 06:38:26,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 06:38:26,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 06:38:26,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 06:38:26,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 06:38:26,740 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 06:38:26,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 06:38:26,740 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 06:38:26,740 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 06:38:26,740 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 06:38:27,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 06:38:27,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 06:38:27,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 06:38:27,165 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 06:38:27,166 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 06:38:27,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.11.cil-2.c [2020-10-27 06:38:27,237 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bac94c1c6/57bed4724e17423a835c228c9ceb098a/FLAG8e6dd7e4b [2020-10-27 06:38:27,796 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 06:38:27,796 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.11.cil-2.c [2020-10-27 06:38:27,813 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bac94c1c6/57bed4724e17423a835c228c9ceb098a/FLAG8e6dd7e4b [2020-10-27 06:38:28,081 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bac94c1c6/57bed4724e17423a835c228c9ceb098a [2020-10-27 06:38:28,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 06:38:28,092 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 06:38:28,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 06:38:28,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 06:38:28,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 06:38:28,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:38:28" (1/1) ... [2020-10-27 06:38:28,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a9549d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:38:28, skipping insertion in model container [2020-10-27 06:38:28,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:38:28" (1/1) ... [2020-10-27 06:38:28,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 06:38:28,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 06:38:28,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:38:28,572 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 06:38:28,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:38:28,768 INFO L208 MainTranslator]: Completed translation [2020-10-27 06:38:28,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:38:28 WrapperNode [2020-10-27 06:38:28,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 06:38:28,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 06:38:28,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 06:38:28,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 06:38:28,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:38:28" (1/1) ... [2020-10-27 06:38:28,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:38:28" (1/1) ... [2020-10-27 06:38:28,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:38:28" (1/1) ... [2020-10-27 06:38:28,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:38:28" (1/1) ... [2020-10-27 06:38:28,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:38:28" (1/1) ... [2020-10-27 06:38:28,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:38:28" (1/1) ... [2020-10-27 06:38:28,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:38:28" (1/1) ... [2020-10-27 06:38:28,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 06:38:28,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 06:38:28,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 06:38:28,896 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 06:38:28,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:38:28" (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 06:38:28,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 06:38:28,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 06:38:29,000 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 06:38:29,000 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-27 06:38:29,001 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-27 06:38:29,001 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-27 06:38:29,001 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-27 06:38:29,002 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-27 06:38:29,002 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-27 06:38:29,002 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-27 06:38:29,003 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-27 06:38:29,003 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-27 06:38:29,003 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-27 06:38:29,003 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-27 06:38:29,004 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-27 06:38:29,004 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-10-27 06:38:29,005 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-27 06:38:29,005 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-27 06:38:29,005 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-27 06:38:29,006 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-27 06:38:29,006 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-27 06:38:29,006 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-27 06:38:29,006 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-27 06:38:29,006 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-27 06:38:29,006 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-27 06:38:29,006 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-27 06:38:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-27 06:38:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-10-27 06:38:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-27 06:38:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-27 06:38:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-27 06:38:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-27 06:38:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-27 06:38:29,008 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-27 06:38:29,008 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-27 06:38:29,008 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-27 06:38:29,008 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-27 06:38:29,008 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-27 06:38:29,008 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-27 06:38:29,008 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-27 06:38:29,008 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-27 06:38:29,009 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 06:38:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 06:38:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 06:38:29,009 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 06:38:29,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 06:38:29,010 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-27 06:38:29,010 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-27 06:38:29,010 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-27 06:38:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-27 06:38:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-27 06:38:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-27 06:38:29,011 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-27 06:38:29,012 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-27 06:38:29,012 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-27 06:38:29,012 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-27 06:38:29,012 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-27 06:38:29,012 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-27 06:38:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-10-27 06:38:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-27 06:38:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 06:38:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-27 06:38:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-27 06:38:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-27 06:38:29,013 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-27 06:38:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-27 06:38:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-27 06:38:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-27 06:38:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-27 06:38:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-27 06:38:29,014 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-27 06:38:29,015 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-27 06:38:29,016 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-10-27 06:38:29,017 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-27 06:38:29,017 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-27 06:38:29,017 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-27 06:38:29,017 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-27 06:38:29,017 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-27 06:38:29,017 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-27 06:38:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-27 06:38:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-27 06:38:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-27 06:38:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-27 06:38:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-27 06:38:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-27 06:38:29,018 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 06:38:29,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 06:38:29,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 06:38:29,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 06:38:29,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 06:38:29,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 06:38:29,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 06:38:30,277 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 06:38:30,277 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-27 06:38:30,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:38:30 BoogieIcfgContainer [2020-10-27 06:38:30,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 06:38:30,282 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 06:38:30,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 06:38:30,287 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 06:38:30,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:38:28" (1/3) ... [2020-10-27 06:38:30,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db33a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:38:30, skipping insertion in model container [2020-10-27 06:38:30,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:38:28" (2/3) ... [2020-10-27 06:38:30,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db33a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:38:30, skipping insertion in model container [2020-10-27 06:38:30,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:38:30" (3/3) ... [2020-10-27 06:38:30,291 INFO L111 eAbstractionObserver]: Analyzing ICFG token_ring.11.cil-2.c [2020-10-27 06:38:30,303 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 06:38:30,309 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 06:38:30,322 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 06:38:30,368 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 06:38:30,368 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 06:38:30,368 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 06:38:30,368 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 06:38:30,368 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 06:38:30,369 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 06:38:30,369 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 06:38:30,369 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 06:38:30,395 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states. [2020-10-27 06:38:30,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-27 06:38:30,415 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:38:30,416 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:38:30,416 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:38:30,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:38:30,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1940037805, now seen corresponding path program 1 times [2020-10-27 06:38:30,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:38:30,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1434450448] [2020-10-27 06:38:30,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:38:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:30,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:31,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:31,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:31,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:32,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:32,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:32,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:32,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:32,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:32,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:32,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:32,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:32,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:32,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:32,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:32,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:33,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:33,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:33,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:33,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:33,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:33,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:33,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:33,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:33,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:33,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:33,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:33,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:33,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:33,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:33,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:33,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:33,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:33,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:33,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:34,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:35,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:35,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-27 06:38:35,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 36 [2020-10-27 06:38:35,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-10-27 06:38:35,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:35,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:38:35,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:38:35,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-27 06:38:35,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 06:38:36,349 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-27 06:38:36,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:38:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:36,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:36,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:36,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:38:36,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:36,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 06:38:36,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:36,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:36,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:36,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:38:36,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:36,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:38:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:36,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:36,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:36,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:38:36,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:36,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:38:36,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:36,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:36,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:36,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:38:36,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:36,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:38:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:36,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:36,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:36,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:38:36,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:36,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:36,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:36,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:36,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:36,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:38:36,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:36,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:38:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:36,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:36,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:36,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:38:36,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:36,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 06:38:36,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:36,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:36,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:36,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:38:36,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:36,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 06:38:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:36,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:36,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:36,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 06:38:36,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:36,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 06:38:36,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:36,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:36,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:36,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 06:38:36,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:36,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 06:38:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:36,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:36,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:36,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:36,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-27 06:38:36,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:38:36,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-27 06:38:36,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:36,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:36,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-27 06:38:36,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 06:38:36,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:36,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:38:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:36,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:36,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:36,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:36,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:36,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:38:36,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:36,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:36,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:36,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:36,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:36,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:38:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:36,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:36,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:36,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:36,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:36,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:38:36,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:36,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:36,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:36,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:36,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:36,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:38:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:36,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:36,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:36,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:36,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:36,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:36,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:36,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:36,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:36,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:36,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:36,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:38:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:36,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:36,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:36,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:36,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:36,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:38:36,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:36,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:36,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:36,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:36,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:36,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:38:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:37,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:37,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:37,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:37,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:37,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:37,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:37,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:37,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:37,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:37,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:37,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:38:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:37,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:37,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:37,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:37,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:37,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:38:37,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:37,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:37,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:37,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:37,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:37,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:38:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:37,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:37,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:37,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:37,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:37,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:37,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:37,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:37,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:37,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:37,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:37,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:38:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:37,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:37,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:37,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:37,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:37,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:38:37,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:37,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:37,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:37,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:37,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:37,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:38:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:37,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:37,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:37,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:37,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:37,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:38:37,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:37,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:37,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:37,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:38:37,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:37,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:38:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:37,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:37,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:37,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:37,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:37,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:38:37,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:37,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:37,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:37,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:38:37,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:37,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:38:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:37,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:37,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:37,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:37,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:37,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:38:37,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:37,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:37,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:37,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:38:37,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:37,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:38:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:37,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:37,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:37,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:38:37,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:37,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 