/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 23:19:18,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 23:19:18,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 23:19:18,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 23:19:18,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 23:19:18,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 23:19:18,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 23:19:18,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 23:19:18,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 23:19:18,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 23:19:18,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 23:19:18,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 23:19:18,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 23:19:18,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 23:19:18,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 23:19:18,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 23:19:18,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 23:19:18,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 23:19:18,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 23:19:18,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 23:19:18,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 23:19:18,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 23:19:18,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 23:19:18,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 23:19:18,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 23:19:18,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 23:19:18,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 23:19:18,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 23:19:18,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 23:19:18,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 23:19:18,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 23:19:18,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 23:19:18,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 23:19:18,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 23:19:18,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 23:19:18,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 23:19:18,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 23:19:18,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 23:19:18,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 23:19:18,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 23:19:18,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 23:19:18,506 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 23:19:18,564 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 23:19:18,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 23:19:18,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 23:19:18,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 23:19:18,567 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 23:19:18,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 23:19:18,568 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 23:19:18,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 23:19:18,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 23:19:18,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 23:19:18,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 23:19:18,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 23:19:18,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 23:19:18,571 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 23:19:18,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 23:19:18,572 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 23:19:18,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 23:19:18,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 23:19:18,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 23:19:18,573 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 23:19:18,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 23:19:18,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 23:19:18,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 23:19:18,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 23:19:18,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 23:19:18,574 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 23:19:18,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 23:19:18,574 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 23:19:18,575 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 23:19:18,575 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 23:19:19,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 23:19:19,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 23:19:19,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 23:19:19,065 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 23:19:19,066 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 23:19:19,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c [2020-10-27 23:19:19,154 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fe9c5e2a6/2002acaaaefb4570a360ee410ef36680/FLAGc32642b6f [2020-10-27 23:19:19,753 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 23:19:19,757 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c [2020-10-27 23:19:19,769 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fe9c5e2a6/2002acaaaefb4570a360ee410ef36680/FLAGc32642b6f [2020-10-27 23:19:20,068 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fe9c5e2a6/2002acaaaefb4570a360ee410ef36680 [2020-10-27 23:19:20,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 23:19:20,077 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 23:19:20,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 23:19:20,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 23:19:20,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 23:19:20,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 11:19:20" (1/1) ... [2020-10-27 23:19:20,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b4e3c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:20, skipping insertion in model container [2020-10-27 23:19:20,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 11:19:20" (1/1) ... [2020-10-27 23:19:20,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 23:19:20,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 23:19:20,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 23:19:20,444 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 23:19:20,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 23:19:20,572 INFO L208 MainTranslator]: Completed translation [2020-10-27 23:19:20,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:20 WrapperNode [2020-10-27 23:19:20,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 23:19:20,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 23:19:20,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 23:19:20,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 23:19:20,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:20" (1/1) ... [2020-10-27 23:19:20,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:20" (1/1) ... [2020-10-27 23:19:20,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:20" (1/1) ... [2020-10-27 23:19:20,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:20" (1/1) ... [2020-10-27 23:19:20,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:20" (1/1) ... [2020-10-27 23:19:20,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:20" (1/1) ... [2020-10-27 23:19:20,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:20" (1/1) ... [2020-10-27 23:19:20,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 23:19:20,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 23:19:20,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 23:19:20,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 23:19:20,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:20" (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 23:19:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 23:19:20,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 23:19:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 23:19:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 23:19:20,747 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2020-10-27 23:19:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2020-10-27 23:19:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2020-10-27 23:19:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_int8 [2020-10-27 23:19:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2020-10-27 23:19:20,748 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-27 23:19:20,749 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-27 23:19:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure gate1_each_pals_period [2020-10-27 23:19:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure gate2_each_pals_period [2020-10-27 23:19:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure gate3_each_pals_period [2020-10-27 23:19:20,750 INFO L138 BoogieDeclarations]: Found implementation of procedure voter [2020-10-27 23:19:20,751 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 23:19:20,751 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-27 23:19:20,751 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 23:19:20,751 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 23:19:20,751 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 23:19:20,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 23:19:20,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-27 23:19:20,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-27 23:19:20,752 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-27 23:19:20,752 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-27 23:19:20,752 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 23:19:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-27 23:19:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2020-10-27 23:19:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2020-10-27 23:19:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2020-10-27 23:19:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_int8 [2020-10-27 23:19:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2020-10-27 23:19:20,756 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-27 23:19:20,757 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-27 23:19:20,757 INFO L130 BoogieDeclarations]: Found specification of procedure gate1_each_pals_period [2020-10-27 23:19:20,757 INFO L130 BoogieDeclarations]: Found specification of procedure gate2_each_pals_period [2020-10-27 23:19:20,757 INFO L130 BoogieDeclarations]: Found specification of procedure gate3_each_pals_period [2020-10-27 23:19:20,757 INFO L130 BoogieDeclarations]: Found specification of procedure voter [2020-10-27 23:19:20,757 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 23:19:20,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 23:19:20,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 23:19:20,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 23:19:20,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 23:19:20,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 23:19:20,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 23:19:21,763 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 23:19:21,764 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-27 23:19:21,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 11:19:21 BoogieIcfgContainer [2020-10-27 23:19:21,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 23:19:21,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 23:19:21,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 23:19:21,773 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 23:19:21,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 11:19:20" (1/3) ... [2020-10-27 23:19:21,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bbf053b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 11:19:21, skipping insertion in model container [2020-10-27 23:19:21,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:20" (2/3) ... [2020-10-27 23:19:21,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bbf053b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 11:19:21, skipping insertion in model container [2020-10-27 23:19:21,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 11:19:21" (3/3) ... [2020-10-27 23:19:21,778 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c [2020-10-27 23:19:21,792 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 23:19:21,797 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 23:19:21,811 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 23:19:21,841 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 23:19:21,842 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 23:19:21,842 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 23:19:21,842 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 23:19:21,842 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 23:19:21,842 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 23:19:21,842 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 23:19:21,843 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 23:19:21,874 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states. [2020-10-27 23:19:21,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-27 23:19:21,889 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:21,891 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] [2020-10-27 23:19:21,891 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:21,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:21,910 INFO L82 PathProgramCache]: Analyzing trace with hash 178488915, now seen corresponding path program 1 times [2020-10-27 23:19:21,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:21,921 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1144595746] [2020-10-27 23:19:21,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:22,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:22,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:22,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 23:19:22,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:22,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 383 [2020-10-27 23:19:22,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:22,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:22,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 23:19:22,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 23:19:22,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 23:19:22,762 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:22,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:22,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:22,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:22,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:22,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:22,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 23:19:22,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:22,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:22,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:22,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:22,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:22,859 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 23:19:22,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1144595746] [2020-10-27 23:19:22,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:22,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 23:19:22,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89339047] [2020-10-27 23:19:22,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 23:19:22,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:22,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 23:19:22,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 23:19:22,894 INFO L87 Difference]: Start difference. First operand 218 states. Second operand 5 states. [2020-10-27 23:19:23,169 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:23,353 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 23:19:23,554 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 23:19:24,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:24,852 INFO L93 Difference]: Finished difference Result 431 states and 708 transitions. [2020-10-27 23:19:24,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 23:19:24,855 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-27 23:19:24,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:24,886 INFO L225 Difference]: With dead ends: 431 [2020-10-27 23:19:24,887 INFO L226 Difference]: Without dead ends: 222 [2020-10-27 23:19:24,901 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-27 23:19:24,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2020-10-27 23:19:24,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 216. [2020-10-27 23:19:25,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-10-27 23:19:25,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 322 transitions. [2020-10-27 23:19:25,006 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 322 transitions. Word has length 22 [2020-10-27 23:19:25,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:25,007 INFO L481 AbstractCegarLoop]: Abstraction has 216 states and 322 transitions. [2020-10-27 23:19:25,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 23:19:25,008 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 322 transitions. [2020-10-27 23:19:25,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-27 23:19:25,010 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:25,010 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] [2020-10-27 23:19:25,011 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 23:19:25,011 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:25,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:25,012 INFO L82 PathProgramCache]: Analyzing trace with hash 246642938, now seen corresponding path program 1 times [2020-10-27 23:19:25,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:25,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2037940331] [2020-10-27 23:19:25,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:25,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:25,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:25,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:25,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:25,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 23:19:25,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:19:25,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 638 [2020-10-27 23:19:25,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:25,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:25,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 23:19:25,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 23:19:25,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:19:25,884 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:25,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:25,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:25,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:25,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:25,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:25,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 23:19:25,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:25,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:25,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:25,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:25,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:25,916 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 23:19:25,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2037940331] [2020-10-27 23:19:25,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:25,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 23:19:25,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088645082] [2020-10-27 23:19:25,919 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 23:19:25,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:25,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 23:19:25,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 23:19:25,921 INFO L87 Difference]: Start difference. First operand 216 states and 322 transitions. Second operand 5 states. [2020-10-27 23:19:26,168 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:26,318 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 23:19:27,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:27,580 INFO L93 Difference]: Finished difference Result 425 states and 652 transitions. [2020-10-27 23:19:27,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 23:19:27,581 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-27 23:19:27,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:27,586 INFO L225 Difference]: With dead ends: 425 [2020-10-27 23:19:27,586 INFO L226 Difference]: Without dead ends: 218 [2020-10-27 23:19:27,588 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-27 23:19:27,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-10-27 23:19:27,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 214. [2020-10-27 23:19:27,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-10-27 23:19:27,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 318 transitions. [2020-10-27 23:19:27,631 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 318 transitions. Word has length 23 [2020-10-27 23:19:27,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:27,631 INFO L481 AbstractCegarLoop]: Abstraction has 214 states and 318 transitions. [2020-10-27 23:19:27,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 23:19:27,632 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 318 transitions. [2020-10-27 23:19:27,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-27 23:19:27,633 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:27,634 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] [2020-10-27 23:19:27,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 23:19:27,634 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:27,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:27,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1595290903, now seen corresponding path program 1 times [2020-10-27 23:19:27,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:27,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2124336435] [2020-10-27 23:19:27,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:27,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:27,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:27,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:28,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:28,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 23:19:28,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:19:28,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 558 [2020-10-27 23:19:28,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:28,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:28,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-27 23:19:28,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:19:28,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:19:28,401 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:28,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:28,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:28,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:28,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:28,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:28,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 23:19:28,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:28,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:28,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:28,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:28,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:19:28,434 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 23:19:28,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2124336435] [2020-10-27 23:19:28,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:28,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 23:19:28,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178467024] [2020-10-27 23:19:28,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 23:19:28,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:28,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 23:19:28,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 23:19:28,437 INFO L87 Difference]: Start difference. First operand 214 states and 318 transitions. Second operand 5 states. [2020-10-27 23:19:28,640 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:28,820 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 23:19:29,040 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:30,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:30,198 INFO L93 Difference]: Finished difference Result 432 states and 654 transitions. [2020-10-27 23:19:30,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 23:19:30,199 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-27 23:19:30,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:30,203 INFO L225 Difference]: With dead ends: 432 [2020-10-27 23:19:30,203 INFO L226 Difference]: Without dead ends: 227 [2020-10-27 23:19:30,205 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-27 23:19:30,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-27 23:19:30,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 221. [2020-10-27 23:19:30,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-10-27 23:19:30,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 326 transitions. [2020-10-27 23:19:30,249 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 326 transitions. Word has length 23 [2020-10-27 23:19:30,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:30,249 INFO L481 AbstractCegarLoop]: Abstraction has 221 states and 326 transitions. [2020-10-27 23:19:30,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 23:19:30,249 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 326 transitions. [2020-10-27 23:19:30,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-27 23:19:30,251 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:30,251 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] [2020-10-27 23:19:30,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 23:19:30,251 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:30,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:30,252 INFO L82 PathProgramCache]: Analyzing trace with hash -133610470, now seen corresponding path program 1 times [2020-10-27 23:19:30,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:30,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2049660180] [2020-10-27 23:19:30,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:30,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:30,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:30,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:30,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:30,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 23:19:30,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:19:30,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 379 [2020-10-27 23:19:30,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:30,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:30,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 23:19:30,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:19:30,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:30,815 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:30,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:30,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:30,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:30,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:30,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:30,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:19:30,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:30,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:30,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:30,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:30,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:30,846 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 23:19:30,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2049660180] [2020-10-27 23:19:30,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:30,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 23:19:30,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596643316] [2020-10-27 23:19:30,848 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 23:19:30,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:30,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 23:19:30,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 23:19:30,850 INFO L87 Difference]: Start difference. First operand 221 states and 326 transitions. Second operand 5 states. [2020-10-27 23:19:31,166 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:19:32,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:32,347 INFO L93 Difference]: Finished difference Result 431 states and 645 transitions. [2020-10-27 23:19:32,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 23:19:32,347 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-27 23:19:32,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:32,352 INFO L225 Difference]: With dead ends: 431 [2020-10-27 23:19:32,352 INFO L226 Difference]: Without dead ends: 219 [2020-10-27 23:19:32,355 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-27 23:19:32,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-10-27 23:19:32,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 215. [2020-10-27 23:19:32,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-10-27 23:19:32,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 312 transitions. [2020-10-27 23:19:32,412 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 312 transitions. Word has length 24 [2020-10-27 23:19:32,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:32,413 INFO L481 AbstractCegarLoop]: Abstraction has 215 states and 312 transitions. [2020-10-27 23:19:32,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 23:19:32,413 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 312 transitions. [2020-10-27 23:19:32,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-27 23:19:32,420 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:32,421 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] [2020-10-27 23:19:32,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 23:19:32,421 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:32,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:32,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1245734920, now seen corresponding path program 1 times [2020-10-27 23:19:32,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:32,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [636042313] [2020-10-27 23:19:32,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:32,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:32,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:32,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:32,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:36,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:36,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 23:19:36,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:19:36,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4518 [2020-10-27 23:19:36,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:36,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:36,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-27 23:19:36,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 23:19:36,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:37,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:37,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:37,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:37,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:37,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:37,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:19:37,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:37,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:37,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:37,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:37,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:37,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:19:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:37,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:37,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:37,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:37,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:37,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:19:37,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:19:37,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 23:19:37,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:37,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:19:37,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:19:37,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:19:37,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:37,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:37,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:37,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:37,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:37,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:37,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:19:37,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:19:37,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:37,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:19:37,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:19:37,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 23:19:37,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:37,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 23:19:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:37,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:37,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:37,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:37,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:37,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:19:37,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:37,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:37,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:37,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:37,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:37,231 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 23:19:37,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [636042313] [2020-10-27 23:19:37,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:37,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 23:19:37,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133966405] [2020-10-27 23:19:37,233 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 23:19:37,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:37,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 23:19:37,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 23:19:37,234 INFO L87 Difference]: Start difference. First operand 215 states and 312 transitions. Second operand 8 states. [2020-10-27 23:19:37,384 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:19:37,985 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:38,128 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 23:19:39,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:39,299 INFO L93 Difference]: Finished difference Result 451 states and 668 transitions. [2020-10-27 23:19:39,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 23:19:39,299 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 38 [2020-10-27 23:19:39,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:39,305 INFO L225 Difference]: With dead ends: 451 [2020-10-27 23:19:39,305 INFO L226 Difference]: Without dead ends: 245 [2020-10-27 23:19:39,308 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-10-27 23:19:39,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2020-10-27 23:19:39,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 220. [2020-10-27 23:19:39,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-10-27 23:19:39,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 316 transitions. [2020-10-27 23:19:39,351 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 316 transitions. Word has length 38 [2020-10-27 23:19:39,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:39,351 INFO L481 AbstractCegarLoop]: Abstraction has 220 states and 316 transitions. [2020-10-27 23:19:39,352 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 23:19:39,352 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 316 transitions. [2020-10-27 23:19:39,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-27 23:19:39,354 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:39,354 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:19:39,354 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 23:19:39,354 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:39,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:39,355 INFO L82 PathProgramCache]: Analyzing trace with hash 571298201, now seen corresponding path program 1 times [2020-10-27 23:19:39,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:39,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [807271729] [2020-10-27 23:19:39,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:39,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:39,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:39,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:39,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:40,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:44,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:44,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 23:19:44,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 23:19:44,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 23:19:44,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:44,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:44,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-27 23:19:44,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:19:44,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:44,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:44,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:44,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:44,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:44,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:44,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:19:44,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:44,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:44,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:44,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:44,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:44,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:19:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:44,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:44,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:44,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:44,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:44,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:44,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 23:19:44,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:19:44,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-27 23:19:44,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:44,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:19:44,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 23:19:44,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:19:44,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:44,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:44,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:44,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:44,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:44,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:44,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:19:44,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:19:44,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 23:19:44,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:44,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:44,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:19:44,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 23:19:44,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:44,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 23:19:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:44,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:44,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:44,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:44,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:44,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:19:44,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:44,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:44,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:44,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:44,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:44,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 23:19:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:44,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:44,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:44,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:19:44,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:44,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:19:44,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:44,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:44,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:44,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:44,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:44,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:44,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:44,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:44,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:44,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:44,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:19:44,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:44,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:44,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:44,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:44,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:19:44,818 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:19:44,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [807271729] [2020-10-27 23:19:44,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:19:44,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 23:19:44,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993374639] [2020-10-27 23:19:44,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:19:44,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:44,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:19:44,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:19:44,822 INFO L87 Difference]: Start difference. First operand 220 states and 316 transitions. Second operand 11 states. [2020-10-27 23:19:44,993 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:19:45,117 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 23:19:45,657 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:45,936 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:19:46,084 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:19:47,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:47,442 INFO L93 Difference]: Finished difference Result 461 states and 667 transitions. [2020-10-27 23:19:47,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:19:47,443 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 56 [2020-10-27 23:19:47,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:47,446 INFO L225 Difference]: With dead ends: 461 [2020-10-27 23:19:47,446 INFO L226 Difference]: Without dead ends: 250 [2020-10-27 23:19:47,448 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2020-10-27 