/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.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 23:19:11,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 23:19:11,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 23:19:11,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 23:19:11,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 23:19:11,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 23:19:11,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 23:19:11,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 23:19:11,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 23:19:11,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 23:19:11,662 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 23:19:11,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 23:19:11,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 23:19:11,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 23:19:11,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 23:19:11,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 23:19:11,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 23:19:11,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 23:19:11,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 23:19:11,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 23:19:11,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 23:19:11,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 23:19:11,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 23:19:11,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 23:19:11,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 23:19:11,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 23:19:11,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 23:19:11,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 23:19:11,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 23:19:11,704 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 23:19:11,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 23:19:11,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 23:19:11,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 23:19:11,708 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 23:19:11,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 23:19:11,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 23:19:11,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 23:19:11,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 23:19:11,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 23:19:11,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 23:19:11,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 23:19:11,715 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 23:19:11,743 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 23:19:11,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 23:19:11,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 23:19:11,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 23:19:11,746 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 23:19:11,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 23:19:11,746 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 23:19:11,747 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 23:19:11,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 23:19:11,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 23:19:11,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 23:19:11,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 23:19:11,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 23:19:11,748 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 23:19:11,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 23:19:11,748 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 23:19:11,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 23:19:11,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 23:19:11,749 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 23:19:11,749 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 23:19:11,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 23:19:11,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 23:19:11,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 23:19:11,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 23:19:11,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 23:19:11,751 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 23:19:11,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 23:19:11,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 23:19:11,752 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 23:19:11,752 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 23:19:12,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 23:19:12,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 23:19:12,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 23:19:12,168 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 23:19:12,169 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 23:19:12,170 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.UNBOUNDED.pals.c [2020-10-27 23:19:12,262 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7778bb49d/6105c18bd0f34ba092aaef61b002e4f5/FLAG92f656c8a [2020-10-27 23:19:12,982 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 23:19:12,983 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.UNBOUNDED.pals.c [2020-10-27 23:19:12,997 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7778bb49d/6105c18bd0f34ba092aaef61b002e4f5/FLAG92f656c8a [2020-10-27 23:19:13,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7778bb49d/6105c18bd0f34ba092aaef61b002e4f5 [2020-10-27 23:19:13,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 23:19:13,340 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 23:19:13,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 23:19:13,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 23:19:13,352 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 23:19:13,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 11:19:13" (1/1) ... [2020-10-27 23:19:13,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c27fddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:13, skipping insertion in model container [2020-10-27 23:19:13,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 11:19:13" (1/1) ... [2020-10-27 23:19:13,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 23:19:13,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 23:19:13,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 23:19:13,894 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 23:19:13,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 23:19:13,981 INFO L208 MainTranslator]: Completed translation [2020-10-27 23:19:13,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:13 WrapperNode [2020-10-27 23:19:13,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 23:19:13,983 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 23:19:13,983 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 23:19:13,983 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 23:19:14,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:13" (1/1) ... [2020-10-27 23:19:14,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:13" (1/1) ... [2020-10-27 23:19:14,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:13" (1/1) ... [2020-10-27 23:19:14,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:13" (1/1) ... [2020-10-27 23:19:14,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:13" (1/1) ... [2020-10-27 23:19:14,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:13" (1/1) ... [2020-10-27 23:19:14,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:13" (1/1) ... [2020-10-27 23:19:14,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 23:19:14,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 23:19:14,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 23:19:14,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 23:19:14,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:13" (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 23:19:14,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 23:19:14,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 23:19:14,172 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 23:19:14,172 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 23:19:14,172 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2020-10-27 23:19:14,173 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2020-10-27 23:19:14,173 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2020-10-27 23:19:14,174 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_int8 [2020-10-27 23:19:14,174 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2020-10-27 23:19:14,174 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-27 23:19:14,175 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-27 23:19:14,176 INFO L138 BoogieDeclarations]: Found implementation of procedure gate1_each_pals_period [2020-10-27 23:19:14,176 INFO L138 BoogieDeclarations]: Found implementation of procedure gate2_each_pals_period [2020-10-27 23:19:14,176 INFO L138 BoogieDeclarations]: Found implementation of procedure gate3_each_pals_period [2020-10-27 23:19:14,176 INFO L138 BoogieDeclarations]: Found implementation of procedure voter [2020-10-27 23:19:14,177 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 23:19:14,178 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-27 23:19:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 23:19:14,178 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 23:19:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 23:19:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 23:19:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-27 23:19:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-27 23:19:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-27 23:19:14,179 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-27 23:19:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 23:19:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-27 23:19:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2020-10-27 23:19:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2020-10-27 23:19:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2020-10-27 23:19:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_int8 [2020-10-27 23:19:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2020-10-27 23:19:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-27 23:19:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-27 23:19:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure gate1_each_pals_period [2020-10-27 23:19:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure gate2_each_pals_period [2020-10-27 23:19:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure gate3_each_pals_period [2020-10-27 23:19:14,182 INFO L130 BoogieDeclarations]: Found specification of procedure voter [2020-10-27 23:19:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 23:19:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 23:19:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 23:19:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 23:19:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 23:19:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 23:19:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 23:19:15,239 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 23:19:15,240 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-27 23:19:15,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 11:19:15 BoogieIcfgContainer [2020-10-27 23:19:15,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 23:19:15,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 23:19:15,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 23:19:15,248 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 23:19:15,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 11:19:13" (1/3) ... [2020-10-27 23:19:15,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73435fc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 11:19:15, skipping insertion in model container [2020-10-27 23:19:15,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 11:19:13" (2/3) ... [2020-10-27 23:19:15,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73435fc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 11:19:15, skipping insertion in model container [2020-10-27 23:19:15,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 11:19:15" (3/3) ... [2020-10-27 23:19:15,251 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.1.ufo.UNBOUNDED.pals.c [2020-10-27 23:19:15,263 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 23:19:15,269 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 23:19:15,285 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 23:19:15,316 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 23:19:15,316 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 23:19:15,316 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 23:19:15,316 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 23:19:15,316 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 23:19:15,317 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 23:19:15,317 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 23:19:15,317 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 23:19:15,341 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-27 23:19:15,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-27 23:19:15,349 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:15,350 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 23:19:15,351 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:15,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:15,358 INFO L82 PathProgramCache]: Analyzing trace with hash 491876351, now seen corresponding path program 1 times [2020-10-27 23:19:15,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:15,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1398791168] [2020-10-27 23:19:15,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:15,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:16,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:16,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 23:19:16,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:16,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 516 [2020-10-27 23:19:16,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:16,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:16,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 23:19:16,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 23:19:16,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 23:19:16,462 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:16,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:16,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:16,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:16,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:16,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:16,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 23:19:16,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:16,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:16,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:16,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:16,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:19:16,540 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 23:19:16,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1398791168] [2020-10-27 23:19:16,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:16,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 23:19:16,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106691693] [2020-10-27 23:19:16,552 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 23:19:16,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:16,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 23:19:16,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 23:19:16,576 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 5 states. [2020-10-27 23:19:16,919 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:17,185 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 23:19:17,423 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 23:19:19,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:19,250 INFO L93 Difference]: Finished difference Result 433 states and 712 transitions. [2020-10-27 23:19:19,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 23:19:19,257 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-27 23:19:19,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:19,282 INFO L225 Difference]: With dead ends: 433 [2020-10-27 23:19:19,283 INFO L226 Difference]: Without dead ends: 223 [2020-10-27 23:19:19,291 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-27 23:19:19,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-10-27 23:19:19,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 217. [2020-10-27 23:19:19,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-10-27 23:19:19,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 324 transitions. [2020-10-27 23:19:19,395 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 324 transitions. Word has length 22 [2020-10-27 23:19:19,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:19,396 INFO L481 AbstractCegarLoop]: Abstraction has 217 states and 324 transitions. [2020-10-27 23:19:19,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 23:19:19,396 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 324 transitions. [2020-10-27 23:19:19,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-27 23:19:19,399 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:19,400 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 23:19:19,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 23:19:19,400 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:19,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:19,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1752125348, now seen corresponding path program 1 times [2020-10-27 23:19:19,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:19,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1641778422] [2020-10-27 23:19:19,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:19,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:19,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:19,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:20,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:20,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 23:19:20,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:19:20,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 600 [2020-10-27 23:19:20,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:20,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:20,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 23:19:20,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 23:19:20,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:19:20,307 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:20,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:20,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:20,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:20,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:20,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:20,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 23:19:20,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:20,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:20,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:20,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:20,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:20,340 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 23:19:20,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1641778422] [2020-10-27 23:19:20,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:20,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 23:19:20,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338852601] [2020-10-27 23:19:20,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 23:19:20,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:20,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 23:19:20,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 23:19:20,345 INFO L87 Difference]: Start difference. First operand 217 states and 324 transitions. Second operand 5 states. [2020-10-27 23:19:20,659 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:20,882 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 23:19:22,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:22,326 INFO L93 Difference]: Finished difference Result 427 states and 656 transitions. [2020-10-27 23:19:22,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 23:19:22,328 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-27 23:19:22,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:22,335 INFO L225 Difference]: With dead ends: 427 [2020-10-27 23:19:22,336 INFO L226 Difference]: Without dead ends: 219 [2020-10-27 23:19:22,339 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-27 23:19:22,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-10-27 23:19:22,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 215. [2020-10-27 23:19:22,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-10-27 23:19:22,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 320 transitions. [2020-10-27 23:19:22,392 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 320 transitions. Word has length 23 [2020-10-27 23:19:22,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:22,393 INFO L481 