06:38:37,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:37,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:38:37,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:38:37,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:38:37,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:37,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-27 06:38:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:37,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:37,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:37,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 06:38:37,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:37,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 06:38:37,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:37,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:37,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-27 06:38:37,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:37,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:37,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-27 06:38:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:37,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:37,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:37,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:38:37,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:38:37,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:38:37,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:37,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:38:37,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:38:37,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:38:37,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:37,222 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 06:38:37,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1434450448] [2020-10-27 06:38:37,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:38:37,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 06:38:37,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794847293] [2020-10-27 06:38:37,232 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 06:38:37,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:38:37,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 06:38:37,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 06:38:37,248 INFO L87 Difference]: Start difference. First operand 448 states. Second operand 8 states. [2020-10-27 06:38:37,856 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-27 06:38:38,052 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 06:38:38,309 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 06:38:42,710 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 06:38:43,542 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-27 06:38:54,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:38:54,086 INFO L93 Difference]: Finished difference Result 1827 states and 3055 transitions. [2020-10-27 06:38:54,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 06:38:54,089 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 218 [2020-10-27 06:38:54,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:38:54,120 INFO L225 Difference]: With dead ends: 1827 [2020-10-27 06:38:54,120 INFO L226 Difference]: Without dead ends: 1385 [2020-10-27 06:38:54,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2020-10-27 06:38:54,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2020-10-27 06:38:54,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 862. [2020-10-27 06:38:54,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 862 states. [2020-10-27 06:38:54,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1273 transitions. [2020-10-27 06:38:54,462 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1273 transitions. Word has length 218 [2020-10-27 06:38:54,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:38:54,467 INFO L481 AbstractCegarLoop]: Abstraction has 862 states and 1273 transitions. [2020-10-27 06:38:54,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 06:38:54,467 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1273 transitions. [2020-10-27 06:38:54,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-27 06:38:54,482 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:38:54,482 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:38:54,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 06:38:54,483 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:38:54,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:38:54,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1137742868, now seen corresponding path program 1 times [2020-10-27 06:38:54,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:38:54,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1078349230] [2020-10-27 06:38:54,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:38:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:54,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:54,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:54,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:54,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:54,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:55,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:55,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:55,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:55,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:55,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:55,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:55,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:56,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:56,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:56,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:56,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:56,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:56,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:57,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:57,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:57,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:57,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:57,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:57,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:57,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:57,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:57,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:57,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:57,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:57,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:57,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:58,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:58,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:59,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:38:59,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:38:59,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-27 06:38:59,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 34 [2020-10-27 06:38:59,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-27 06:38:59,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:38:59,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:38:59,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:38:59,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 06:38:59,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:38:59,973 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-27 06:38:59,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:38:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:38:59,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:00,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:00,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:39:00,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:00,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 06:39:00,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:00,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:00,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:00,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:39:00,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:00,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:39:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:00,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:00,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:00,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:39:00,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:00,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:39:00,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:00,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:00,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:00,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:39:00,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:00,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:39:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:00,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:00,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:00,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:39:00,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:00,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:00,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:00,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:00,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:00,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:39:00,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:00,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:39:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:00,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:00,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:00,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:39:00,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:00,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:39:00,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:00,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:00,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:00,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:39:00,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:00,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 06:39:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:00,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:00,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:00,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 06:39:00,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:00,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-27 06:39:00,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:00,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:39:00,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:39:00,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 06:39:00,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:00,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 06:39:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:00,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:00,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:00,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:01,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:01,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-27 06:39:01,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 06:39:01,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 710 [2020-10-27 06:39:01,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:01,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:39:01,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-27 06:39:01,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:39:01,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:01,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:39:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:01,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:01,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:01,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:01,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:01,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:39:01,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:01,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:01,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:01,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:01,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:01,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:39:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:01,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:01,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:01,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:01,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:01,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:01,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:01,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:01,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:01,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:01,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:01,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:39:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:01,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:01,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:01,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:01,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:01,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:01,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:01,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:01,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:01,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:01,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:01,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:39:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:01,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:01,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:01,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:01,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:01,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:39:01,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:01,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:01,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:01,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:01,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:01,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:39:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:01,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:01,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:01,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:01,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:01,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:01,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:01,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:01,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:01,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:01,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:01,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:39:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:01,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:01,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:01,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:01,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:01,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:01,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:01,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:01,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:01,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:01,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:01,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:39:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:01,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:01,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:01,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:01,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:01,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:01,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:01,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:01,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:01,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:01,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:01,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:39:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:01,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:01,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:01,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:01,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:01,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:01,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:01,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:01,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:01,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:01,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:01,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:39:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:01,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:01,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:01,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:01,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:01,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:39:01,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:01,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:39:01,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:01,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:39:01,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:01,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:39:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:01,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:01,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:01,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:01,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:01,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:39:01,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:01,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:01,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:39:01,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:01,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:01,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:39:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:01,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:01,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:01,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:01,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:01,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:39:01,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:01,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:01,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:39:01,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:01,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:01,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:39:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:01,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:01,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:01,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:01,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:01,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:39:01,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:01,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:01,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:39:01,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:01,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:01,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-27 06:39:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:01,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:01,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:01,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 06:39:01,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:01,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:39:01,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:01,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:01,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-27 06:39:01,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:01,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:01,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-27 06:39:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:01,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:01,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:01,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:39:01,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:01,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:39:01,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:01,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:01,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:39:01,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:01,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:01,455 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 06:39:01,456 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1078349230] [2020-10-27 06:39:01,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:39:01,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:39:01,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535088935] [2020-10-27 06:39:01,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:39:01,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:39:01,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:39:01,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:39:01,462 INFO L87 Difference]: Start difference. First operand 862 states and 1273 transitions. Second operand 13 states. [2020-10-27 06:39:01,928 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-27 06:39:02,103 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 06:39:02,343 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 06:39:05,097 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-27 06:39:05,516 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-27 06:39:05,948 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-27 06:39:06,134 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 06:39:06,561 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-27 06:39:06,721 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 06:39:14,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:39:14,253 INFO L93 Difference]: Finished difference Result 2230 states and 3516 transitions. [2020-10-27 06:39:14,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 06:39:14,254 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 218 [2020-10-27 06:39:14,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:39:14,266 INFO L225 Difference]: With dead ends: 2230 [2020-10-27 06:39:14,266 INFO L226 Difference]: Without dead ends: 1397 [2020-10-27 06:39:14,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2020-10-27 06:39:14,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1397 states. [2020-10-27 06:39:14,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1397 to 867. [2020-10-27 06:39:14,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2020-10-27 06:39:14,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1271 transitions. [2020-10-27 06:39:14,468 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1271 transitions. Word has length 218 [2020-10-27 06:39:14,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:39:14,468 INFO L481 AbstractCegarLoop]: Abstraction has 867 states and 1271 transitions. [2020-10-27 06:39:14,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:39:14,469 