23:19:47,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2020-10-27 23:19:47,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 233. [2020-10-27 23:19:47,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-27 23:19:47,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 328 transitions. [2020-10-27 23:19:47,500 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 328 transitions. Word has length 56 [2020-10-27 23:19:47,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:47,502 INFO L481 AbstractCegarLoop]: Abstraction has 233 states and 328 transitions. [2020-10-27 23:19:47,502 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:19:47,502 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 328 transitions. [2020-10-27 23:19:47,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-27 23:19:47,504 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:47,505 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:19:47,505 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 23:19:47,505 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:47,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:47,506 INFO L82 PathProgramCache]: Analyzing trace with hash 512685939, now seen corresponding path program 1 times [2020-10-27 23:19:47,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:47,507 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1325409592] [2020-10-27 23:19:47,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:47,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:47,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:48,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:48,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-27 23:19:48,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:19:48,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 839 [2020-10-27 23:19:48,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:48,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:48,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-27 23:19:48,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:19:48,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:48,572 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:48,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:48,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:48,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:48,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:48,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:48,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:19:48,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:48,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:48,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:48,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:48,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:48,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:19:48,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:48,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:48,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:48,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:19:48,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:48,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:19:48,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:48,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:48,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:48,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:48,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:48,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:48,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:48,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:48,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:19:48,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:48,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 23:19:48,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:48,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:48,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:48,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:48,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:48,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:19:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:48,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:48,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:48,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:48,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:48,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:19:48,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:48,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:48,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:48,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:48,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:48,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:19:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:48,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:48,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:48,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:48,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:48,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:19:48,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:48,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:48,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:48,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:48,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:48,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:19:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:48,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:48,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:48,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:19:48,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:48,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:19:48,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:48,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:48,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:48,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:48,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:48,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:48,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:48,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:48,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:48,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:48,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:19:48,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:48,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:48,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:48,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:48,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:48,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 23:19:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:48,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:48,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:48,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:19:48,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:48,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:19:48,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:48,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:48,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:48,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:48,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:48,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:48,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:48,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:48,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:48,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:48,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:19:48,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:48,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:48,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:48,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:48,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:48,808 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 23:19:48,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1325409592] [2020-10-27 23:19:48,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:19:48,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 23:19:48,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557599445] [2020-10-27 23:19:48,811 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 23:19:48,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:48,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 23:19:48,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-27 23:19:48,813 INFO L87 Difference]: Start difference. First operand 233 states and 328 transitions. Second operand 8 states. [2020-10-27 23:19:49,420 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:49,542 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 23:19:50,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:50,457 INFO L93 Difference]: Finished difference Result 411 states and 581 transitions. [2020-10-27 23:19:50,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 23:19:50,457 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 71 [2020-10-27 23:19:50,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:50,460 INFO L225 Difference]: With dead ends: 411 [2020-10-27 23:19:50,460 INFO L226 Difference]: Without dead ends: 234 [2020-10-27 23:19:50,461 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-27 23:19:50,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-10-27 23:19:50,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 232. [2020-10-27 23:19:50,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-10-27 23:19:50,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 323 transitions. [2020-10-27 23:19:50,491 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 323 transitions. Word has length 71 [2020-10-27 23:19:50,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:50,491 INFO L481 AbstractCegarLoop]: Abstraction has 232 states and 323 transitions. [2020-10-27 23:19:50,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 23:19:50,492 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 323 transitions. [2020-10-27 23:19:50,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-27 23:19:50,493 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:50,493 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:19:50,493 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 23:19:50,494 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:50,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:50,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1646145339, now seen corresponding path program 1 times [2020-10-27 23:19:50,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:50,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [628608345] [2020-10-27 23:19:50,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:50,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:50,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:51,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:51,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-27 23:19:51,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:19:51,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 691 [2020-10-27 23:19:51,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:51,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:51,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-27 23:19:51,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 23:19:51,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:51,378 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:51,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:51,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:51,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:51,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:51,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:51,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:19:51,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:51,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:51,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:51,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:51,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:51,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:19:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:51,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:51,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:51,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:19:51,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:51,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:19:51,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:51,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:51,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:51,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:51,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:51,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:51,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:51,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:51,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:19:51,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:51,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:19:51,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:51,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:51,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:51,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:51,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:51,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:19:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:51,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:51,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:51,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:51,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:51,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:19:51,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:51,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:51,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:51,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:51,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:51,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:19:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:51,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:51,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:51,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:51,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:51,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:19:51,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:51,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:51,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:51,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:51,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:51,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:19:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:51,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:51,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:51,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:19:51,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:51,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:19:51,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:51,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:51,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:51,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:51,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:51,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:51,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:51,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:51,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:51,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:51,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:19:51,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:51,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:51,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:51,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:51,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:51,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 23:19:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:51,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:51,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:51,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:19:51,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:51,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:19:51,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:51,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:51,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:51,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:51,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:51,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:51,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:51,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:51,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:51,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:51,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:19:51,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:51,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:51,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:51,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:51,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:51,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 23:19:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:51,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:51,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:51,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:19:51,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:51,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:19:51,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:51,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:51,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:51,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:51,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:51,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:51,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:51,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:51,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:19:51,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:51,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:19:51,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:51,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:51,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:51,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:51,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:51,674 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-27 23:19:51,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [628608345] [2020-10-27 23:19:51,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:51,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 23:19:51,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114594638] [2020-10-27 23:19:51,675 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 23:19:51,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:51,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 23:19:51,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-27 23:19:51,677 INFO L87 Difference]: Start difference. First operand 232 states and 323 transitions. Second operand 9 states. [2020-10-27 23:19:52,495 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:52,636 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 23:19:53,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:53,473 INFO L93 Difference]: Finished difference Result 407 states and 569 transitions. [2020-10-27 23:19:53,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 23:19:53,474 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2020-10-27 23:19:53,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:53,479 INFO L225 Difference]: With dead ends: 407 [2020-10-27 23:19:53,480 INFO L226 Difference]: Without dead ends: 231 [2020-10-27 23:19:53,481 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2020-10-27 23:19:53,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-10-27 23:19:53,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2020-10-27 23:19:53,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-10-27 23:19:53,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 320 transitions. [2020-10-27 23:19:53,530 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 320 transitions. Word has length 85 [2020-10-27 23:19:53,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:53,531 INFO L481 AbstractCegarLoop]: Abstraction has 231 states and 320 transitions. [2020-10-27 23:19:53,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 23:19:53,531 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 320 transitions. [2020-10-27 23:19:53,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-27 23:19:53,532 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:53,533 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:19:53,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 23:19:53,533 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:53,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:53,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1648497916, now seen corresponding path program 1 times [2020-10-27 23:19:53,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:53,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1317917109] [2020-10-27 23:19:53,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:53,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:53,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:53,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:54,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:54,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:57,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:57,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 23:19:57,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 23:19:57,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3481 [2020-10-27 23:19:57,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:57,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:57,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-27 23:19:57,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 23:19:57,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:57,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:57,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:57,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:57,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:57,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:57,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:19:57,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:57,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:57,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:57,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:57,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:57,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:19:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:57,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:57,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:57,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:19:57,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:57,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:19:57,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:57,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:57,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:57,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:57,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:57,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:57,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:57,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:57,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:19:57,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:57,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:19:57,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:57,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:57,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:57,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:57,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:57,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:19:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:57,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:57,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:57,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:57,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:57,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:19:57,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:57,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:57,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:57,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:57,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:57,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:19:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:57,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:57,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:57,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:57,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:57,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:19:57,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:57,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:57,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:57,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:57,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:57,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:19:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:57,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:57,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:57,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:19:57,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:57,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:19:57,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:57,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:57,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:57,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:57,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:57,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:57,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:57,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:57,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:57,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:57,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:19:57,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:57,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:57,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:57,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:57,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:57,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 23:19:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:57,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:57,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:57,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:19:57,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:57,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:19:57,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:57,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:57,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:57,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:57,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:57,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:57,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:57,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:57,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:57,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:57,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:19:57,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:57,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:57,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:57,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:57,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:57,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 23:19:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:57,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:57,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:57,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:19:57,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:57,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:19:57,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:57,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:57,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:57,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:57,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:57,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:57,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:57,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:57,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:19:57,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:57,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:19:57,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:57,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:57,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:57,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:57,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:57,444 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-27 23:19:57,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1317917109] [2020-10-27 23:19:57,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:57,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 23:19:57,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650252872] [2020-10-27 23:19:57,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 23:19:57,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:57,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 23:19:57,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-27 23:19:57,446 INFO L87 Difference]: Start difference. First operand 231 states and 320 transitions. Second operand 9 states. [2020-10-27 23:19:57,585 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:19:58,530 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:19:58,689 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:20:01,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:01,424 INFO L93 Difference]: Finished difference Result 737 states and 1023 transitions. [2020-10-27 23:20:01,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 23:20:01,425 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 85 [2020-10-27 23:20:01,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:01,430 INFO L225 Difference]: With dead ends: 737 [2020-10-27 23:20:01,430 INFO L226 Difference]: Without dead ends: 562 [2020-10-27 23:20:01,432 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=191, Invalid=409, Unknown=0, NotChecked=0, Total=600 [2020-10-27 23:20:01,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2020-10-27 23:20:01,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 552. [2020-10-27 23:20:01,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2020-10-27 23:20:01,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 758 transitions. [2020-10-27 23:20:01,494 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 758 transitions. Word has length 85 [2020-10-27 23:20:01,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:01,495 INFO L481 AbstractCegarLoop]: Abstraction has 552 states and 758 transitions. [2020-10-27 23:20:01,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 23:20:01,495 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 758 transitions. [2020-10-27 23:20:01,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-27 23:20:01,497 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:01,498 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:20:01,498 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 23:20:01,498 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:01,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:01,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1106284395, now seen corresponding path program 1 times [2020-10-27 23:20:01,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:01,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [250957191] [2020-10-27 23:20:01,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:01,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:01,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:01,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:01,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:03,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:03,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:06,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:06,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-27 23:20:06,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 23:20:06,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 23:20:06,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:06,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:06,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-10-27 23:20:06,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:20:06,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:06,663 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:20:06,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:06,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:06,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:06,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:06,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:06,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:06,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:20:06,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:06,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:06,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:06,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:06,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:06,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:06,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:06,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:06,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:06,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:06,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:06,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:06,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:06,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:06,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:06,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:06,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:06,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:06,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:06,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:06,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:06,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:06,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:06,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:06,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:06,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:06,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:06,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:06,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:06,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:06,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:06,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:06,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:06,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:06,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:06,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:06,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:06,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:06,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:20:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:06,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:06,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:06,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:06,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:06,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:06,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:06,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:06,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:06,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:06,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:06,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:20:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:06,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:06,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:06,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:20:06,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:06,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:20:06,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:06,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:06,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:06,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:06,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:06,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:06,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:06,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:06,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:06,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:06,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:06,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:06,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:06,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:06,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:06,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:06,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:06,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 23:20:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:06,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:06,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:06,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:20:06,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:06,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:20:06,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:06,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:06,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:06,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:06,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:06,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:06,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:06,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:06,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:06,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:06,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:06,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:06,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:06,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:06,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:06,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:06,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 23:20:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:06,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:06,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:06,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:06,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:06,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:20:06,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:06,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:06,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:06,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:06,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:06,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:06,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:06,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:06,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:06,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:06,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:06,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:06,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:06,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:06,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:06,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:06,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:20:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:06,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:06,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:06,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:20:06,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:06,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:06,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:06,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:06,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:06,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:06,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:06,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:06,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:06,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:06,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:06,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:06,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:06,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:06,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:06,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:06,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:06,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:06,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 23:20:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:06,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:06,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 23:20:07,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:20:07,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-27 23:20:07,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:07,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 23:20:07,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:20:07,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:20:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:07,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:07,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:07,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 23:20:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:07,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:20:07,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:20:07,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:07,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:20:07,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:20:07,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 23:20:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:07,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:07,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:07,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:20:07,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:20:07,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 23:20:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:07,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:07,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 