AbstractCegarLoop]: Abstraction has 215 states and 320 transitions. [2020-10-27 23:19:22,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 23:19:22,393 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 320 transitions. [2020-10-27 23:19:22,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-27 23:19:22,395 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:22,395 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 23:19:22,395 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 23:19:22,395 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:22,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:22,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1196493101, now seen corresponding path program 1 times [2020-10-27 23:19:22,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:22,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1414717844] [2020-10-27 23:19:22,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:22,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:22,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:22,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:22,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:22,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 23:19:22,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:19:22,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 512 [2020-10-27 23:19:22,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:22,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:22,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-27 23:19:22,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:19:22,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:23,146 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:23,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:23,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:23,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:23,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:23,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:23,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 23:19:23,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:23,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:23,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:23,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:23,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:23,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 23:19:23,177 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1414717844] [2020-10-27 23:19:23,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:23,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 23:19:23,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427767295] [2020-10-27 23:19:23,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 23:19:23,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:23,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 23:19:23,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 23:19:23,180 INFO L87 Difference]: Start difference. First operand 215 states and 320 transitions. Second operand 5 states. [2020-10-27 23:19:23,451 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:23,638 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 23:19:23,955 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:25,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:25,421 INFO L93 Difference]: Finished difference Result 434 states and 658 transitions. [2020-10-27 23:19:25,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 23:19:25,421 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-27 23:19:25,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:25,425 INFO L225 Difference]: With dead ends: 434 [2020-10-27 23:19:25,425 INFO L226 Difference]: Without dead ends: 228 [2020-10-27 23:19:25,427 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-27 23:19:25,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-10-27 23:19:25,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 222. [2020-10-27 23:19:25,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-10-27 23:19:25,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 328 transitions. [2020-10-27 23:19:25,483 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 328 transitions. Word has length 23 [2020-10-27 23:19:25,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:25,487 INFO L481 AbstractCegarLoop]: Abstraction has 222 states and 328 transitions. [2020-10-27 23:19:25,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 23:19:25,488 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 328 transitions. [2020-10-27 23:19:25,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-27 23:19:25,493 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:25,493 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 23:19:25,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 23:19:25,494 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:25,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:25,495 INFO L82 PathProgramCache]: Analyzing trace with hash -1382058618, now seen corresponding path program 1 times [2020-10-27 23:19:25,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:25,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1141821009] [2020-10-27 23:19:25,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:25,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:25,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:25,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:25,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:26,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:26,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 23:19:26,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:19:26,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 561 [2020-10-27 23:19:26,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:26,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:26,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 23:19:26,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:19:26,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:26,296 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:26,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:26,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:26,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:26,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:26,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:26,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 23:19:26,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:26,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:26,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:26,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:26,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:26,324 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 23:19:26,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1141821009] [2020-10-27 23:19:26,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:26,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 23:19:26,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740555621] [2020-10-27 23:19:26,325 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 23:19:26,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:26,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 23:19:26,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-27 23:19:26,327 INFO L87 Difference]: Start difference. First operand 222 states and 328 transitions. Second operand 5 states. [2020-10-27 23:19:26,590 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:19:26,770 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:19:28,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:28,118 INFO L93 Difference]: Finished difference Result 433 states and 649 transitions. [2020-10-27 23:19:28,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 23:19:28,118 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-27 23:19:28,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:28,123 INFO L225 Difference]: With dead ends: 433 [2020-10-27 23:19:28,123 INFO L226 Difference]: Without dead ends: 220 [2020-10-27 23:19:28,125 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 23:19:28,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2020-10-27 23:19:28,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 216. [2020-10-27 23:19:28,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-10-27 23:19:28,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 314 transitions. [2020-10-27 23:19:28,157 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 314 transitions. Word has length 24 [2020-10-27 23:19:28,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:28,157 INFO L481 AbstractCegarLoop]: Abstraction has 216 states and 314 transitions. [2020-10-27 23:19:28,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 23:19:28,158 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 314 transitions. [2020-10-27 23:19:28,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-27 23:19:28,160 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:28,160 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 23:19:28,160 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 23:19:28,160 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:28,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:28,161 INFO L82 PathProgramCache]: Analyzing trace with hash 37815059, now seen corresponding path program 1 times [2020-10-27 23:19:28,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:28,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [952242259] [2020-10-27 23:19:28,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:28,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:28,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:28,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:28,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:33,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:33,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 23:19:33,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:19:33,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 23:19:33,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:33,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:33,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-27 23:19:33,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 23:19:33,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:33,415 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:33,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:33,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:33,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:33,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:33,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:33,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 