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1271 transitions. [2020-10-27 06:39:14,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-27 06:39:14,472 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:39:14,472 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:39:14,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 06:39:14,473 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:39:14,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:39:14,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1651678378, now seen corresponding path program 1 times [2020-10-27 06:39:14,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:39:14,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1014454686] [2020-10-27 06:39:14,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:39:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:14,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:14,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:14,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:14,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:15,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:15,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:15,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:15,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:15,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:15,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:15,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:15,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:15,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:16,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:17,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:17,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:17,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:17,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:17,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:17,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:17,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:19,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:19,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-27 06:39:19,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 34 [2020-10-27 06:39:19,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 06:39:19,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:19,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:39:19,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:39:19,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 06:39:19,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:19,925 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-27 06:39:19,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:39:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:19,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:19,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:19,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:39:19,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:19,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 06:39:19,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:19,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:19,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:19,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:39:19,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:20,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:39:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:20,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:20,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:20,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:39:20,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:20,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:39:20,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:20,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:20,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:20,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:39:20,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:20,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:39:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:20,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:20,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:20,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:39:20,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:20,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:20,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:20,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:20,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:20,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:39:20,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:20,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:39:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:20,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:20,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:20,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:39:20,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:20,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 06:39:20,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:20,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:20,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:20,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:39:20,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:20,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 06:39:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:20,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:20,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:20,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 06:39:20,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:20,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 06:39:20,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:20,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:39:20,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:39:20,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 06:39:20,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:39:20,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 06:39:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:20,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:20,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:20,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:20,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-27 06:39:20,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:39:20,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-27 06:39:20,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:20,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:39:20,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-27 06:39:20,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:39:20,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:20,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:39:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:20,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:20,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:20,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:20,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:20,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:20,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:20,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:20,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:20,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:20,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:20,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:39:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:20,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:20,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:20,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:20,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:20,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:20,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:20,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:20,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:20,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:20,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:20,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:39:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:20,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:20,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:20,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:20,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:20,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:20,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:20,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:20,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:20,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:20,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:20,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:39:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:20,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:20,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:20,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:20,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:20,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:20,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:20,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:20,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:20,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:20,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:20,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:39:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:20,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:20,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:20,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:20,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:20,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:20,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:20,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:20,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:20,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:20,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:20,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:39:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:20,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:20,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:20,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:20,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:20,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:20,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:20,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:20,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:20,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:20,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:20,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:39:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:20,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:20,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:20,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:20,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:20,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:20,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:20,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:20,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:20,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:20,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:20,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:39:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:20,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:20,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:20,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:20,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:20,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:20,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:20,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:20,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:20,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:20,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:20,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:39:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:20,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:20,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:20,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:20,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:20,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:20,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:20,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:20,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:20,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:20,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:20,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:39:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:20,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:20,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:20,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:20,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:20,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:20,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:20,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:20,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:20,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:20,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:20,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:39:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:20,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:20,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:20,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:20,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:20,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:39:20,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:20,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:39:20,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:20,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:39:20,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:20,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:39:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:20,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:20,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:20,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:20,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:20,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:39:20,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:20,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:20,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:39:20,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:20,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:20,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-27 06:39:20,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:20,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:20,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:20,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 06:39:20,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:20,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:39:20,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:20,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:20,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-27 06:39:20,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:20,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:20,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-27 06:39:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:20,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:20,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:20,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:39:20,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:20,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:39:20,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:20,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:20,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:39:20,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:20,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:20,699 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 06:39:20,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1014454686] [2020-10-27 06:39:20,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:39:20,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 06:39:20,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957033940] [2020-10-27 06:39:20,700 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 06:39:20,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:39:20,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 06:39:20,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-27 06:39:20,702 INFO L87 Difference]: Start difference. First operand 867 states and 1271 transitions. Second operand 12 states. [2020-10-27 06:39:21,116 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-27 06:39:21,276 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 06:39:21,509 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 06:39:24,510 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-27 06:39:24,947 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-27 06:39:25,130 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 06:39:25,549 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-27 06:39:25,741 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 06:39:26,167 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-27 06:39:32,395 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 06:39:33,754 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-27 06:39:34,173 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-10-27 06:39:34,342 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 06:39:34,749 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-27 06:39:34,924 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 06:39:35,319 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-27 06:39:40,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:39:40,536 INFO L93 Difference]: Finished difference Result 3575 states and 5636 transitions. [2020-10-27 06:39:40,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 06:39:40,537 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 218 [2020-10-27 06:39:40,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:39:40,555 INFO L225 Difference]: With dead ends: 3575 [2020-10-27 06:39:40,555 INFO L226 Difference]: Without dead ends: 2737 [2020-10-27 06:39:40,561 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=219, Invalid=773, Unknown=0, NotChecked=0, Total=992 [2020-10-27 06:39:40,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2737 states. [2020-10-27 06:39:40,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2737 to 1755. [2020-10-27 06:39:40,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1755 states. [2020-10-27 06:39:40,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1755 states and 2587 transitions. [2020-10-27 06:39:40,950 INFO L78 Accepts]: Start accepts. Automaton has 1755 states and 2587 transitions. Word has length 218 [2020-10-27 06:39:40,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:39:40,950 INFO L481 AbstractCegarLoop]: Abstraction has 1755 states and 2587 transitions. [2020-10-27 06:39:40,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 06:39:40,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 2587 transitions. [2020-10-27 06:39:40,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-27 06:39:40,954 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:39:40,954 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:39:40,954 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 06:39:40,955 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:39:40,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:39:40,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1142988392, now seen corresponding path program 1 times [2020-10-27 06:39:40,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:39:40,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1167846018] [2020-10-27 06:39:40,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:39:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:41,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:41,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:41,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:41,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:41,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:41,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:41,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:41,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:41,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:41,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:41,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:42,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:43,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:43,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:43,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:43,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:43,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:43,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:43,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:43,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:43,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:43,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:43,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:43,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:44,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:44,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:44,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:44,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:44,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:45,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:46,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:46,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-27 06:39:46,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 30 [2020-10-27 06:39:46,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5052 [2020-10-27 06:39:46,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:46,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:39:46,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:39:46,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-27 06:39:46,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:46,586 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-27 06:39:46,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:39:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:46,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:46,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:46,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:39:46,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:46,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 06:39:46,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:46,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:46,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:46,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:39:46,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:39:46,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:39:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:46,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:46,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:46,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:39:46,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:46,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:39:46,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:46,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:46,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:46,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:39:46,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:39:46,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:39:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:46,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:46,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:46,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:39:46,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:46,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:46,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:46,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:46,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:46,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:39:46,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:39:46,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:39:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:46,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:46,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:46,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:39:46,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:46,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 06:39:46,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:46,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:39:46,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:46,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:39:46,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:46,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 06:39:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:46,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:46,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:46,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 