23:20:07,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,155 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-27 23:20:07,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [250957191] [2020-10-27 23:20:07,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:20:07,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 23:20:07,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821708710] [2020-10-27 23:20:07,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 23:20:07,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:20:07,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 23:20:07,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-27 23:20:07,159 INFO L87 Difference]: Start difference. First operand 552 states and 758 transitions. Second operand 13 states. [2020-10-27 23:20:07,389 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:20:07,534 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:20:07,700 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:20:07,861 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:20:09,143 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:20:09,345 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:20:10,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:10,194 INFO L93 Difference]: Finished difference Result 1099 states and 1515 transitions. [2020-10-27 23:20:10,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 23:20:10,195 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 126 [2020-10-27 23:20:10,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:10,200 INFO L225 Difference]: With dead ends: 1099 [2020-10-27 23:20:10,200 INFO L226 Difference]: Without dead ends: 591 [2020-10-27 23:20:10,203 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2020-10-27 23:20:10,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2020-10-27 23:20:10,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 591. [2020-10-27 23:20:10,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-10-27 23:20:10,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 797 transitions. [2020-10-27 23:20:10,267 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 797 transitions. Word has length 126 [2020-10-27 23:20:10,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:10,268 INFO L481 AbstractCegarLoop]: Abstraction has 591 states and 797 transitions. [2020-10-27 23:20:10,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 23:20:10,268 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 797 transitions. [2020-10-27 23:20:10,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-27 23:20:10,271 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:10,271 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:20:10,271 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 23:20:10,271 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:10,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:10,272 INFO L82 PathProgramCache]: Analyzing trace with hash -592835177, now seen corresponding path program 1 times [2020-10-27 23:20:10,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:10,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1562585707] [2020-10-27 23:20:10,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:10,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:10,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:10,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:12,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:12,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-27 23:20:12,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:20:12,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2210 [2020-10-27 23:20:12,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:12,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 23:20:12,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 159 [2020-10-27 23:20:12,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 23:20:12,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:12,708 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:20:12,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:12,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:12,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:12,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:12,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:12,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 23:20:12,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:12,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:12,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:12,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:12,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:12,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:12,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:12,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:12,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:12,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:12,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:12,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:12,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:12,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:12,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:12,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:12,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:12,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:12,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:12,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:12,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:12,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:12,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:12,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:12,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:12,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:12,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:12,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:12,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:12,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:12,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:12,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:12,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:12,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:12,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:12,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:12,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:12,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:12,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:20:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:12,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:12,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:12,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:12,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:12,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:12,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:12,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:12,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:12,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:12,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:12,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:20:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:12,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:12,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:12,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:20:12,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:12,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:20:12,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:12,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:12,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:12,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:12,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:12,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:12,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:12,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:12,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:12,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:12,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:12,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:12,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:12,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:12,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:12,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:12,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 23:20:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:12,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:12,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:12,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:20:12,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:12,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 23:20:12,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:12,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:12,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:12,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:12,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:12,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:12,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:12,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:12,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:12,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:12,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 23:20:12,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:12,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:12,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:12,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:12,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:12,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 23:20:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:12,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:12,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:12,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:12,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:12,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:12,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:12,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:12,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:12,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:12,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:12,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:12,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:12,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:12,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:12,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:12,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:12,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:12,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:12,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:12,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:12,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:13,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:20:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:13,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:13,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:13,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:20:13,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:13,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:13,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:13,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:13,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:13,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:13,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:13,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:13,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:13,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:13,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:13,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:13,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:13,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:13,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:13,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:13,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:13,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:13,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 23:20:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:13,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:13,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:13,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 23:20:13,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:13,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 23:20:13,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:13,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:13,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:13,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 23:20:13,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:13,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:20:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:13,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:13,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:13,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:13,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:13,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:13,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:13,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:13,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:13,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:13,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:13,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 23:20:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:13,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:13,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:13,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:13,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:13,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:13,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:13,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:13,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:13,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:13,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:13,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 23:20:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:13,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:13,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:13,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:13,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:13,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:13,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:13,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:13,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:13,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:13,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:13,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 23:20:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:13,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:13,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:13,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:13,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:13,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:13,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:13,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:13,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:13,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:13,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:13,168 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-27 23:20:13,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1562585707] [2020-10-27 23:20:13,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:20:13,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 23:20:13,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110948622] [2020-10-27 23:20:13,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 23:20:13,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:20:13,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 23:20:13,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-27 23:20:13,170 INFO L87 Difference]: Start difference. First operand 591 states and 797 transitions. Second operand 14 states. [2020-10-27 23:20:14,911 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:20:15,082 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:20:15,244 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 23:20:16,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:16,006 INFO L93 Difference]: Finished difference Result 643 states and 872 transitions. [2020-10-27 23:20:16,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 23:20:16,007 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 128 [2020-10-27 23:20:16,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:16,014 INFO L225 Difference]: With dead ends: 643 [2020-10-27 23:20:16,014 INFO L226 Difference]: Without dead ends: 640 [2020-10-27 23:20:16,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2020-10-27 23:20:16,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2020-10-27 23:20:16,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 615. [2020-10-27 23:20:16,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2020-10-27 23:20:16,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 822 transitions. [2020-10-27 23:20:16,108 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 822 transitions. Word has length 128 [2020-10-27 23:20:16,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:16,109 INFO L481 AbstractCegarLoop]: Abstraction has 615 states and 822 transitions. [2020-10-27 23:20:16,109 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 23:20:16,109 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 822 transitions. [2020-10-27 23:20:16,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-27 23:20:16,112 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:16,112 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:20:16,112 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 23:20:16,112 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:16,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:16,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1261484349, now seen corresponding path program 1 times [2020-10-27 23:20:16,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:16,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [175180109] [2020-10-27 23:20:16,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:16,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:16,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:16,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:16,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-27 23:20:21,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:20:21,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 23:20:21,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 23:20:21,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 133 [2020-10-27 23:20:21,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 23:20:21,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:21,306 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:20:21,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:21,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:20:21,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:21,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:21,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:20:21,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:21,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:21,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:21,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:21,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:20:21,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:21,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:21,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:21,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:21,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:21,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:21,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:21,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:21,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:21,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:20:21,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:20:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:21,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:21,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:21,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:21,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:20:21,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:20:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:20:21,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:20:21,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:21,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:21,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:21,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:21,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:21,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:21,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:21,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:21,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 23:20:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:20:21,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 23:20:21,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:21,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:21,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:21,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:21,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:21,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:21,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:21,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:20:21,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 23:20:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:21,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:20:21,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:21,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:21,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:21,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:21,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:21,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:21,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:21,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:20:21,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:20:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:20:21,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:20:21,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:21,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:21,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:21,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:21,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:21,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:21,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:21,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:21,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 23:20:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 23:20:21,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-27 23:20:21,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 23:20:21,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:20:21,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 23:20:21,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:21,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:20:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:21,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:21,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:21,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:21,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:21,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 23:20:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:21,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:21,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:21,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:20:21,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:21,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 23:20:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:21,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:21,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:21,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:21,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:21,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 23:20:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:21,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:20:21,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:21,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:20:21,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:21,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 23:20:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:21,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:21,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:21,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:21,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:21,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 23:20:21,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:21,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:20:21,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:21,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:21,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:21,995 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-27 23:20:21,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [175180109] [2020-10-27 23:20:21,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:20:21,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-27 23:20:21,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511653472] [2020-10-27 23:20:21,997 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 23:20:21,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:20:21,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 23:20:21,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-10-27 23:20:21,999 INFO L87 Difference]: Start difference. First operand 615 states and 822 transitions. Second operand 15 states. [2020-10-27 23:20:22,342 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:20:23,835 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:20:23,983 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:20:24,142 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 23:20:24,314 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 23:20:24,904 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 23:20:25,105 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-27 23:20:25,301 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-10-27 23:20:26,313 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 23:20:27,037 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 23:20:27,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:27,630 INFO L93 Difference]: Finished difference Result 1750 states and 2393 transitions. [2020-10-27 23:20:27,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 23:20:27,631 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 136 [2020-10-27 23:20:27,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:27,641 INFO L225 Difference]: With dead ends: 1750 [2020-10-27 23:20:27,642 INFO L226 Difference]: Without dead ends: 1200 [2020-10-27 23:20:27,645 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=262, Invalid=668, Unknown=0, NotChecked=0, Total=930 [2020-10-27 23:20:27,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2020-10-27 23:20:27,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 820. [2020-10-27 23:20:27,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 820 states. [2020-10-27 23:20:27,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1091 transitions. [2020-10-27 23:20:27,759 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1091 transitions. Word has length 136 [2020-10-27 23:20:27,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:27,759 INFO L481 AbstractCegarLoop]: Abstraction has 820 states and 1091 transitions. [2020-10-27 23:20:27,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 23:20:27,760 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1091 transitions. [2020-10-27 23:20:27,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-27 23:20:27,763 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:27,764 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 23:20:27,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 23:20:27,764 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:27,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:27,765 INFO L82 PathProgramCache]: Analyzing trace with hash 968081342, now seen corresponding path program 1 times [2020-10-27 23:20:27,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:27,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [709142679] [2020-10-27 23:20:27,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:27,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:27,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:28,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:28,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:28,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-27 23:20:28,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:20:28,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1028 [2020-10-27 23:20:28,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:28,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:28,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 160 [2020-10-27 23:20:28,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:20:28,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:29,038 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:20:29,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:29,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:29,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:29,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:29,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:29,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:29,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:20:29,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:29,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:29,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:29,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:29,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:20:29,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:29,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:29,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:29,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:29,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:29,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:20:29,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:29,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:29,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:29,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:29,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:29,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:29,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:29,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:29,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:29,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:29,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:29,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:29,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:29,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:29,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:29,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:29,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:29,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:29,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:29,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:29,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:29,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:29,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:29,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:29,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:29,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:29,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:20:29,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:20:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:29,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:29,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:29,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:29,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:29,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:29,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:29,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:29,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:29,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:29,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:20:29,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:20:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:29,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:29,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:29,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:20:29,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:29,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:20:29,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:29,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:29,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:29,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:29,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:29,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:29,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:29,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:29,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:29,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:29,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:29,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:29,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:29,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:29,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:29,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:20:29,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 23:20:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:29,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:29,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:29,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:20:29,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:29,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:20:29,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:29,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:29,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:29,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:29,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:20:29,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:29,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:29,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:29,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:29,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:29,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 23:20:29,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:29,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:29,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:29,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:29,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:20:29,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 23:20:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:29,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:29,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:29,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:29,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:29,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:20:29,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:29,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:29,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:29,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:29,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:29,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:29,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:29,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:29,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:29,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:29,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:29,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:29,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:29,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:29,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:29,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:29,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:20:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:29,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:29,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:29,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:20:29,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:29,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:29,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:29,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:29,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:29,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:29,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:29,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:29,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:29,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:29,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:29,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:29,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:29,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:29,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:29,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:29,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:29,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:29,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 23:20:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:29,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:29,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:29,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 23:20:29,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:29,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 23:20:29,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:29,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:29,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-27 23:20:29,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:20:29,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:29,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:20:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:29,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:29,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:29,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:29,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:29,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:29,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:29,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:29,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:29,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:29,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:29,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 23:20:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:29,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:29,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:29,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:29,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:29,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:29,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:29,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:29,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:29,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:29,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:29,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 23:20:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:29,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:29,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:29,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:29,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:29,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:29,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:29,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:29,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:29,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:29,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:29,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 23:20:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:29,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:29,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:29,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:29,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:29,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:29,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:29,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:29,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:29,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:29,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:29,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 23:20:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:29,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:29,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:29,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:29,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:29,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:29,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:29,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:29,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:20:29,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:29,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:29,548 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-10-27 23:20:29,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [709142679] [2020-10-27 23:20:29,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:20:29,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 23:20:29,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802256902] [2020-10-27 23:20:29,550 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:20:29,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:20:29,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:20:29,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:20:29,551 INFO L87 Difference]: Start difference. First operand 820 states and 1091 transitions. Second operand 11 states. [2020-10-27 23:20:29,745 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:20:29,902 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 23:20:31,004 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:20:31,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:31,885 INFO L93 Difference]: Finished difference Result 1641 states and 2199 transitions. [2020-10-27 23:20:31,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:20:31,886 