23:19:33,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:33,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:33,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:33,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:33,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:33,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:19:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:33,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:33,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:33,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:33,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:33,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:19:33,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:19:33,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 23:19:33,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:33,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:19:33,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:19:33,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:19:33,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:33,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:33,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:33,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:33,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:33,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:33,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:19:33,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 23:19:33,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:33,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:19:33,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:19:33,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 23:19:33,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:33,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 23:19:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:33,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:33,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:33,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:33,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:33,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:19:33,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:33,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:33,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:33,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:33,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:33,584 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 23:19:33,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [952242259] [2020-10-27 23:19:33,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:33,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 23:19:33,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13277614] [2020-10-27 23:19:33,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 23:19:33,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:33,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 23:19:33,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 23:19:33,587 INFO L87 Difference]: Start difference. First operand 216 states and 314 transitions. Second operand 8 states. [2020-10-27 23:19:33,804 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:19:34,544 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:34,719 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 23:19:36,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:36,053 INFO L93 Difference]: Finished difference Result 453 states and 672 transitions. [2020-10-27 23:19:36,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 23:19:36,054 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 38 [2020-10-27 23:19:36,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:36,061 INFO L225 Difference]: With dead ends: 453 [2020-10-27 23:19:36,061 INFO L226 Difference]: Without dead ends: 246 [2020-10-27 23:19:36,067 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-10-27 23:19:36,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-10-27 23:19:36,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 221. [2020-10-27 23:19:36,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-10-27 23:19:36,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 318 transitions. [2020-10-27 23:19:36,117 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 318 transitions. Word has length 38 [2020-10-27 23:19:36,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:36,118 INFO L481 AbstractCegarLoop]: Abstraction has 221 states and 318 transitions. [2020-10-27 23:19:36,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 23:19:36,118 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 318 transitions. [2020-10-27 23:19:36,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-27 23:19:36,124 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:36,125 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 23:19:36,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 23:19:36,125 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:36,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:36,126 INFO L82 PathProgramCache]: Analyzing trace with hash -6504694, now seen corresponding path program 1 times [2020-10-27 23:19:36,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:36,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1148850698] [2020-10-27 23:19:36,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:36,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:36,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:36,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:36,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:37,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:41,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:41,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 23:19:41,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 23:19:41,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 23:19:41,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:41,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:41,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-27 23:19:41,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:19:41,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:41,348 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:41,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:41,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:41,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:41,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:41,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:41,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 23:19:41,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:41,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:41,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:41,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:41,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:41,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:19:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:41,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:41,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:41,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:41,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:41,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:41,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 23:19:41,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:19:41,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-27 23:19:41,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:41,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:19:41,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 23:19:41,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:19:41,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:41,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:41,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:41,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:41,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:41,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:41,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:19:41,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:19:41,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 23:19:41,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:41,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:41,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:19:41,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 23:19:41,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:41,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 23:19:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:41,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:41,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:41,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:41,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:41,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:19:41,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:41,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:41,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:41,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:41,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:41,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 23:19:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:41,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:41,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:41,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:19:41,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:41,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:19:41,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:41,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:41,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:41,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:41,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:41,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:41,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:41,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:41,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:41,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:41,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:19:41,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:41,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:41,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:41,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:41,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:41,736 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 23:19:41,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1148850698] [2020-10-27 