06:39:46,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:46,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 06:39:46,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:46,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:39:46,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:39:46,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 06:39:46,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:46,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 06:39:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:46,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:46,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:46,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-27 06:39:46,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:46,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 06:39:46,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:46,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:46,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-27 06:39:46,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:46,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:46,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:39:46,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:47,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:47,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:47,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:47,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:47,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:39:47,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:47,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:47,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:47,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:47,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:47,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:39:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:47,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:47,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:47,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:47,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:47,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:47,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:47,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:47,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:47,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:47,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:47,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:39:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:47,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:47,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:47,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:47,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:47,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:47,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:47,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:47,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:47,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:47,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:47,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:39:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:47,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:47,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:47,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:47,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:47,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:47,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:47,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:47,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:47,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:47,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:47,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:39:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:47,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:47,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:47,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:47,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:47,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:47,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:47,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:47,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:47,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:47,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:47,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:39:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:47,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:47,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:47,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:47,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:47,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:47,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:47,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:47,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:47,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:47,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:47,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:39:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:47,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:47,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:47,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:47,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:47,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:47,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:47,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:47,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:47,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:47,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:47,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:39:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:47,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:47,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:47,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:47,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:47,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:47,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:47,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:47,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:47,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:47,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:47,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:39:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:47,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:47,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:47,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:47,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:47,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:47,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:47,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:47,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:47,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:47,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:47,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:39:47,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:47,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:47,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:47,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:47,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:47,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:47,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:47,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:47,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:47,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:47,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:47,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:39:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:47,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:47,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:47,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:47,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:47,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:47,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:47,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:47,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:47,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:47,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:47,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:39:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:47,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:47,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:47,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:39:47,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:47,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:47,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:47,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:47,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:39:47,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:47,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:47,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-27 06:39:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:47,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:47,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:47,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 06:39:47,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:47,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:39:47,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:47,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:47,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-27 06:39:47,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:47,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:47,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-27 06:39:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:47,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:47,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:39:47,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:39:47,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:39:47,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:39:47,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:39:47,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:39:47,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:39:47,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:39:47,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:39:47,177 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 06:39:47,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1167846018] [2020-10-27 06:39:47,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:39:47,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 06:39:47,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335568513] [2020-10-27 06:39:47,179 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 06:39:47,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:39:47,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 06:39:47,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:39:47,180 INFO L87 Difference]: Start difference. First operand 1755 states and 2587 transitions. Second operand 9 states. [2020-10-27 06:39:47,575 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-27 06:39:47,725 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 06:39:47,933 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 06:39:52,710 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 06:39:57,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:39:57,514 INFO L93 Difference]: Finished difference Result 5079 states and 7723 transitions. [2020-10-27 06:39:57,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 06:39:57,514 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 218 [2020-10-27 06:39:57,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:39:57,537 INFO L225 Difference]: With dead ends: 5079 [2020-10-27 06:39:57,537 INFO L226 Difference]: Without dead ends: 3353 [2020-10-27 06:39:57,546 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-10-27 06:39:57,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3353 states. [2020-10-27 06:39:57,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3353 to 2287. [2020-10-27 06:39:57,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2287 states. [2020-10-27 06:39:57,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2287 states to 2287 states and 3235 transitions. [2020-10-27 06:39:57,997 INFO L78 Accepts]: Start accepts. Automaton has 2287 states and 3235 transitions. Word has length 218 [2020-10-27 06:39:57,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:39:57,997 INFO L481 AbstractCegarLoop]: Abstraction has 2287 states and 3235 transitions. [2020-10-27 06:39:57,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 06:39:57,997 INFO L276 IsEmpty]: Start isEmpty. Operand 2287 states and 3235 transitions. [2020-10-27 06:39:58,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-27 06:39:58,002 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:39:58,002 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:39:58,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 06:39:58,002 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:39:58,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:39:58,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1655097561, now seen corresponding path program 1 times [2020-10-27 06:39:58,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:39:58,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1811120822] [2020-10-27 06:39:58,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:39:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:39:58,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:58,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:58,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:58,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:58,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:58,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:58,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:58,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:58,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:58,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:58,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:58,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:58,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:58,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:58,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:58,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:59,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:59,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:59,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:59,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:59,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:59,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:59,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:59,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:59,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:59,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:59,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:59,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:59,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:39:59,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:02,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:03,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:03,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-27 06:40:03,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 31 [2020-10-27 06:40:03,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-27 06:40:03,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:03,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:40:03,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:40:03,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-27 06:40:03,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:03,502 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-27 06:40:03,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:40:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:03,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:03,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:03,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:40:03,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:03,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 06:40:03,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:03,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:03,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:03,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:40:03,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:03,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:40:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:03,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:03,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:03,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:40:03,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:03,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:40:03,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:03,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:03,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:03,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:40:03,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:03,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:40:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:03,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:03,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:03,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:40:03,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:03,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:40:03,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:03,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:03,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:03,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:40:03,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:03,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:40:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:03,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:03,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:03,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:40:03,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:03,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:40:03,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:03,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:03,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:03,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:40:03,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:03,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 06:40:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:03,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:03,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:03,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 06:40:03,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:03,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 06:40:03,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:03,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:40:03,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:40:03,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 06:40:03,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:03,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 06:40:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:03,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:03,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:03,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:03,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-27 06:40:03,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:40:03,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-27 06:40:03,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:03,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:40:03,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-27 06:40:03,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:40:03,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:04,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:40:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:04,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:04,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:04,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:04,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:04,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:04,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:04,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:04,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:04,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:04,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:04,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:40:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:04,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:04,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:04,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:04,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:04,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:04,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:04,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:04,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:04,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:04,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:04,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:40:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:04,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:04,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:04,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:04,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:04,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:40:04,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:04,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:40:04,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:04,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:40:04,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:04,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:40:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:04,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:04,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:04,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:04,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:04,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:04,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:04,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:04,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:40:04,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:04,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:04,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:40:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:04,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:04,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:04,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:04,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:04,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:04,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:04,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:04,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:40:04,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:04,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:04,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:40:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:04,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:04,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:04,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:04,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:04,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:04,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:04,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:04,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:40:04,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:04,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:04,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:40:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:04,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:04,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:04,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:04,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:04,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:04,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:04,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:04,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:40:04,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:04,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:04,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:40:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:04,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:04,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:04,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:04,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:04,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:04,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:04,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:04,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:40:04,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:04,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:04,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:40:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:04,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:04,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:04,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:04,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:04,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:04,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:04,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:04,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:40:04,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:04,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:04,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:40:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:04,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:04,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:04,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:04,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:04,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:04,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:04,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:04,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:40:04,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:04,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:04,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:40:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:04,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:04,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:04,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:04,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:04,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:04,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:04,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:04,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:40:04,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:04,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:04,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:40:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:04,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:04,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:04,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:04,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:04,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:04,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:04,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:04,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:40:04,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:04,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:04,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-27 