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2020-10-27 23:20:31,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:31,893 INFO L225 Difference]: With dead ends: 1641 [2020-10-27 23:20:31,893 INFO L226 Difference]: Without dead ends: 796 [2020-10-27 23:20:31,897 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-27 23:20:31,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2020-10-27 23:20:31,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 796. [2020-10-27 23:20:31,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 796 states. [2020-10-27 23:20:31,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1037 transitions. [2020-10-27 23:20:31,992 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1037 transitions. Word has length 136 [2020-10-27 23:20:31,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:31,993 INFO L481 AbstractCegarLoop]: Abstraction has 796 states and 1037 transitions. [2020-10-27 23:20:31,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:20:31,993 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1037 transitions. [2020-10-27 23:20:31,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-27 23:20:31,997 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:31,997 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:20:31,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 23:20:31,997 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:31,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:31,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1835251976, now seen corresponding path program 1 times [2020-10-27 23:20:31,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:31,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1021625381] [2020-10-27 23:20:31,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:32,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:32,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:32,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:37,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:37,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-27 23:20:37,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:20:37,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-27 23:20:37,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:37,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:37,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-27 23:20:37,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 23:20:37,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:37,182 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:20:37,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:37,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:37,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:37,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:37,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:37,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:20:37,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:37,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:37,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:37,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:37,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:37,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:37,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:37,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:37,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:37,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:37,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:37,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:37,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:37,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:37,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:37,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:37,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:37,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:37,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:37,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:37,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:37,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:37,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:37,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:37,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:37,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:37,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:37,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:37,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:37,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:37,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:37,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:37,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:37,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:37,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:37,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:37,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:37,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:37,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:20:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:37,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:37,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:37,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:37,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:37,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:37,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:37,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:37,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:37,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:37,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:37,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:20:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:37,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:37,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:37,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:20:37,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:37,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 23:20:37,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:37,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:37,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:37,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 23:20:37,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:37,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:37,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:37,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:37,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:37,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:37,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:37,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:37,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:37,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:37,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:37,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:37,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 23:20:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:37,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:37,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:37,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:20:37,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:37,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 23:20:37,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:37,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:37,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:37,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 23:20:37,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:37,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:37,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:37,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:37,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:37,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:37,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:37,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:37,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:37,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:37,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:37,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:37,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 23:20:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:37,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:37,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:37,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:37,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:37,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 23:20:37,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:37,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:37,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:37,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 23:20:37,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:37,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:37,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:37,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:37,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:37,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:37,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:37,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:37,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:37,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:37,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:37,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:37,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:20:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:37,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:37,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:37,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:20:37,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:37,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:20:37,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:37,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:37,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:37,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 23:20:37,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:37,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:37,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:37,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:37,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:37,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:37,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:37,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:37,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:37,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:37,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:37,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:37,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 23:20:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:37,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:37,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:37,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 23:20:37,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:37,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 23:20:37,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:37,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:37,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 23:20:37,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-27 23:20:37,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:37,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:20:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:37,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:37,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:37,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:37,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:37,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:37,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:37,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:37,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:37,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:20:37,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:37,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 23:20:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:37,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:37,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:37,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:37,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:37,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:37,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:37,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:37,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:37,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:37,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:37,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 23:20:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:37,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:37,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:37,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:20:37,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:37,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:37,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:37,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:37,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:37,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 23:20:37,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:37,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 23:20:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:37,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:37,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:37,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:37,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:37,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:37,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:37,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:37,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:37,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:37,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:37,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:20:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:37,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:37,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:37,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:37,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:37,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:37,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:37,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:37,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:37,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:20:37,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:37,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 23:20:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:37,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:37,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:37,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:37,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:37,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:37,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:37,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:37,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:37,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:37,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:37,706 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-10-27 23:20:37,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1021625381] [2020-10-27 23:20:37,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:20:37,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 23:20:37,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979088696] [2020-10-27 23:20:37,709 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:20:37,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:20:37,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:20:37,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:20:37,713 INFO L87 Difference]: Start difference. First operand 796 states and 1037 transitions. Second operand 11 states. [2020-10-27 23:20:37,880 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:20:38,679 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:20:41,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:41,730 INFO L93 Difference]: Finished difference Result 2217 states and 2893 transitions. [2020-10-27 23:20:41,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 23:20:41,730 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 146 [2020-10-27 23:20:41,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:41,740 INFO L225 Difference]: With dead ends: 2217 [2020-10-27 23:20:41,741 INFO L226 Difference]: Without dead ends: 1480 [2020-10-27 23:20:41,745 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2020-10-27 23:20:41,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1480 states. [2020-10-27 23:20:41,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1480 to 1429. [2020-10-27 23:20:41,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1429 states. [2020-10-27 23:20:41,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 1852 transitions. [2020-10-27 23:20:41,934 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 1852 transitions. Word has length 146 [2020-10-27 23:20:41,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:41,934 INFO L481 AbstractCegarLoop]: Abstraction has 1429 states and 1852 transitions. [2020-10-27 23:20:41,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:20:41,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 1852 transitions. [2020-10-27 23:20:41,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-27 23:20:41,940 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:41,940 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:20:41,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 23:20:41,940 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:41,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:41,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1067649466, now seen corresponding path program 1 times [2020-10-27 23:20:41,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:41,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [501575731] [2020-10-27 23:20:41,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:41,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:42,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:42,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:46,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:46,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:46,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-27 23:20:46,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:20:46,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 23:20:46,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:46,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:46,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-10-27 23:20:46,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 23:20:46,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:47,120 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:20:47,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:47,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:47,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:47,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:47,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:47,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:47,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:47,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:47,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:47,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:47,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:47,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:47,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:47,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:47,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:47,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:47,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:47,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:47,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:47,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:47,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:47,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:47,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:47,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:47,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:47,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:47,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:47,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:47,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:47,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:47,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:47,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:47,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:47,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:47,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:47,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:47,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:47,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:47,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:47,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:47,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:47,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:47,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:47,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:47,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:47,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:20:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:47,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:47,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:47,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:47,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:47,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:47,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:47,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:47,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:47,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:47,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:47,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:20:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:47,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:47,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:47,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:20:47,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:47,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:47,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:47,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:47,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:47,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:47,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:47,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:47,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:47,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:47,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:47,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:47,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:47,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:47,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:47,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:47,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:47,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:47,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 23:20:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:47,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:47,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:47,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:20:47,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:47,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 23:20:47,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:47,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:47,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:47,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:20:47,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:47,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:47,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:47,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:47,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:47,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:47,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:47,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:47,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:47,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:47,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:47,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:47,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 23:20:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:47,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:47,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:47,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:47,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:47,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 23:20:47,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:47,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:47,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:47,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 23:20:47,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:47,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:47,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:47,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:47,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:47,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:47,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:47,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:47,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:47,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:47,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:47,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:47,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:20:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:47,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:47,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:47,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:20:47,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:47,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:20:47,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:47,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:47,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:47,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 23:20:47,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:47,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:47,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:47,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:47,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:47,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:47,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:47,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:47,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:47,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:47,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:47,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:47,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 23:20:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:47,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:47,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:47,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 23:20:47,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:47,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 23:20:47,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:47,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:47,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 23:20:47,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-27 23:20:47,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:47,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:47,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:47,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:47,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:47,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:47,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:47,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:47,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:47,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:47,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:20:47,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:47,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 23:20:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:47,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:47,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:47,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:47,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:47,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:47,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:47,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:47,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:47,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:47,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:47,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:20:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:47,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:47,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:47,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:20:47,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:47,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:47,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:47,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:47,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:47,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 23:20:47,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:47,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:20:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:47,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:47,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:47,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:47,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:47,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:47,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:47,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:47,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:47,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:47,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:47,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 23:20:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:47,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:47,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:47,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:47,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:47,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:47,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:47,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:47,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:47,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:20:47,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:47,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 23:20:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:47,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:47,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:47,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:47,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:47,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:47,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:47,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:47,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:47,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:47,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:47,566 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-10-27 23:20:47,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [501575731] [2020-10-27 23:20:47,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:20:47,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 23:20:47,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733058317] [2020-10-27 23:20:47,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:20:47,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:20:47,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:20:47,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:20:47,568 INFO L87 Difference]: Start difference. First operand 1429 states and 1852 transitions. Second operand 11 states. [2020-10-27 23:20:47,741 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:20:48,754 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:20:51,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:51,905 INFO L93 Difference]: Finished difference Result 4049 states and 5278 transitions. [2020-10-27 23:20:51,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 23:20:51,911 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 147 [2020-10-27 23:20:51,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:51,926 INFO L225 Difference]: With dead ends: 4049 [2020-10-27 23:20:51,926 INFO L226 Difference]: Without dead ends: 2707 [2020-10-27 23:20:51,931 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-10-27 23:20:51,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2707 states. [2020-10-27 23:20:52,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2707 to 2688. [2020-10-27 23:20:52,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2688 states. [2020-10-27 23:20:52,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 2688 states and 3474 transitions. [2020-10-27 23:20:52,253 INFO L78 Accepts]: Start accepts. Automaton has 2688 states and 3474 transitions. Word has length 147 [2020-10-27 23:20:52,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:52,253 INFO L481 AbstractCegarLoop]: Abstraction has 2688 states and 3474 transitions. [2020-10-27 23:20:52,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:20:52,254 INFO L276 IsEmpty]: Start isEmpty. Operand 2688 states and 3474 transitions. [2020-10-27 23:20:52,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-27 23:20:52,262 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:52,262 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:20:52,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 23:20:52,263 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:52,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:52,263 INFO L82 PathProgramCache]: Analyzing trace with hash -2029936899, now seen corresponding path program 1 times [2020-10-27 23:20:52,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:52,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2088240987] [2020-10-27 23:20:52,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:52,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:52,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:52,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:57,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:57,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:57,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-27 23:20:57,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:20:57,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-27 23:20:57,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:57,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:57,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-27 23:20:57,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 23:20:57,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:57,454 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:20:57,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:57,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:57,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:57,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:57,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:57,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:20:57,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:57,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:57,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:57,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:57,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:57,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:57,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:57,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:57,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:57,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:57,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:57,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:57,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:57,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:57,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:57,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:57,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:57,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:57,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:57,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:57,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:57,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:57,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:57,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:57,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:57,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:57,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:57,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:57,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:57,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:57,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:57,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:57,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:57,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:57,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:57,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:57,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:57,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:57,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:20:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:57,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:57,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:57,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:57,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:57,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:20:57,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:57,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:57,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:57,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:57,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:57,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:20:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:57,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:57,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:57,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:20:57,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:57,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:57,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:57,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:57,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:57,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:57,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:57,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:57,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:57,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:57,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:57,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:57,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:57,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:57,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:57,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:57,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:57,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:57,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 23:20:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:57,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:57,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:57,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:20:57,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:57,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:57,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:57,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:57,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:57,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:57,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:57,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:57,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:57,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:57,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:57,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:57,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:57,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:57,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:57,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:57,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:57,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:57,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 23:20:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:57,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:57,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:57,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:57,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:57,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:20:57,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:57,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:57,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:57,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 23:20:57,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:57,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:57,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:57,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:57,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:57,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:57,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:57,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:57,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:57,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:57,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:57,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:57,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:20:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:57,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:57,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:57,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:20:57,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:57,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:20:57,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:57,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:57,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:57,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 