23:19:41,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:19:41,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 23:19:41,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784659050] [2020-10-27 23:19:41,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:19:41,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:41,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:19:41,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:19:41,740 INFO L87 Difference]: Start difference. First operand 221 states and 318 transitions. Second operand 11 states. [2020-10-27 23:19:41,949 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:19:42,115 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 23:19:42,783 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:43,139 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:19:43,328 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:19:45,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:45,054 INFO L93 Difference]: Finished difference Result 463 states and 671 transitions. [2020-10-27 23:19:45,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:19:45,055 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 56 [2020-10-27 23:19:45,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:45,058 INFO L225 Difference]: With dead ends: 463 [2020-10-27 23:19:45,058 INFO L226 Difference]: Without dead ends: 251 [2020-10-27 23:19:45,061 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2020-10-27 23:19:45,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-10-27 23:19:45,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 234. [2020-10-27 23:19:45,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-27 23:19:45,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 330 transitions. [2020-10-27 23:19:45,111 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 330 transitions. Word has length 56 [2020-10-27 23:19:45,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:45,114 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 330 transitions. [2020-10-27 23:19:45,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:19:45,114 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 330 transitions. [2020-10-27 23:19:45,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-27 23:19:45,117 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:45,117 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 23:19:45,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 23:19:45,118 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:45,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:45,118 INFO L82 PathProgramCache]: Analyzing trace with hash 664753816, now seen corresponding path program 1 times [2020-10-27 23:19:45,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:45,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1210992285] [2020-10-27 23:19:45,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:45,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:45,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:45,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:45,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-27 23:19:45,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:19:45,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 838 [2020-10-27 23:19:45,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:45,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:45,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-27 23:19:45,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:19:45,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:46,207 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:46,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:46,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:46,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:46,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:46,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:46,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:19:46,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:46,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:46,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:46,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:46,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:46,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:19:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:46,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:46,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:46,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:19:46,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:46,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:19:46,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:46,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:46,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:46,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:46,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:46,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:46,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:46,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:46,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:46,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:19:46,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:46,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:19:46,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:46,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:46,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:46,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:46,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:46,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:19:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:46,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:46,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:46,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:46,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:46,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:19:46,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:46,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:46,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:46,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:46,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:46,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:19:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:46,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:46,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:46,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:46,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:46,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:19:46,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:46,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:46,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:46,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:46,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:46,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:19:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:46,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:46,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:46,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:19:46,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:46,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:19:46,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:46,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:46,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:46,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:46,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 23:19:46,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:46,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:46,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:46,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:46,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:46,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:19:46,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:46,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:46,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:46,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:46,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:46,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 23:19:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:46,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:46,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:46,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:19:46,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:46,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:19:46,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:46,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:46,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:46,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:46,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:46,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:46,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:46,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:46,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:46,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:46,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:19:46,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:46,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:46,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:46,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:46,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:46,436 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 23:19:46,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1210992285] [2020-10-27 23:19:46,437 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:19:46,437 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 23:19:46,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845353721] [2020-10-27 23:19:46,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 23:19:46,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:46,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 23:19:46,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-27 23:19:46,444 INFO L87 Difference]: Start difference. First operand 234 states and 330 transitions. Second operand 8 states. [2020-10-27 23:19:47,263 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:47,463 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 23:19:48,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:48,531 INFO L93 Difference]: Finished difference Result 413 states and 585 transitions. [2020-10-27 23:19:48,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 