06:40:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:04,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:04,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:04,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 06:40:04,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:04,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:40:04,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:04,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:04,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-27 06:40:04,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:04,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:04,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-27 06:40:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:04,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:04,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:04,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:40:04,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:04,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:04,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:04,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:04,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:40:04,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:04,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:04,243 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 06:40:04,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1811120822] [2020-10-27 06:40:04,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:40:04,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:40:04,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421243938] [2020-10-27 06:40:04,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:40:04,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:40:04,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:40:04,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:40:04,246 INFO L87 Difference]: Start difference. First operand 2287 states and 3235 transitions. Second operand 13 states. [2020-10-27 06:40:04,635 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-27 06:40:04,795 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 06:40:05,028 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 06:40:06,819 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-27 06:40:07,251 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-10-27 06:40:07,444 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 06:40:07,863 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-27 06:40:08,027 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 06:40:08,437 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-27 06:40:12,860 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 06:40:13,480 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-27 06:40:13,909 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-27 06:40:14,186 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 06:40:14,584 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-27 06:40:14,750 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 06:40:15,152 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-27 06:40:20,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:40:20,669 INFO L93 Difference]: Finished difference Result 6459 states and 9531 transitions. [2020-10-27 06:40:20,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 06:40:20,669 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 218 [2020-10-27 06:40:20,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:40:20,692 INFO L225 Difference]: With dead ends: 6459 [2020-10-27 06:40:20,692 INFO L226 Difference]: Without dead ends: 4201 [2020-10-27 06:40:20,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=262, Invalid=860, Unknown=0, NotChecked=0, Total=1122 [2020-10-27 06:40:20,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4201 states. [2020-10-27 06:40:21,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4201 to 2839. [2020-10-27 06:40:21,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2839 states. [2020-10-27 06:40:21,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2839 states and 3887 transitions. [2020-10-27 06:40:21,308 INFO L78 Accepts]: Start accepts. Automaton has 2839 states and 3887 transitions. Word has length 218 [2020-10-27 06:40:21,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:40:21,309 INFO L481 AbstractCegarLoop]: Abstraction has 2839 states and 3887 transitions. [2020-10-27 06:40:21,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:40:21,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 3887 transitions. [2020-10-27 06:40:21,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-27 06:40:21,313 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:40:21,314 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:40:21,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 06:40:21,314 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:40:21,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:40:21,315 INFO L82 PathProgramCache]: Analyzing trace with hash -2050862214, now seen corresponding path program 1 times [2020-10-27 06:40:21,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:40:21,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1441682655] [2020-10-27 06:40:21,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:40:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:21,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:21,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:21,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:21,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:21,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:21,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:21,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:21,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:21,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:21,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:21,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:22,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:22,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:22,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:22,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:22,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:22,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:22,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:22,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:22,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:22,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:22,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:22,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:22,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:22,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:22,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:22,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:22,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:24,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:26,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:26,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-27 06:40:26,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-27 06:40:26,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 06:40:26,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:26,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:40:26,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:40:26,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-27 06:40:26,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:26,757 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-27 06:40:26,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:40:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:26,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:26,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:26,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:40:26,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:26,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 06:40:26,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:26,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:26,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:26,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:40:26,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:26,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:40:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:26,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:26,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:26,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:40:26,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:26,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:40:26,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:26,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:26,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:26,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:40:26,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:26,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:40:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:26,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:26,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:26,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:40:26,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:26,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:26,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:26,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:26,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:26,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:40:26,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:26,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:40:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:26,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:26,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:26,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:40:26,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:26,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:40:26,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:26,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:26,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:26,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:40:26,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:26,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 06:40:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:26,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:26,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:26,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 06:40:26,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:26,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:40:26,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:26,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:26,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:26,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 06:40:26,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:26,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 06:40:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:27,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:27,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:27,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:27,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-27 06:40:27,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:40:27,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-10-27 06:40:27,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:27,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:40:27,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 06:40:27,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:40:27,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:27,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:40:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:27,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:27,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:27,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:27,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:27,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:27,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:27,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:27,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:27,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:27,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:27,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:40:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:27,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:27,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:27,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:27,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:27,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:40:27,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:27,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:27,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:27,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:27,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:27,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:40:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:27,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:27,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:27,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:27,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:27,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:27,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:27,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:27,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:27,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:27,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:27,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:40:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:27,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:27,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:27,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:27,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:27,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:40:27,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:27,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:40:27,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:27,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:40:27,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:27,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:40:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:27,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:27,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:27,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:27,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:27,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:27,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:27,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:27,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:40:27,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:27,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:27,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:40:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:27,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:27,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:27,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:27,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:27,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:27,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:27,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:27,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:40:27,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:27,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:27,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:40:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:27,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:27,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:27,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:27,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:27,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:27,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:27,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:27,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:40:27,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:27,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:27,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:40:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:27,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:27,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:27,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:27,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:27,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:27,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:27,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:27,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:40:27,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:27,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:27,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:40:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:27,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:27,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:27,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:27,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:27,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:27,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:27,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:27,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:40:27,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:27,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:27,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:40:27,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:27,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:27,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:27,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:27,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:27,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:27,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:27,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:27,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:40:27,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:27,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:27,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:40:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:27,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:27,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:27,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:27,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:27,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:27,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:27,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:27,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:40:27,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:27,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:27,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:40:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:27,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:27,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:27,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:27,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:27,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:27,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:27,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:27,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:40:27,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:27,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:27,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-27 06:40:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:27,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:27,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:27,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 06:40:27,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:27,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:40:27,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:27,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:27,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-27 06:40:27,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:27,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:27,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-27 06:40:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:27,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:27,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:27,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:40:27,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:27,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:27,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:27,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:27,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:40:27,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:27,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:27,429 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 06:40:27,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1441682655] [2020-10-27 06:40:27,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:40:27,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 06:40:27,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568810164] [2020-10-27 06:40:27,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 06:40:27,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:40:27,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 06:40:27,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-27 06:40:27,431 INFO L87 Difference]: Start difference. First operand 2839 states and 3887 transitions. Second operand 11 states. [2020-10-27 06:40:27,841 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-27 06:40:27,995 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 06:40:28,218 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 06:40:29,997 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-27 06:40:30,414 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-27 06:40:30,854 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-27 06:40:31,029 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 06:40:31,430 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-27 