23:20:57,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:57,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:57,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:57,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:57,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:57,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:57,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:57,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:57,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:57,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:57,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:57,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:57,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 23:20:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:57,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:57,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:57,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 23:20:57,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:57,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 23:20:57,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:57,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:57,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 23:20:57,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-27 23:20:57,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:57,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:20:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:57,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:57,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:57,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:57,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:57,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:57,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:57,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:57,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:57,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:20:57,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:57,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 23:20:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:57,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:57,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:57,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:57,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:57,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:57,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:57,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:57,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:57,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:57,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:57,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 23:20:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:57,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:57,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:57,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:20:57,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:57,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:57,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:57,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:57,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:57,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 23:20:57,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:57,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 23:20:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:57,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:57,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:57,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:57,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:57,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:57,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:57,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:57,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:57,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:57,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:57,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 23:20:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:57,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:57,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:57,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:57,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:57,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:57,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:57,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:57,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:57,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:20:57,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:57,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 23:20:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:57,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:57,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:57,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:57,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:57,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:57,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:57,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:57,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:57,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:57,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:57,865 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-10-27 23:20:57,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2088240987] [2020-10-27 23:20:57,866 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:20:57,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 23:20:57,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035876812] [2020-10-27 23:20:57,866 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:20:57,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:20:57,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:20:57,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:20:57,867 INFO L87 Difference]: Start difference. First operand 2688 states and 3474 transitions. Second operand 11 states. [2020-10-27 23:20:58,029 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:20:59,173 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:21:02,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:21:02,151 INFO L93 Difference]: Finished difference Result 7706 states and 10002 transitions. [2020-10-27 23:21:02,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 23:21:02,152 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 148 [2020-10-27 23:21:02,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:21:02,180 INFO L225 Difference]: With dead ends: 7706 [2020-10-27 23:21:02,180 INFO L226 Difference]: Without dead ends: 5130 [2020-10-27 23:21:02,188 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=171, Invalid=479, Unknown=0, NotChecked=0, Total=650 [2020-10-27 23:21:02,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5130 states. [2020-10-27 23:21:02,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5130 to 5095. [2020-10-27 23:21:02,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5095 states. [2020-10-27 23:21:02,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5095 states to 5095 states and 6574 transitions. [2020-10-27 23:21:02,811 INFO L78 Accepts]: Start accepts. Automaton has 5095 states and 6574 transitions. Word has length 148 [2020-10-27 23:21:02,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:21:02,811 INFO L481 AbstractCegarLoop]: Abstraction has 5095 states and 6574 transitions. [2020-10-27 23:21:02,811 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:21:02,811 INFO L276 IsEmpty]: Start isEmpty. Operand 5095 states and 6574 transitions. [2020-10-27 23:21:02,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-27 23:21:02,825 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:21:02,826 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:21:02,826 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 23:21:02,826 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:21:02,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:21:02,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1469237121, now seen corresponding path program 1 times [2020-10-27 23:21:02,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:21:02,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1966519555] [2020-10-27 23:21:02,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:21:02,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:02,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:02,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:02,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:07,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:07,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-27 23:21:07,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:21:07,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 23:21:07,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:07,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:07,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 23:21:07,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:21:07,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,026 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:21:08,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:21:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:21:08,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:08,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:08,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:08,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:08,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:08,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:21:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:21:08,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:08,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:08,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:08,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:08,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:08,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:08,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:08,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:08,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:08,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:08,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:08,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:08,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:08,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:08,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:08,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:08,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:08,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:21:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:08,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:08,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:08,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:08,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:08,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:08,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:21:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:21:08,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:08,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:21:08,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:08,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:08,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:08,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:08,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:08,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:08,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:08,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:08,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:08,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 23:21:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:21:08,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:08,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:08,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:08,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:08,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:08,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:08,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:08,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:08,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:08,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:08,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:08,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 23:21:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:08,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:08,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:21:08,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:08,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:08,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:08,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:08,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:08,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:08,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:08,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:08,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:08,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:21:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:21:08,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:08,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:08,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:08,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:08,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:08,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:08,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:08,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:08,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:08,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:08,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:08,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 23:21:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 23:21:08,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:08,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 23:21:08,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:08,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 23:21:08,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:21:08,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:21:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:08,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:08,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:08,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:08,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:08,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:21:08,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 23:21:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:08,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:08,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:08,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:08,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:21:08,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:08,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 23:21:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:21:08,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:08,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:08,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:08,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 23:21:08,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:08,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 23:21:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:08,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:08,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:08,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:08,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:21:08,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:08,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 23:21:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:08,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:08,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:08,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:08,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 23:21:08,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:08,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 23:21:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:08,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:08,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:08,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:08,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:08,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:08,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:21:08,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:08,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:08,454 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-10-27 23:21:08,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1966519555] [2020-10-27 23:21:08,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:21:08,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 23:21:08,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044538909] [2020-10-27 23:21:08,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 23:21:08,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:21:08,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 23:21:08,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-27 23:21:08,456 INFO L87 Difference]: Start difference. First operand 5095 states and 6574 transitions. Second operand 12 states. [2020-10-27 23:21:08,982 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 23:21:09,129 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-27 23:21:11,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:21:11,194 INFO L93 Difference]: Finished difference Result 9585 states and 12371 transitions. [2020-10-27 23:21:11,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:21:11,195 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 148 [2020-10-27 23:21:11,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:21:11,223 INFO L225 Difference]: With dead ends: 9585 [2020-10-27 23:21:11,223 INFO L226 Difference]: Without dead ends: 4577 [2020-10-27 23:21:11,236 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2020-10-27 23:21:11,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4577 states. [2020-10-27 23:21:11,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4577 to 4577. [2020-10-27 23:21:11,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4577 states. [2020-10-27 23:21:11,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4577 states to 4577 states and 5901 transitions. [2020-10-27 23:21:11,683 INFO L78 Accepts]: Start accepts. Automaton has 4577 states and 5901 transitions. Word has length 148 [2020-10-27 23:21:11,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:21:11,684 INFO L481 AbstractCegarLoop]: Abstraction has 4577 states and 5901 transitions. [2020-10-27 23:21:11,684 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 23:21:11,684 INFO L276 IsEmpty]: Start isEmpty. Operand 4577 states and 5901 transitions. [2020-10-27 23:21:11,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-27 23:21:11,699 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:21:11,699 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:21:11,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 23:21:11,699 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:21:11,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:21:11,700 INFO L82 PathProgramCache]: Analyzing trace with hash 306102292, now seen corresponding path program 1 times [2020-10-27 23:21:11,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:21:11,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [212869285] [2020-10-27 23:21:11,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:21:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:11,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:11,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:14,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:16,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:16,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-27 23:21:16,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:21:16,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 23:21:16,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:16,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 23:21:16,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-27 23:21:16,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 23:21:16,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:16,869 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:21:16,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:21:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:16,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:16,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:16,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:21:16,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:16,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:16,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:16,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:16,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:16,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:16,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:16,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:21:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:16,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:16,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:16,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:21:16,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:16,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:21:16,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:16,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:16,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:16,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 23:21:16,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:16,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:16,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:16,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:16,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:16,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:16,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:16,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:16,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:16,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:16,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:16,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:16,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:16,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:16,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:16,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:16,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:16,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:16,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:16,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:16,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:16,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:16,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:16,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:21:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:16,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:16,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:16,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:16,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:16,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:16,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:16,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:16,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:16,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:21:16,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:21:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 23:21:17,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:21:17,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 23:21:17,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:17,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:17,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:17,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 23:21:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:17,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:17,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:17,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 23:21:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:21:17,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:17,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:21:17,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:17,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:17,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:17,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 23:21:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:17,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:17,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:21:17,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:17,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:17,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:17,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 23:21:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:21:17,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:17,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 23:21:17,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:17,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:17,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:17,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 23:21:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 23:21:17,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:21:17,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 23:21:17,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:21:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:17,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:17,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:17,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 23:21:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:17,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:17,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:17,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 23:21:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:21:17,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:17,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:17,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 23:21:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:17,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:17,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:17,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:21:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:17,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:17,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:17,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 23:21:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:17,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:17,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:17,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:17,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:17,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:17,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:17,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:17,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:17,311 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-10-27 23:21:17,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [212869285] [2020-10-27 23:21:17,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:21:17,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 23:21:17,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193541138] [2020-10-27 23:21:17,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 23:21:17,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:21:17,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 23:21:17,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-27 23:21:17,313 INFO L87 Difference]: Start difference. First operand 4577 states and 5901 transitions. Second operand 14 states. [2020-10-27 23:21:17,860 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:21:18,037 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 23:21:18,190 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-27 23:21:20,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:21:20,163 INFO L93 Difference]: Finished difference Result 9072 states and 11700 transitions. [2020-10-27 23:21:20,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 23:21:20,164 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 152 [2020-10-27 23:21:20,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:21:20,189 INFO L225 Difference]: With dead ends: 9072 [2020-10-27 23:21:20,190 INFO L226 Difference]: Without dead ends: 4577 [2020-10-27 23:21:20,201 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2020-10-27 23:21:20,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4577 states. [2020-10-27 23:21:20,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4577 to 4577. [2020-10-27 23:21:20,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4577 states. [2020-10-27 23:21:20,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4577 states to 4577 states and 5897 transitions. [2020-10-27 23:21:20,656 INFO L78 Accepts]: Start accepts. Automaton has 4577 states and 5897 transitions. Word has length 152 [2020-10-27 23:21:20,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:21:20,656 INFO L481 AbstractCegarLoop]: Abstraction has 4577 states and 5897 transitions. [2020-10-27 23:21:20,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 23:21:20,656 INFO L276 IsEmpty]: Start isEmpty. Operand 4577 states and 5897 transitions. [2020-10-27 23:21:20,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-27 23:21:20,671 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:21:20,671 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:21:20,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-27 23:21:20,671 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:21:20,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:21:20,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1380693778, now seen corresponding path program 1 times [2020-10-27 23:21:20,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:21:20,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1574698196] [2020-10-27 23:21:20,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:21:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:20,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:20,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:20,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:20,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:20,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:20,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:24,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:25,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:25,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-10-27 23:21:25,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 23:21:25,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 23:21:25,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:25,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:25,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-27 23:21:25,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:21:25,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:25,837 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:21:25,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:21:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:25,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:25,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:25,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:21:25,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:25,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:21:25,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:25,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:25,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:25,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:25,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:25,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:21:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:25,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:25,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:25,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:25,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:25,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:29,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-27 23:21:30,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 23:21:30,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 23:21:30,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:30,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-27 23:21:30,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:21:30,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:30,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:30,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:30,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:30,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:30,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:30,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:30,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:30,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:30,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:30,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:30,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:30,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:21:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:21:30,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:30,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:30,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:30,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:30,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:30,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:21:30,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:30,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:30,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:30,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:30,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:30,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:30,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:21:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:21:30,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:21:30,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:21:30,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:30,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:30,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 23:21:30,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:21:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:30,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:30,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:30,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:30,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:30,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:21:30,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 23:21:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:21:30,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:21:30,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 23:21:30,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:30,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:30,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 23:21:30,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:21:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:30,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:30,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:30,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:30,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:30,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:21:30,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:30,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 23:21:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:30,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:30,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:30,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:30,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:30,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:30,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:30,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:30,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 23:21:30,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:30,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:31,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 23:21:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:31,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:31,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:31,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 23:21:31,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:31,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:21:31,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:31,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:31,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 23:21:31,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:31,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:31,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:31,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:31,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:31,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:31,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:31,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:31,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:31,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:31,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:31,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:31,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:31,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 23:21:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:31,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:31,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:31,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:31,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:31,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:31,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:31,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:31,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:31,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:31,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:31,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 23:21:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:31,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:31,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:31,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:21:31,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:31,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:31,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:31,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:31,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:21:31,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:31,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:31,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:31,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:31,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:31,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:31,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:31,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:31,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:31,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:31,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:31,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:31,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:31,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 23:21:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:31,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:31,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:31,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:31,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:31,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:21:31,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:31,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:31,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:21:31,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:31,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:31,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:31,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:31,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:31,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:31,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:31,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:31,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:31,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:31,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:31,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:31,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:31,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 23:21:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:31,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:31,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:31,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:21:31,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:31,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:31,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:31,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:31,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 23:21:31,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:31,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:31,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:31,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:31,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:31,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:31,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:31,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:31,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:31,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:31,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:31,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:31,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:31,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 23:21:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:31,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:31,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:31,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 23:21:31,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:31,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 