23:19:48,532 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 71 [2020-10-27 23:19:48,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:48,534 INFO L225 Difference]: With dead ends: 413 [2020-10-27 23:19:48,534 INFO L226 Difference]: Without dead ends: 235 [2020-10-27 23:19:48,537 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-10-27 23:19:48,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-10-27 23:19:48,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 233. [2020-10-27 23:19:48,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-27 23:19:48,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 325 transitions. [2020-10-27 23:19:48,571 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 325 transitions. Word has length 71 [2020-10-27 23:19:48,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:48,572 INFO L481 AbstractCegarLoop]: Abstraction has 233 states and 325 transitions. [2020-10-27 23:19:48,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 23:19:48,572 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 325 transitions. [2020-10-27 23:19:48,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-27 23:19:48,574 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:48,574 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] [2020-10-27 23:19:48,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 23:19:48,575 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:48,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:48,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1615253298, now seen corresponding path program 1 times [2020-10-27 23:19:48,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:48,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [609298096] [2020-10-27 23:19:48,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:48,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:48,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:49,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:49,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-27 23:19:49,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:19:49,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 732 [2020-10-27 23:19:49,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:49,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:49,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-27 23:19:49,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 23:19:49,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:49,575 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:49,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:49,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:49,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:49,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:49,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:49,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:19:49,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:49,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:49,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:49,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:49,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:49,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:19:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:49,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:49,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:49,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:19:49,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:49,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:19:49,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:49,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:49,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:49,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:49,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:49,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:49,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:49,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:49,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:19:49,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:49,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:19:49,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:49,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:49,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:49,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:49,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:49,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:19:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:49,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:49,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:49,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:49,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:49,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:19:49,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:49,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:49,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:49,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:49,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:49,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:19:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:49,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:49,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:49,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:49,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:49,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:19:49,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:49,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:49,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:49,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:49,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:49,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:19:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:49,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:49,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:49,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:19:49,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:49,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:19:49,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:49,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:49,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:49,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:49,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:49,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:49,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:49,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:49,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:49,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:49,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:19:49,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:49,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:49,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:49,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:49,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:49,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 23:19:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:49,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:49,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:49,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:19:49,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:49,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:19:49,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:49,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:49,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:49,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:49,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:49,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:49,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:49,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:49,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:49,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:49,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:49,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:19:49,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:49,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:49,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:49,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:49,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:49,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 23:19:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:49,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:49,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:49,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:19:49,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:49,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 23:19:49,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:49,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:49,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:49,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:49,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:49,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:49,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:49,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:49,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:19:49,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:49,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:19:49,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:49,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:49,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:49,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:49,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:49,870 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 23:19:49,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [609298096] [2020-10-27 23:19:49,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:49,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 23:19:49,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595425706] [2020-10-27 23:19:49,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 23:19:49,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:49,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 23:19:49,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-27 23:19:49,873 INFO L87 Difference]: Start difference. First operand 233 states and 325 transitions. Second operand 9 states. [2020-10-27 23:19:50,862 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:19:51,050 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 