06:40:31,590 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 06:40:34,774 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 06:40:37,752 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-27 06:40:38,157 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-27 06:40:38,372 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 06:40:38,776 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-27 06:40:38,940 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 06:40:39,338 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-27 06:40:48,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:40:48,166 INFO L93 Difference]: Finished difference Result 11146 states and 16266 transitions. [2020-10-27 06:40:48,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 06:40:48,166 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 218 [2020-10-27 06:40:48,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:40:48,208 INFO L225 Difference]: With dead ends: 11146 [2020-10-27 06:40:48,208 INFO L226 Difference]: Without dead ends: 8337 [2020-10-27 06:40:48,222 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=211, Invalid=659, Unknown=0, NotChecked=0, Total=870 [2020-10-27 06:40:48,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8337 states. [2020-10-27 06:40:49,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8337 to 5715. [2020-10-27 06:40:49,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5715 states. [2020-10-27 06:40:49,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5715 states to 5715 states and 7805 transitions. [2020-10-27 06:40:49,484 INFO L78 Accepts]: Start accepts. Automaton has 5715 states and 7805 transitions. Word has length 218 [2020-10-27 06:40:49,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:40:49,484 INFO L481 AbstractCegarLoop]: Abstraction has 5715 states and 7805 transitions. [2020-10-27 06:40:49,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 06:40:49,485 INFO L276 IsEmpty]: Start isEmpty. Operand 5715 states and 7805 transitions. [2020-10-27 06:40:49,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-27 06:40:49,488 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:40:49,488 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:40:49,488 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 06:40:49,488 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:40:49,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:40:49,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1211556025, now seen corresponding path program 1 times [2020-10-27 06:40:49,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:40:49,489 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1953139171] [2020-10-27 06:40:49,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:40:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:49,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:49,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:49,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:49,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:49,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:49,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:49,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:50,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:50,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:50,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:50,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:50,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:50,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:50,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:50,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:50,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:50,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:50,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:50,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:50,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:50,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:50,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:50,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:50,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:50,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:50,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:50,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:52,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:54,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:54,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-27 06:40:54,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-27 06:40:54,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 06:40:54,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:54,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:40:54,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:40:54,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 06:40:54,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:54,918 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-27 06:40:54,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:40:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:54,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:54,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:54,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:40:54,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:54,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 06:40:54,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:54,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:54,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:54,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:40:54,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:55,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:40:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:55,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:55,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:55,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:40:55,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:55,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:40:55,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:55,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:55,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:55,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:40:55,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:55,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:40:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:55,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:55,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:55,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:40:55,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:55,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:40:55,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:55,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:55,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:55,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:40:55,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:55,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:40:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:55,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:55,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:55,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:40:55,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:55,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:40:55,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:55,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:40:55,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:55,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:40:55,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:55,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 06:40:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:55,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:55,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:55,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 06:40:55,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:55,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 06:40:55,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:55,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:40:55,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:40:55,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 06:40:55,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:55,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 06:40:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:55,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:55,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:55,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:55,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-27 06:40:55,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:40:55,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-27 06:40:55,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:55,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:40:55,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-27 06:40:55,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:40:55,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:55,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:40:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:55,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:55,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:55,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:55,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:55,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:55,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:55,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:55,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:55,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:55,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:55,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:40:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:55,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:55,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:55,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:55,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:55,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:40:55,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:55,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:55,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:55,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:55,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:55,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:40:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:55,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:55,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:55,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:55,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:55,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:40:55,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:55,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:55,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:55,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:55,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:55,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:40:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:55,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:55,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:55,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:55,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:55,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:40:55,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:55,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:55,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:55,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:55,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:55,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:40:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:55,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:55,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:55,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:55,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:55,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:40:55,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:55,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:55,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:55,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:55,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:55,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:40:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:55,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:55,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:55,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:55,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:55,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:40:55,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:55,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:55,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:55,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:55,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:55,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:40:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:55,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:55,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:55,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:55,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:55,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:40:55,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:55,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:40:55,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:40:55,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:40:55,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:55,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:40:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:55,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:55,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:55,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:55,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:55,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:55,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:55,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:55,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:40:55,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:55,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:55,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:40:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:55,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:55,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:55,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:55,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:55,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:55,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:55,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:55,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:40:55,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:55,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:55,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:40:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:55,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:55,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:55,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:55,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:55,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:40:55,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:55,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:55,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:40:55,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:55,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:55,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:40:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:55,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:55,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:55,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:55,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:55,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:40:55,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:55,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:55,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:40:55,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:55,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:55,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:40:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:55,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:55,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:55,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:40:55,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:55,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:40:55,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:55,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:55,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:40:55,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:55,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:55,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-27 06:40:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:55,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:55,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:55,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 06:40:55,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:55,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:40:55,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:55,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:55,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-27 06:40:55,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:55,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:55,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-27 06:40:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:40:55,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:40:55,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:40:55,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:40:55,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:40:55,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:40:55,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:40:55,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:40:55,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:40:55,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:40:55,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:40:55,549 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 06:40:55,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1953139171] [2020-10-27 06:40:55,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:40:55,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 06:40:55,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528063175] [2020-10-27 06:40:55,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 06:40:55,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:40:55,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 06:40:55,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 06:40:55,552 INFO L87 Difference]: Start difference. First operand 5715 states and 7805 transitions. Second operand 13 states. [2020-10-27 06:40:55,955 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-27 06:40:56,115 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 06:40:56,347 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 06:40:58,680 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-27 06:40:59,081 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-10-27 06:40:59,496 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-27 06:40:59,666 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 06:41:00,066 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-27 06:41:00,226 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 06:41:09,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:41:09,203 INFO L93 Difference]: Finished difference Result 14103 states and 20255 transitions. [2020-10-27 06:41:09,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 06:41:09,204 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 218 [2020-10-27 06:41:09,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:41:09,256 INFO L225 Difference]: With dead ends: 14103 [2020-10-27 06:41:09,257 INFO L226 Difference]: Without dead ends: 8417 [2020-10-27 06:41:09,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-27 06:41:09,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8417 states. [2020-10-27 06:41:10,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8417 to 5775. [2020-10-27 06:41:10,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5775 states. [2020-10-27 06:41:10,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5775 states to 5775 states and 7825 transitions. [2020-10-27 06:41:10,346 INFO L78 Accepts]: Start accepts. Automaton has 5775 states and 7825 transitions. Word has length 218 [2020-10-27 06:41:10,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:41:10,346 INFO L481 AbstractCegarLoop]: Abstraction has 5775 states and 7825 transitions. [2020-10-27 06:41:10,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 06:41:10,346 INFO L276 IsEmpty]: Start isEmpty. Operand 5775 states and 7825 transitions. [2020-10-27 06:41:10,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-27 06:41:10,348 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:41:10,348 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:41:10,348 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 06:41:10,348 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:41:10,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:41:10,349 INFO L82 PathProgramCache]: Analyzing trace with hash -912550405, now seen corresponding path program 1 times [2020-10-27 06:41:10,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:41:10,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [247478530] [2020-10-27 06:41:10,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:41:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:10,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:10,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:10,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:10,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:10,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:10,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:10,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:10,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:10,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:11,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:11,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:11,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:11,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:11,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:11,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:11,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:11,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:11,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:11,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:11,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:11,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:11,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:11,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:11,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:13,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:15,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:15,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-27 06:41:15,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-27 06:41:15,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-27 06:41:15,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:15,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:41:15,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:41:15,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 06:41:15,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:15,830 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-27 06:41:15,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:41:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:15,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:15,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:15,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:41:15,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:15,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 