23:21:31,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:31,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:31,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 23:21:31,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:31,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:31,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:21:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:31,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:31,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:31,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:31,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:31,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:31,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:31,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:31,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:31,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:31,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:31,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 23:21:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:31,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:31,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:31,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:31,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:31,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:31,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:31,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:31,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:31,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:31,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:31,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 23:21:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:31,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:31,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:31,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:21:31,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:31,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:31,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:31,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:31,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:31,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:31,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:31,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 23:21:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:31,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:31,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:31,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:31,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:31,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:31,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:31,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:31,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:31,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:31,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:31,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:21:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:31,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:31,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:31,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:31,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:31,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:31,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:31,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:31,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:31,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:31,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:31,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 23:21:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:31,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:31,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:31,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:31,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:31,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:31,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:31,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:31,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:31,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:31,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:31,371 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-10-27 23:21:31,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1574698196] [2020-10-27 23:21:31,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:21:31,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 23:21:31,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103643584] [2020-10-27 23:21:31,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 23:21:31,372 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:21:31,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 23:21:31,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-27 23:21:31,373 INFO L87 Difference]: Start difference. First operand 4577 states and 5897 transitions. Second operand 13 states. [2020-10-27 23:21:31,547 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:21:31,683 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:21:32,159 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:21:34,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:21:34,533 INFO L93 Difference]: Finished difference Result 9139 states and 11782 transitions. [2020-10-27 23:21:34,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:21:34,534 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 206 [2020-10-27 23:21:34,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:21:34,557 INFO L225 Difference]: With dead ends: 9139 [2020-10-27 23:21:34,557 INFO L226 Difference]: Without dead ends: 4594 [2020-10-27 23:21:34,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-10-27 23:21:34,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4594 states. [2020-10-27 23:21:35,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4594 to 4594. [2020-10-27 23:21:35,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4594 states. [2020-10-27 23:21:35,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4594 states to 4594 states and 5921 transitions. [2020-10-27 23:21:35,113 INFO L78 Accepts]: Start accepts. Automaton has 4594 states and 5921 transitions. Word has length 206 [2020-10-27 23:21:35,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:21:35,114 INFO L481 AbstractCegarLoop]: Abstraction has 4594 states and 5921 transitions. [2020-10-27 23:21:35,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 23:21:35,114 INFO L276 IsEmpty]: Start isEmpty. Operand 4594 states and 5921 transitions. [2020-10-27 23:21:35,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-27 23:21:35,129 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:21:35,129 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:21:35,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-27 23:21:35,129 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:21:35,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:21:35,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1557050272, now seen corresponding path program 1 times [2020-10-27 23:21:35,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:21:35,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1346042225] [2020-10-27 23:21:35,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:21:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:35,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:35,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:35,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:35,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:35,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:35,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:37,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:40,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:40,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-10-27 23:21:40,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 23:21:40,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-27 23:21:40,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:40,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:40,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-27 23:21:40,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:21:40,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:40,298 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:21:40,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:21:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:40,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:40,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:40,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:21:40,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:40,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:21:40,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:40,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:40,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:40,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:40,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:40,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:21:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:40,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:40,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:40,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:40,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:40,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:41,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:45,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 23:21:45,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 23:21:45,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 23:21:45,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:45,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:45,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-27 23:21:45,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:21:45,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:45,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:45,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:45,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:45,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:45,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:45,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:45,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:45,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:45,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:45,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:45,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:45,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:45,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:45,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:45,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:45,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:45,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:45,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:45,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:45,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:45,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:21:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:45,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:45,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:21:45,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:45,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:45,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:45,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:45,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:45,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:45,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:45,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:21:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:45,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:45,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:45,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:45,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:45,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:45,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:45,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:45,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:45,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:45,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:21:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:45,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:45,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:21:45,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:21:45,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 23:21:45,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:45,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:45,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:45,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 23:21:45,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:45,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 23:21:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:45,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:45,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 23:21:45,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:21:45,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 23:21:45,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:45,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:45,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:45,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 23:21:45,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:45,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 23:21:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:45,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:45,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:21:45,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:45,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:45,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:45,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:45,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:45,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 23:21:45,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:45,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 23:21:45,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:45,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:45,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:45,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:45,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:45,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:45,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:45,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 23:21:45,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:45,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:45,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 23:21:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:45,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:45,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 23:21:45,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:45,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:21:45,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:45,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:45,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 23:21:45,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:45,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:45,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:45,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:45,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:45,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:45,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:45,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:45,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:45,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:45,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:45,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:45,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 23:21:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:45,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:45,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:45,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:45,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:45,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:45,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:45,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:45,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:45,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:45,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 23:21:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:45,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:45,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:21:45,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:45,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:21:45,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:45,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:45,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:21:45,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:45,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:45,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:45,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:45,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:45,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:45,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:45,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:45,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:45,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:45,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:45,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 23:21:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:45,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:45,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:45,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:45,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:21:45,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:45,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:45,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:21:45,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:45,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:45,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:45,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:45,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:45,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:45,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:45,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:45,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:45,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:45,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:45,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:45,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 23:21:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:45,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:45,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:21:45,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:45,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:45,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:45,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:45,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 23:21:45,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:45,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:45,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:45,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:45,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:45,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:45,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:45,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:45,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:45,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:45,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:45,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:45,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 23:21:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:45,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:45,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 23:21:45,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:45,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 23:21:45,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:45,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:45,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 23:21:45,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:45,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:45,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:21:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:45,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:45,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:45,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:45,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:45,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:45,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:45,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:45,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:45,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:45,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 23:21:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:45,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:45,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:45,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:45,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:45,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:45,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:45,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:45,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:45,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:45,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 23:21:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:45,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:45,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:21:45,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:45,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:45,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:45,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:45,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:45,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:45,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:45,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 23:21:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:45,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:45,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:45,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:45,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:45,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:45,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:45,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:45,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:45,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:45,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:21:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:45,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:45,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:45,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:45,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:45,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:45,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:45,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:45,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:45,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:45,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 23:21:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:45,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:45,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:45,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:45,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:45,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:21:45,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:45,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:45,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:45,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:45,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:46,041 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-10-27 23:21:46,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1346042225] [2020-10-27 23:21:46,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:21:46,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 23:21:46,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268955540] [2020-10-27 23:21:46,043 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 23:21:46,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:21:46,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 23:21:46,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-10-27 23:21:46,044 INFO L87 Difference]: Start difference. First operand 4594 states and 5921 transitions. Second operand 15 states. [2020-10-27 23:21:46,492 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 124 [2020-10-27 23:21:46,925 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 128 [2020-10-27 23:21:47,406 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:21:47,821 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 126 [2020-10-27 23:21:48,084 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 23:21:48,398 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 133 [2020-10-27 23:21:50,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:21:50,802 INFO L93 Difference]: Finished difference Result 9176 states and 11835 transitions. [2020-10-27 23:21:50,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 23:21:50,802 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 204 [2020-10-27 23:21:50,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:21:50,822 INFO L225 Difference]: With dead ends: 9176 [2020-10-27 23:21:50,822 INFO L226 Difference]: Without dead ends: 4601 [2020-10-27 23:21:50,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=184, Invalid=466, Unknown=0, NotChecked=0, Total=650 [2020-10-27 23:21:50,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4601 states. [2020-10-27 23:21:51,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4601 to 4601. [2020-10-27 23:21:51,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4601 states. [2020-10-27 23:21:51,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4601 states to 4601 states and 5925 transitions. [2020-10-27 23:21:51,326 INFO L78 Accepts]: Start accepts. Automaton has 4601 states and 5925 transitions. Word has length 204 [2020-10-27 23:21:51,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:21:51,327 INFO L481 AbstractCegarLoop]: Abstraction has 4601 states and 5925 transitions. [2020-10-27 23:21:51,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 23:21:51,327 INFO L276 IsEmpty]: Start isEmpty. Operand 4601 states and 5925 transitions. [2020-10-27 23:21:51,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-27 23:21:51,339 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:21:51,339 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:21:51,339 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-27 23:21:51,339 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:21:51,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:21:51,340 INFO L82 PathProgramCache]: Analyzing trace with hash 482336288, now seen corresponding path program 2 times [2020-10-27 23:21:51,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:21:51,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1167759345] [2020-10-27 23:21:51,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:21:51,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:51,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:51,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:51,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:51,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:51,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:56,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:56,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 264 [2020-10-27 23:21:56,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 23:21:56,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 23:21:56,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:56,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:56,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-27 23:21:56,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:21:56,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:56,501 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:21:56,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:21:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:56,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:56,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:56,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:21:56,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:56,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:56,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:56,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:56,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:56,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:56,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:56,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:21:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:56,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:56,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:56,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:56,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:56,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:59,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 23:21:59,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 23:21:59,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2772 [2020-10-27 23:21:59,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:59,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:59,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-27 23:21:59,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:21:59,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:59,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:59,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:59,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:59,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:59,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:59,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:59,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:59,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:59,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:59,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:59,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:59,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:59,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:59,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:59,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:59,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:59,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:59,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:59,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:59,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:59,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:21:59,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:59,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:59,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:21:59,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:59,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:59,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:59,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:59,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:59,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:59,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:59,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:21:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:59,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:59,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:59,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:59,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:59,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:59,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:59,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:59,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:59,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:59,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:21:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:59,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:59,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 23:21:59,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:59,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:59,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:59,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:59,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:59,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:59,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:59,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 23:21:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:59,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:59,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:21:59,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:59,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:59,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:59,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:59,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:59,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:59,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:59,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:21:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:59,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:59,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:21:59,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:21:59,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 23:21:59,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:59,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:59,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:59,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:21:59,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:59,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 23:21:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:59,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:59,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:59,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:59,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:59,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:59,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:59,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 23:21:59,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:59,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:59,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 23:21:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:59,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:59,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 23:21:59,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:59,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:21:59,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:59,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:59,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 23:21:59,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:59,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:59,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:59,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:59,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:59,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:59,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:59,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:59,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:59,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:59,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:59,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:59,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 23:21:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:59,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:59,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:59,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:59,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:59,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:59,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:59,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:59,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:59,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:59,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 23:21:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:59,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:59,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:21:59,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:59,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:59,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:59,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:59,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:21:59,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:59,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:59,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:59,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:59,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:59,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:59,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:59,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:59,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:59,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:59,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:59,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:59,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 23:21:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:59,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:59,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:59,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:59,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:21:59,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:59,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:59,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:21:59,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:59,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:59,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:59,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:59,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:59,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:59,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:59,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:59,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:59,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:59,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:59,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:59,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 23:21:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:59,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:59,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:21:59,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:59,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:59,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:59,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:59,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 23:21:59,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:59,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:59,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:59,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:59,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:59,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:59,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:59,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:59,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:59,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:59,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:59,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:59,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-27 23:21:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:59,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:59,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 23:21:59,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:59,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:21:59,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:59,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:59,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 23:21:59,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:59,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:59,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:21:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:59,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:59,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:59,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:59,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:59,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:59,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:59,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:59,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:59,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:59,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 23:21:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:59,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:59,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:59,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:59,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:59,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:59,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:59,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:59,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:59,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:59,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 23:21:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:59,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:59,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:21:59,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:59,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:59,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:59,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:59,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:59,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:59,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:59,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 