23:19:52,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:19:52,064 INFO L93 Difference]: Finished difference Result 409 states and 573 transitions. [2020-10-27 23:19:52,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 23:19:52,065 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-10-27 23:19:52,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:19:52,068 INFO L225 Difference]: With dead ends: 409 [2020-10-27 23:19:52,069 INFO L226 Difference]: Without dead ends: 232 [2020-10-27 23:19:52,070 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2020-10-27 23:19:52,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-10-27 23:19:52,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2020-10-27 23:19:52,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-10-27 23:19:52,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 322 transitions. [2020-10-27 23:19:52,103 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 322 transitions. Word has length 84 [2020-10-27 23:19:52,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:19:52,104 INFO L481 AbstractCegarLoop]: Abstraction has 232 states and 322 transitions. [2020-10-27 23:19:52,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 23:19:52,104 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 322 transitions. [2020-10-27 23:19:52,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-27 23:19:52,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:19:52,106 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, 1] [2020-10-27 23:19:52,106 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 23:19:52,106 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:19:52,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:19:52,107 INFO L82 PathProgramCache]: Analyzing trace with hash -770213472, now seen corresponding path program 1 times [2020-10-27 23:19:52,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:19:52,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1418581417] [2020-10-27 23:19:52,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:19:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:52,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:52,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:52,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:52,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:53,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:53,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:53,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:57,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:57,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-27 23:19:57,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 23:19:57,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 23:19:57,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:57,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:19:57,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-27 23:19:57,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 23:19:57,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:57,328 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:19:57,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:19:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:57,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:57,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:57,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:19:57,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:57,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:19:57,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:57,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:57,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:57,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:57,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:57,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:19:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:57,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:57,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:57,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:19:57,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:57,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:19:57,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:57,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:57,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:57,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:57,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:57,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:57,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:57,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:57,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:57,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:19:57,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:57,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:19:57,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:57,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:57,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:57,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:57,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:57,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:19:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:57,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:57,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:57,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:57,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:57,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:19:57,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:57,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:57,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:57,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:57,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:57,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:19:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:57,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:57,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:57,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:57,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:57,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:19:57,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:57,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:57,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:57,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:57,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:57,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:19:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:57,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:57,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:57,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:19:57,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:57,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:19:57,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:57,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:57,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:57,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:57,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:57,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:57,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:57,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:57,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:19:57,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:57,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:19:57,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:57,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:57,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:57,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:57,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:57,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 23:19:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:57,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:57,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:57,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:19:57,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:57,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:19:57,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:57,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:57,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:57,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:57,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:57,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:57,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:57,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:57,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:19:57,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:57,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:19:57,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:57,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:57,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:57,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:57,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:57,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 23:19:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:57,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:57,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:57,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:19:57,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:57,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:19:57,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:57,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:57,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:57,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:57,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:57,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:19:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:19:57,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:19:57,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:19:57,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:19:57,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:19:57,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:19:57,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:19:57,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:19:57,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:19:57,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:19:57,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:19:57,613 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 23:19:57,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1418581417] [2020-10-27 23:19:57,613 