06:41:15,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:15,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:15,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:15,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:41:15,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:15,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:41:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:15,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:15,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:15,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:41:15,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:15,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:41:15,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:15,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:15,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:15,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:41:15,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:15,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:41:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:15,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:15,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:15,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:41:15,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:15,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:41:15,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:15,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:15,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:15,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:41:15,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:15,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:41:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:15,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:15,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:15,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:41:15,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:15,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:41:15,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:15,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:15,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:15,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:41:15,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:16,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 06:41:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:16,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:16,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:16,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 06:41:16,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:16,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 06:41:16,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:16,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:41:16,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:41:16,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 06:41:16,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:16,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 06:41:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:16,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:16,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:16,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-27 06:41:16,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:16,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 06:41:16,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:16,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:16,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-27 06:41:16,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:16,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:16,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:41:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:16,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:16,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:16,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:16,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:16,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:41:16,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:16,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:16,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:41:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:16,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:16,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:16,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:16,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:16,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:41:16,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:16,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:16,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:16,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:16,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:16,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:41:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:16,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:16,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:16,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:16,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:16,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:41:16,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:16,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:16,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:16,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:16,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:16,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:41:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:16,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:16,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:16,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:16,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:16,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:41:16,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:16,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:16,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:16,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:16,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:16,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:41:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:16,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:16,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:16,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:16,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:16,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:41:16,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:16,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:16,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:16,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:16,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:16,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:41:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:16,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:16,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:16,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:16,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:16,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:41:16,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:16,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:16,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:16,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:16,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:16,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:41:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:16,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:16,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:16,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:16,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:16,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:41:16,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:16,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:16,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:16,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:16,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:16,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:41:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:16,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:16,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:16,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:16,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:16,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:41:16,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:16,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:16,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:16,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:16,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:16,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:41:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:16,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:16,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:16,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:16,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:16,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:41:16,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:16,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:16,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:16,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:16,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:16,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:41:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:16,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:16,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:16,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:16,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:16,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:41:16,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:16,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:16,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:16,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:16,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:16,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:41:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:16,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:16,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:16,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:16,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:16,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:41:16,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:16,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:16,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:16,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:16,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:16,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:41:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:16,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:16,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:16,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:16,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:16,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:41:16,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:16,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:16,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:16,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:16,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:16,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-27 06:41:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:16,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:16,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:16,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 06:41:16,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:16,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:41:16,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:16,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:16,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-27 06:41:16,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:16,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:16,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-27 06:41:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:16,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:16,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:16,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:41:16,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:16,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:41:16,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:16,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:16,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:41:16,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:16,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:16,229 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 06:41:16,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [247478530] [2020-10-27 06:41:16,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:41:16,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 06:41:16,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366656093] [2020-10-27 06:41:16,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 06:41:16,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:41:16,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 06:41:16,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-27 06:41:16,231 INFO L87 Difference]: Start difference. First operand 5775 states and 7825 transitions. Second operand 9 states. [2020-10-27 06:41:16,661 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-27 06:41:16,816 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 06:41:17,037 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 06:41:21,407 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 06:41:27,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:41:27,259 INFO L93 Difference]: Finished difference Result 15331 states and 21619 transitions. [2020-10-27 06:41:27,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 06:41:27,260 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 218 [2020-10-27 06:41:27,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:41:27,296 INFO L225 Difference]: With dead ends: 15331 [2020-10-27 06:41:27,297 INFO L226 Difference]: Without dead ends: 9585 [2020-10-27 06:41:27,317 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-10-27 06:41:27,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9585 states. [2020-10-27 06:41:28,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9585 to 6855. [2020-10-27 06:41:28,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6855 states. [2020-10-27 06:41:28,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6855 states to 6855 states and 9077 transitions. [2020-10-27 06:41:28,476 INFO L78 Accepts]: Start accepts. Automaton has 6855 states and 9077 transitions. Word has length 218 [2020-10-27 06:41:28,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:41:28,476 INFO L481 AbstractCegarLoop]: Abstraction has 6855 states and 9077 transitions. [2020-10-27 06:41:28,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 06:41:28,476 INFO L276 IsEmpty]: Start isEmpty. Operand 6855 states and 9077 transitions. [2020-10-27 06:41:28,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-27 06:41:28,478 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:41:28,478 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:41:28,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 06:41:28,479 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:41:28,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:41:28,479 INFO L82 PathProgramCache]: Analyzing trace with hash -711423142, now seen corresponding path program 1 times [2020-10-27 06:41:28,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:41:28,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [257895650] [2020-10-27 06:41:28,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:41:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:28,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:28,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:28,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:28,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:29,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:29,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:29,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:29,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:29,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:29,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:29,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:29,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:29,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:29,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:29,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:29,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:29,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:29,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:29,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:29,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:29,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:29,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:29,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:29,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:31,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:33,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:33,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:33,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-27 06:41:33,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-27 06:41:33,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 06:41:33,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:33,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:41:33,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:41:33,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-27 06:41:33,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:33,911 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-27 06:41:33,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:41:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:33,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:33,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:33,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:41:33,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:33,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 06:41:33,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:33,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:33,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:33,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:41:33,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:33,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:41:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:33,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:33,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:33,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:41:33,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:33,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:41:33,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:33,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:33,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:33,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:41:33,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:33,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:41:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:33,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:33,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:33,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:41:33,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:33,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:41:33,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:33,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:33,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:33,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:41:33,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:34,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:41:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:34,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:34,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:34,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:41:34,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:34,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:41:34,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:34,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:34,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:34,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:41:34,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:34,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 06:41:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:34,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:34,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:34,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 06:41:34,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:34,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 06:41:34,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:34,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:41:34,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 06:41:34,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 06:41:34,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:34,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 06:41:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:34,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:34,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:34,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:34,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-27 06:41:34,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:41:34,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-27 06:41:34,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:34,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 06:41:34,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-27 06:41:34,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:41:34,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:34,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:41:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:34,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:34,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:34,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:34,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:34,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:41:34,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:34,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:34,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:34,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:34,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:34,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:41:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:34,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:34,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:34,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:34,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:34,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:41:34,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:34,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:34,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:34,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:34,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:34,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:41:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:34,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:34,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:34,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:34,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:34,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:41:34,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:34,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:34,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:34,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:34,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:34,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:41:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:34,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:34,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:34,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:34,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:34,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:41:34,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:34,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:34,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:34,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:34,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:34,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:41:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:34,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:34,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:34,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:34,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:34,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:41:34,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:34,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:34,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:41:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:34,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:34,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:34,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:34,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:34,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:41:34,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:34,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:41:34,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:34,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:41:34,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:34,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:41:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