23:21:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:59,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:59,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:59,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:59,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:59,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:59,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:59,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:59,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:59,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:59,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:21:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:59,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:59,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:59,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:59,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:59,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:59,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:59,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:59,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:59,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:59,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 23:21:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:59,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:59,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:59,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:59,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:59,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:59,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:59,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:59,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:59,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:59,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:59,715 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2020-10-27 23:21:59,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1167759345] [2020-10-27 23:21:59,715 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:21:59,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 23:21:59,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389665673] [2020-10-27 23:21:59,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:21:59,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:21:59,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:21:59,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:21:59,717 INFO L87 Difference]: Start difference. First operand 4601 states and 5925 transitions. Second operand 11 states. [2020-10-27 23:21:59,883 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:00,038 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:02,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:22:02,209 INFO L93 Difference]: Finished difference Result 9261 states and 11944 transitions. [2020-10-27 23:22:02,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 23:22:02,209 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 204 [2020-10-27 23:22:02,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:22:02,233 INFO L225 Difference]: With dead ends: 9261 [2020-10-27 23:22:02,233 INFO L226 Difference]: Without dead ends: 4683 [2020-10-27 23:22:02,246 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2020-10-27 23:22:02,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4683 states. [2020-10-27 23:22:02,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4683 to 4636. [2020-10-27 23:22:02,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4636 states. [2020-10-27 23:22:02,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4636 states to 4636 states and 5976 transitions. [2020-10-27 23:22:02,688 INFO L78 Accepts]: Start accepts. Automaton has 4636 states and 5976 transitions. Word has length 204 [2020-10-27 23:22:02,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:22:02,688 INFO L481 AbstractCegarLoop]: Abstraction has 4636 states and 5976 transitions. [2020-10-27 23:22:02,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:22:02,688 INFO L276 IsEmpty]: Start isEmpty. Operand 4636 states and 5976 transitions. [2020-10-27 23:22:02,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-27 23:22:02,700 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:22:02,700 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:22:02,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-27 23:22:02,701 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:22:02,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:22:02,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1289581722, now seen corresponding path program 1 times [2020-10-27 23:22:02,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:22:02,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [292479444] [2020-10-27 23:22:02,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:22:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:02,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:02,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:02,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:02,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:03,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:07,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:07,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-10-27 23:22:07,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 23:22:07,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 23:22:07,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:07,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:07,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-27 23:22:07,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:22:07,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:07,869 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:22:07,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:22:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:07,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:07,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:07,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:22:07,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:07,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:07,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:07,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:07,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:07,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:07,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:07,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:07,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:07,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:07,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:08,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:09,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:09,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 23:22:09,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:22:09,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1246 [2020-10-27 23:22:09,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:09,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:09,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-27 23:22:09,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:22:09,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:09,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:09,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:09,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:09,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:09,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:09,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:09,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:09,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:09,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:09,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:09,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:09,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:09,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:09,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:09,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:09,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:09,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:09,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:09,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:09,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:09,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:09,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:09,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:22:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:09,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:09,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:09,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:22:09,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:09,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:09,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:09,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:09,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:09,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:09,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:09,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:22:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:09,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:09,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:09,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:09,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:09,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:09,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:09,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:09,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:09,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:09,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:09,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:22:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:09,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:09,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:09,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 23:22:09,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:09,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:09,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:09,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:09,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:09,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:09,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:09,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 23:22:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:09,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:09,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:09,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:09,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:09,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:09,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:09,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:09,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:09,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:09,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:09,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:22:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:09,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:09,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:09,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 23:22:09,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:09,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:22:09,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:09,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:22:09,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:09,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 23:22:09,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:09,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:09,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:09,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:09,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:09,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:09,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:09,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:09,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:09,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:09,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:09,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:09,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 23:22:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:09,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:09,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:09,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:09,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:09,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:22:09,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:09,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:09,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 23:22:09,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:09,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:09,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 23:22:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:09,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:09,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:09,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 23:22:09,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:09,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:22:09,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:09,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:09,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 23:22:09,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:09,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:09,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:09,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:09,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:09,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:09,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:09,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:09,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:09,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:09,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:09,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:09,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:09,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 23:22:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:09,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:09,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:09,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:09,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:09,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:09,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:09,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:09,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:09,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:09,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:09,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 23:22:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:09,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:09,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:09,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:22:09,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:09,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:09,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:09,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:09,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:22:09,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:09,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:09,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:09,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:09,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:09,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:09,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:09,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:09,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:09,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:09,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:09,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:09,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:09,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 23:22:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:09,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:09,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:09,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:09,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:09,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:09,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:09,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:09,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:22:09,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:09,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:09,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:09,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:09,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:09,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:09,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:09,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:09,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:09,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:09,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:09,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:09,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:09,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 23:22:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:09,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:09,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:09,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:22:09,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:09,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:09,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:09,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:09,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 23:22:09,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:09,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:09,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:09,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:09,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:09,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:09,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:09,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:09,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:09,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:09,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:09,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:09,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:09,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 23:22:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:09,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:09,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:09,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 23:22:09,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:09,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:22:09,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:09,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:09,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 23:22:09,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:09,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:09,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:22:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:09,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:09,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:09,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:09,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:09,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:09,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:09,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:09,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:09,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:09,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:09,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 23:22:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:09,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:09,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:09,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:09,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:09,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:09,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:09,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:09,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:09,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:09,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:09,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 23:22:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:09,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:09,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:09,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:09,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:09,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:09,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:09,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:09,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:09,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:09,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:09,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 23:22:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:09,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:09,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:09,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:09,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:09,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:09,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:09,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:09,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:09,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:09,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:09,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:22:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:09,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:09,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:09,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:09,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:09,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:22:09,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:09,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:09,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:09,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:09,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:09,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 23:22:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:09,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:09,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:09,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:09,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:09,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:09,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:09,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:09,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:09,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:09,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:09,539 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-10-27 23:22:09,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [292479444] [2020-10-27 23:22:09,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:22:09,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 23:22:09,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34796167] [2020-10-27 23:22:09,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 23:22:09,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:22:09,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 23:22:09,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-27 23:22:09,541 INFO L87 Difference]: Start difference. First operand 4636 states and 5976 transitions. Second operand 12 states. [2020-10-27 23:22:09,887 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:10,305 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:10,456 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:12,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:22:12,352 INFO L93 Difference]: Finished difference Result 9145 states and 11788 transitions. [2020-10-27 23:22:12,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:22:12,355 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 209 [2020-10-27 23:22:12,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:22:12,379 INFO L225 Difference]: With dead ends: 9145 [2020-10-27 23:22:12,379 INFO L226 Difference]: Without dead ends: 4642 [2020-10-27 23:22:12,391 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2020-10-27 23:22:12,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4642 states. [2020-10-27 23:22:12,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4642 to 4636. [2020-10-27 23:22:12,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4636 states. [2020-10-27 23:22:12,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4636 states to 4636 states and 5974 transitions. [2020-10-27 23:22:12,926 INFO L78 Accepts]: Start accepts. Automaton has 4636 states and 5974 transitions. Word has length 209 [2020-10-27 23:22:12,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:22:12,926 INFO L481 AbstractCegarLoop]: Abstraction has 4636 states and 5974 transitions. [2020-10-27 23:22:12,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 23:22:12,927 INFO L276 IsEmpty]: Start isEmpty. Operand 4636 states and 5974 transitions. [2020-10-27 23:22:12,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-27 23:22:12,938 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:22:12,938 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:22:12,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-27 23:22:12,939 INFO L429 AbstractCegarLoop]: === Iteration 23 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:22:12,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:22:12,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1843228216, now seen corresponding path program 3 times [2020-10-27 23:22:12,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:22:12,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [669944888] [2020-10-27 23:22:12,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:22:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:12,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:12,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:13,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:13,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:13,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:13,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:17,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:17,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-27 23:22:17,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 23:22:17,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 23:22:17,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:17,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:17,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-27 23:22:17,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 23:22:17,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:18,105 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:22:18,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:22:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:18,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:18,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:18,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:22:18,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:18,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:22:18,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:18,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:18,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:18,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:18,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:18,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:18,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:18,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:18,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:18,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:18,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:18,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:22,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:22,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 23:22:22,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 23:22:22,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4666 [2020-10-27 23:22:22,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:22,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:22,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-27 23:22:22,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 23:22:22,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:22,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:22,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:22,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:22,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:22,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:22,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:22,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:22,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:22,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:22,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:22,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:22,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:22,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:22,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:22,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:22,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:22,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:22,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:22,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:22,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:22,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:22,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:22,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:22:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:22,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:22,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:22,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:22:22,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:22,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:22,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:22,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:22,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:22,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:22,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:22,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:22:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:22,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:22,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:22,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:22,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:22,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:22,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:22,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:22,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:22,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:22,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:22,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:22:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:22,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:22,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:22,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 23:22:22,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:22,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:22,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:22,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:22,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:22,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:22,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:22,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 23:22:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:22,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:22,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:22,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:22,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:22,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:22,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:22,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:22,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:22,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:22,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:22,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:22:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:22,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:22,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:22,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:22,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:22,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:22:22,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:22:22,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 23:22:22,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:22,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:22:22,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:22:22,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 23:22:22,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:22,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 23:22:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:22,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:22,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:22,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:22,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:22,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:22:22,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:22,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:22,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 23:22:22,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:22,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:22,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 23:22:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:22,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:22,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:22,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 23:22:22,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:22,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:22:22,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:22,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:22,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 23:22:22,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:22,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:23,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:23,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:23,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:23,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:23,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:23,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:23,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:23,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:23,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:23,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:23,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:23,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 23:22:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:23,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:23,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:23,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:23,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:23,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:23,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:23,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:23,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:23,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:23,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:23,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 23:22:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:23,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:23,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:23,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:22:23,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:23,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:22:23,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:23,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:22:23,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:23,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:23,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:23,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:23,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:23,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:23,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:23,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:23,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:23,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:23,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:23,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:23,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:23,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 23:22:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:23,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:23,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:23,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:23,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:23,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:23,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:23,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:23,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:22:23,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:23,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:23,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:23,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:23,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:23,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:23,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:23,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:23,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:23,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:23,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:23,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:23,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:23,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 23:22:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:23,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:23,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:23,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:22:23,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:23,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:23,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:23,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:23,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 23:22:23,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:23,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:23,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:23,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:23,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:23,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:23,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:23,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:23,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:23,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:23,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:23,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:23,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:23,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 23:22:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:23,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:23,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:23,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 23:22:23,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:23,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:22:23,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:23,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:23,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 23:22:23,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:23,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:23,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:22:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:23,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:23,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:23,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:23,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:23,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:23,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:23,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:23,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:23,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:23,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:23,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 23:22:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:23,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:23,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:23,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:23,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:23,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:23,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:23,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:23,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:23,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:23,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:23,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 23:22:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:23,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:23,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:23,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:23,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:23,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:23,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:23,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:23,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:23,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:23,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:23,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 23:22:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:23,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:23,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:23,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:23,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:23,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:23,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:23,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:23,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:23,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:23,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:23,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:22:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:23,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:23,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:23,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:23,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:23,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:23,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:23,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:23,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:23,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:23,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:23,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 23:22:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:23,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:23,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:23,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:23,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:23,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:23,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:23,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:23,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:23,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:23,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:23,275 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-10-27 23:22:23,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [669944888] [2020-10-27 23:22:23,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:22:23,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 23:22:23,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238764698] [2020-10-27 23:22:23,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:22:23,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:22:23,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:22:23,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:22:23,277 INFO L87 Difference]: Start difference. First operand 4636 states and 5974 transitions. Second operand 11 states. [2020-10-27 23:22:23,491 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 23:22:23,653 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-27 23:22:24,024 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 23:22:26,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:22:26,034 INFO L93 Difference]: Finished difference Result 9151 states and 11796 transitions. [2020-10-27 23:22:26,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:22:26,034 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 210 [2020-10-27 23:22:26,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:22:26,071 INFO L225 Difference]: With dead ends: 9151 [2020-10-27 23:22:26,071 INFO L226 Difference]: Without dead ends: 4636 [2020-10-27 23:22:26,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-27 23:22:26,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4636 states. [2020-10-27 23:22:26,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4636 to 4636. [2020-10-27 23:22:26,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4636 states. [2020-10-27 23:22:26,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4636 states to 4636 states and 5972 transitions. [2020-10-27 23:22:26,523 INFO L78 Accepts]: Start accepts. Automaton has 4636 states and 5972 transitions. Word has length 210 [2020-10-27 23:22:26,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:22:26,524 INFO L481 AbstractCegarLoop]: Abstraction has 4636 states and 5972 transitions. [2020-10-27 23:22:26,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:22:26,524 INFO L276 IsEmpty]: Start isEmpty. Operand 4636 states and 5972 transitions. [2020-10-27 23:22:26,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-10-27 23:22:26,534 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:22:26,534 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:22:26,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-27 23:22:26,534 INFO L429 AbstractCegarLoop]: === Iteration 24 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:22:26,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:22:26,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1008522582, now seen corresponding path program 1 times [2020-10-27 23:22:26,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:22:26,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [821564836] [2020-10-27 23:22:26,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:22:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:26,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:26,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:26,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:26,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:27,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:31,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 290 [2020-10-27 23:22:31,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 23:22:31,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 23:22:31,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:31,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:31,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-27 23:22:31,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 23:22:31,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:31,689 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:22:31,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:22:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:31,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:31,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:22:31,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:31,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:22:31,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:31,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:31,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:31,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:31,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:31,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:31,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:34,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:34,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-27 23:22:34,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:22:34,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2561 [2020-10-27 23:22:34,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:34,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:34,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-27 23:22:34,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 23:22:34,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:34,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:34,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:34,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:34,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:34,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:34,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:34,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:34,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:34,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:34,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:34,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:34,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:34,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:34,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:34,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:34,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:34,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:34,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:34,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:34,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:34,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:34,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:34,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:22:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:34,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:34,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:34,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:22:34,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:34,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:34,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:34,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:34,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:34,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:34,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:34,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:22:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:34,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:34,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:34,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:34,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:34,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:34,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:34,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:34,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:34,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:34,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:34,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:22:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:34,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:34,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:34,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 23:22:34,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:34,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:34,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:34,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:34,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:34,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:34,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:34,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 23:22:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:34,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:34,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:34,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:34,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:34,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:34,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:34,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:34,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:34,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:34,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:34,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:22:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:34,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:34,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:34,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 23:22:34,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:34,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 23:22:34,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:34,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:34,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:22:34,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 23:22:34,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:34,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:34,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:34,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:34,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:34,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:34,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:34,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:34,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:22:34,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:34,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:22:34,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:34,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 23:22:34,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:34,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:34,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:34,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:34,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:34,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:34,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:34,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:22:34,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:34,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:22:34,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:34,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 23:22:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:34,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:34,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:34,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:34,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:34,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:34,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:34,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:34,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 23:22:34,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:34,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:34,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 23:22:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:34,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:34,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:34,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 23:22:34,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:34,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:22:34,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:34,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:34,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 23:22:34,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:34,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:34,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:34,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:34,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:34,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:34,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:34,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:34,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:34,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:34,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:34,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:34,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:34,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 23:22:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:34,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:34,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:34,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:34,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:34,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:34,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:34,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:34,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:34,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:34,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:34,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 23:22:34,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:34,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:34,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:34,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:22:34,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:34,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:34,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:34,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:34,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:22:34,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:34,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:34,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:34,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:34,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:34,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:34,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:34,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:34,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:34,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:34,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:34,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:34,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:34,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 23:22:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:34,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:34,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:34,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:34,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:34,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:34,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:34,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:34,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:22:34,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:34,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:34,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:34,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:34,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:34,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:34,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:34,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:34,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:34,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:34,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:34,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:34,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:34,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-27 23:22:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:34,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:34,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:34,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:22:34,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:34,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:34,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:34,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:34,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 23:22:34,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:34,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:34,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:34,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:34,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:34,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:34,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:34,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:34,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:34,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:34,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:34,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:34,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:34,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-27 23:22:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:34,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:34,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:34,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 23:22:34,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:34,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:22:34,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:34,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:34,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 23:22:34,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:34,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:34,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:22:34,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:34,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:34,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:34,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:34,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:34,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:34,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:34,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:34,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:34,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:34,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:34,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 23:22:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:34,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:34,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:34,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:34,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:34,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:34,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:34,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:34,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:34,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:34,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:34,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 23:22:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:34,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:34,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:34,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:34,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:34,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:34,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:34,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:34,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:34,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:34,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:34,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 23:22:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:34,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:34,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:34,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:34,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:34,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:22:34,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:34,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:34,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:34,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:34,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:34,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:22:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:34,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:34,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:34,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:34,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:34,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:22:34,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:34,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:34,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:34,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:34,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:34,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 23:22:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:34,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:34,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:34,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:34,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:34,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:22:34,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:34,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:34,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:34,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:34,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:34,682 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 27 proven. 11 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2020-10-27 23:22:34,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [821564836] [2020-10-27 23:22:34,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:22:34,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 23:22:34,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506740333] [2020-10-27 23:22:34,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 23:22:34,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:22:34,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 23:22:34,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-10-27 23:22:34,684 INFO L87 Difference]: Start difference. First operand 4636 states and 5972 transitions. Second operand 12 states. [2020-10-27 23:22:34,854 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:35,020 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:35,285 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:37,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:22:37,453 INFO L93 Difference]: Finished difference Result 9296 states and 11982 transitions. [2020-10-27 23:22:37,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:22:37,453 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 226 [2020-10-27 23:22:37,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:22:37,469 INFO L225 Difference]: With dead ends: 9296 [2020-10-27 23:22:37,469 INFO L226 Difference]: Without dead ends: 4689 [2020-10-27 23:22:37,478 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=125, Invalid=255, Unknown=0, NotChecked=0, Total=380 [2020-10-27 23:22:37,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4689 states. [2020-10-27 23:22:38,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4689 to 4671. [2020-10-27 23:22:38,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4671 states. [2020-10-27 23:22:38,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4671 states to 4671 states and 6021 transitions. [2020-10-27 23:22:38,023 INFO L78 Accepts]: Start accepts. Automaton has 4671 states and 6021 transitions. Word has length 226 [2020-10-27 23:22:38,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:22:38,023 INFO L481 AbstractCegarLoop]: Abstraction has 4671 states and 6021 transitions. [2020-10-27 23:22:38,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 23:22:38,023 INFO L276 IsEmpty]: Start isEmpty. Operand 4671 states and 6021 transitions. [2020-10-27 23:22:38,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-27 23:22:38,036 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:22:38,037 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:22:38,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-27 23:22:38,037 INFO L429 AbstractCegarLoop]: === Iteration 25 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:22:38,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:22:38,038 INFO L82 PathProgramCache]: Analyzing trace with hash -1454316131, now seen corresponding path program 2 times [2020-10-27 23:22:38,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:22:38,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1093564508] [2020-10-27 23:22:38,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:22:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:38,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:38,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:38,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:38,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:38,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:38,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 306 [2020-10-27 23:22:43,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 23:22:43,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 23:22:43,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 23:22:43,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-27 23:22:43,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 188 [2020-10-27 23:22:43,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:43,212 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:22:43,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:22:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:22:43,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:43,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:43,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:43,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:43,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:43,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:43,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-27 23:22:48,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 23:22:48,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 23:22:48,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:48,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-27 23:22:48,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:22:48,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:48,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:48,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:48,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:48,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:48,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:48,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:48,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:48,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:48,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:48,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:48,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:48,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:48,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:48,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:48,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:48,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:48,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:22:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:48,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:22:48,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:48,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:48,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:48,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:48,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:48,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:48,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:22:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:48,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:48,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:48,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:48,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:48,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:48,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:48,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:48,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:22:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:48,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 23:22:48,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:48,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:22:48,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:22:48,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:48,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 23:22:48,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:48,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 23:22:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:48,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:48,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:48,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:48,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:48,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:48,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:48,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:48,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:22:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:48,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 23:22:48,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:48,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:48,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:48,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-27 23:22:48,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:48,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:48,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:48,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:48,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:48,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:48,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:48,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:48,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:48,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:48,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 23:22:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:48,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:48,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:48,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:48,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:48,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:48,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:48,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:48,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:22:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:48,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:48,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:48,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:48,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:48,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:48,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:48,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:48,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 23:22:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:48,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:48,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:48,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:48,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:22:48,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:48,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:22:48,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:48,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 23:22:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:48,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 23:22:48,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:48,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 23:22:48,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:22:48,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:48,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 23:22:48,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:48,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:48,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:48,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:48,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:48,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:48,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:48,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:48,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:48,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 23:22:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:48,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:48,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:48,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:48,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:48,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:48,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:48,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:48,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-27 23:22:48,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:48,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:22:48,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:48,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:22:48,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:22:48,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:48,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 23:22:48,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:48,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:48,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:48,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:48,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:48,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:48,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:48,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:48,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:48,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-27 23:22:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:48,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:48,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:48,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:22:48,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:22:48,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:48,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 23:22:48,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:48,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:48,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:48,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:48,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:48,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:48,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:48,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:48,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:48,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-27 23:22:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:48,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 23:22:48,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:48,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 23:22:48,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 23:22:48,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:22:48,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 23:22:48,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:48,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:48,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:48,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:48,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:48,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 23:22:48,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 23:22:48,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 23:22:48,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:22:48,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-27 23:22:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:48,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 23:22:48,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:48,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 23:22:48,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 23:22:48,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-27 23:22:48,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 23:22:48,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:48,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:22:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:48,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:48,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:48,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:48,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:48,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:48,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:48,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:48,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 23:22:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:48,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:48,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:48,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:48,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:48,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:48,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:48,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:48,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 23:22:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:48,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:48,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:48,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:48,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:48,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:48,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:48,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:48,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 23:22:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:48,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:48,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:48,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:48,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:22:48,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:48,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:22:48,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:48,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:22:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:48,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:48,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:48,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:48,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:22:48,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:48,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:22:48,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:48,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 23:22:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:48,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:48,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:48,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:48,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:48,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:48,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:48,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:22:48,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:48,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:22:48,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:48,870 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2020-10-27 23:22:48,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1093564508] [2020-10-27 23:22:48,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:22:48,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 23:22:48,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683871716] [2020-10-27 23:22:48,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 23:22:48,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:22:48,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 23:22:48,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2020-10-27 23:22:48,876 INFO L87 Difference]: Start difference. First operand 4671 states and 6021 transitions. Second operand 20 states. [2020-10-27 23:22:49,087 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:22:49,556 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:49,936 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:50,089 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:50,358 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:22:51,984 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:22:52,170 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:22:52,348 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 23:22:52,634 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 127