:34,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:34,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:34,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:34,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:34,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:41:34,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:34,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:34,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:41:34,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:34,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:34,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:41:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:34,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:34,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:34,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:34,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:34,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:41:34,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:34,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:34,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:41:34,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:34,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:34,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:41:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:34,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:34,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:34,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:34,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:34,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:41:34,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:34,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:34,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:41:34,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:34,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:34,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:41:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:34,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:34,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:34,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:34,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:34,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:41:34,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:34,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:34,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:41:34,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:34,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:34,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:41:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:34,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:34,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:34,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:34,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:34,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:41:34,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:34,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:34,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:41:34,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:34,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:34,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:41:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:34,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:34,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:34,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:34,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:34,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:41:34,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:34,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:34,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 06:41:34,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:34,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:34,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-27 06:41:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:34,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:34,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:34,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 06:41:34,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:34,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 06:41:34,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:34,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:34,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-27 06:41:34,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:34,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:34,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-27 06:41:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:34,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:34,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:34,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:41:34,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:34,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:41:34,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:34,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:34,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:41:34,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:34,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:34,465 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 06:41:34,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [257895650] [2020-10-27 06:41:34,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:41:34,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 06:41:34,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445842274] [2020-10-27 06:41:34,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 06:41:34,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:41:34,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 06:41:34,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-27 06:41:34,468 INFO L87 Difference]: Start difference. First operand 6855 states and 9077 transitions. Second operand 14 states. [2020-10-27 06:41:35,005 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-27 06:41:35,161 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 06:41:35,392 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 06:41:37,601 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-27 06:41:38,025 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-27 06:41:38,197 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 06:41:38,606 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-27 06:41:38,760 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 06:41:39,157 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-27 06:41:48,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:41:48,603 INFO L93 Difference]: Finished difference Result 16659 states and 23163 transitions. [2020-10-27 06:41:48,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 06:41:48,603 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-10-27 06:41:48,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:41:48,638 INFO L225 Difference]: With dead ends: 16659 [2020-10-27 06:41:48,638 INFO L226 Difference]: Without dead ends: 9833 [2020-10-27 06:41:48,658 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2020-10-27 06:41:48,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9833 states. [2020-10-27 06:41:49,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9833 to 6895. [2020-10-27 06:41:49,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6895 states. [2020-10-27 06:41:49,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6895 states to 6895 states and 9065 transitions. [2020-10-27 06:41:49,957 INFO L78 Accepts]: Start accepts. Automaton has 6895 states and 9065 transitions. Word has length 218 [2020-10-27 06:41:49,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:41:49,957 INFO L481 AbstractCegarLoop]: Abstraction has 6895 states and 9065 transitions. [2020-10-27 06:41:49,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 06:41:49,957 INFO L276 IsEmpty]: Start isEmpty. Operand 6895 states and 9065 transitions. [2020-10-27 06:41:49,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-27 06:41:49,958 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:41:49,959 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:41:49,959 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 06:41:49,959 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:41:49,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:41:49,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1082544216, now seen corresponding path program 1 times [2020-10-27 06:41:49,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:41:49,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [212923039] [2020-10-27 06:41:49,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:41:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:50,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:50,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:50,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:50,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:50,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:50,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:50,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:50,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:50,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:50,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:50,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:50,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:50,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:50,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:50,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:50,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:50,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:50,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:50,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:50,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:51,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:51,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:55,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:55,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-27 06:41:55,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-27 06:41:55,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 06:41:55,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:55,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 06:41:55,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:41:55,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 06:41:55,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:55,383 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-27 06:41:55,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:41:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:55,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:55,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:55,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:41:55,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:55,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 06:41:55,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:55,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:55,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:55,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 06:41:55,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:55,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 06:41:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:55,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:55,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:55,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:41:55,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:55,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 06:41:55,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:55,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:55,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:55,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 06:41:55,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:55,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:41:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:55,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:55,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:55,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:41:55,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:55,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:41:55,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:55,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:55,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:55,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:41:55,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:55,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:41:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:55,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:55,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:55,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 06:41:55,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:55,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:41:55,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:55,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:55,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:55,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 06:41:55,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:55,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 06:41:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:55,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:55,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:55,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 06:41:55,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:55,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 06:41:55,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:55,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:55,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:55,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 06:41:55,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:55,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-27 06:41:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:55,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:55,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:55,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-27 06:41:55,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:55,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 06:41:55,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:55,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:55,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:41:55,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 06:41:55,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:55,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:41:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:55,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:55,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:55,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:55,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:55,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:41:55,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:55,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:55,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:55,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:41:55,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:55,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 06:41:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:55,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:55,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:55,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:55,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:55,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:41:55,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:55,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:55,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:55,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:41:55,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:55,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 06:41:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:55,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:55,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:55,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:55,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:55,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:41:55,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:55,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:55,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:55,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:41:55,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:55,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 06:41:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:55,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:55,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:55,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:55,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:55,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:41:55,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:55,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:55,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:55,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:41:55,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:55,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 06:41:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:55,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:55,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:55,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:55,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:55,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:41:55,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:55,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:55,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:55,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:41:55,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:55,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 06:41:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:55,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:55,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:55,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:55,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:55,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:41:55,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:55,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:55,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:55,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:41:55,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:55,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 06:41:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:55,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:55,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:55,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:55,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:55,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:41:55,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:55,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:55,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:55,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:41:55,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:55,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 06:41:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:55,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:55,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:55,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:55,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:55,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:41:55,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:55,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:55,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:55,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:41:55,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:55,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 06:41:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:55,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:55,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:55,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:55,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:55,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:41:55,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:55,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:55,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:55,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:41:55,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:55,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 06:41:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:55,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:55,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:55,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:55,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:55,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:41:55,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:55,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:55,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:55,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:41:55,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:55,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 06:41:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:55,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:55,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:55,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:55,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:55,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:41:55,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:55,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:55,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:55,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:41:55,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:55,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 06:41:55,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:55,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:55,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:55,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 06:41:55,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:55,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:41:55,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:55,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:41:55,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:41:55,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 06:41:55,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:55,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-27 06:41:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:55,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:55,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:55,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 06:41:55,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:55,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 06:41:55,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:55,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:55,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-27 06:41:55,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:55,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:55,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-27 06:41:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:41:55,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:41:55,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:41:55,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 06:41:55,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:41:55,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:41:55,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:41:55,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:41:55,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 06:41:55,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:41:55,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:41:55,783 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 06:41:55,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [212923039] [2020-10-27 06:41:55,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:41:55,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 06:41:55,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676896068] [2020-10-27 06:41:55,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 06:41:55,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:41:55,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 06:41:55,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-27 06:41:55,785 INFO L87 Difference]: Start difference. First operand 6895 states and 9065 transitions. Second operand 8 states. [2020-10-27 06:41:56,181 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-27 06:41:56,331 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 06:41:56,540 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 06:42:02,188 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-27 06:42:02,473 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 112