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:19:57,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 23:19:57,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294927413] [2020-10-27 23:19:57,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 23:19:57,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:19:57,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 23:19:57,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-27 23:19:57,615 INFO L87 Difference]: Start difference. First operand 232 states and 322 transitions. Second operand 9 states. [2020-10-27 23:19:57,783 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:19:58,779 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:19:59,064 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:20:01,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:01,729 INFO L93 Difference]: Finished difference Result 740 states and 1029 transitions. [2020-10-27 23:20:01,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 23:20:01,729 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 86 [2020-10-27 23:20:01,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:01,735 INFO L225 Difference]: With dead ends: 740 [2020-10-27 23:20:01,735 INFO L226 Difference]: Without dead ends: 564 [2020-10-27 23:20:01,737 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=191, Invalid=409, Unknown=0, NotChecked=0, Total=600 [2020-10-27 23:20:01,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-10-27 23:20:01,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 554. [2020-10-27 23:20:01,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2020-10-27 23:20:01,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 762 transitions. [2020-10-27 23:20:01,801 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 762 transitions. Word has length 86 [2020-10-27 23:20:01,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:01,802 INFO L481 AbstractCegarLoop]: Abstraction has 554 states and 762 transitions. [2020-10-27 23:20:01,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 23:20:01,802 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 762 transitions. [2020-10-27 23:20:01,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-27 23:20:01,804 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:01,805 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] [2020-10-27 23:20:01,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 23:20:01,805 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:01,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:01,805 INFO L82 PathProgramCache]: Analyzing trace with hash -565545597, now seen corresponding path program 1 times [2020-10-27 23:20:01,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:01,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [139284178] [2020-10-27 23:20:01,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:01,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:01,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:01,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:02,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:03,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:03,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:06,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:06,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-27 23:20:06,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 23:20:06,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 23:20:06,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:06,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:06,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 137 [2020-10-27 23:20:06,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:20:06,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,010 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:20:07,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:07,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:20:07,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:07,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:07,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:07,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:07,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:07,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:07,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:07,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:07,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:07,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:07,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:20:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:07,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:07,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:07,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:20:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:20:07,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 23:20:07,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:07,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:07,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:07,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:07,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 23:20:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:20:07,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:20:07,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:07,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:07,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:07,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:07,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 23:20:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:07,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:20:07,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:07,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:07,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:20:07,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:07,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:20:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:20:07,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:20:07,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:07,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:20:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:07,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:07,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:07,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 23:20:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 23:20:07,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:20:07,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-27 23:20:07,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:07,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 23:20:07,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:20:07,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:20:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:07,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:07,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:07,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 23:20:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:07,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:20:07,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 23:20:07,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:07,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:20:07,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:20:07,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 23:20:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:07,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:07,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:07,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:20:07,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:20:07,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 23:20:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:07,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:07,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:07,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:07,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:07,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:07,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:07,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:07,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 23:20:07,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:07,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:07,665 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 23:20:07,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [139284178] [2020-10-27 23:20:07,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:20:07,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 23:20:07,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728314945] [2020-10-27 23:20:07,667 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 23:20:07,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:20:07,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 23:20:07,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-27 23:20:07,670 INFO L87 Difference]: Start difference. First operand 554 states and 762 transitions. Second operand 13 states. [2020-10-27 23:20:07,931 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:20:08,121 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:20:08,328 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:20:08,532 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:20:09,979 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:20:10,215 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:20:11,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:11,267 INFO L93 Difference]: Finished difference Result 1103 states and 1523 transitions. [2020-10-27 23:20:11,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 23:20:11,268 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 125 [2020-10-27 23:20:11,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:11,274 INFO L225 Difference]: With dead ends: 1103 [2020-10-27 23:20:11,275 INFO L226 Difference]: Without dead ends: 593 [2020-10-27 23:20:11,277 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2020-10-27 23:20:11,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-10-27 23:20:11,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 593. [2020-10-27 23:20:11,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2020-10-27 23:20:11,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 801 transitions. [2020-10-27 23:20:11,348 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 801 transitions. Word has length 125 [2020-10-27 23:20:11,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:11,350 INFO L481 AbstractCegarLoop]: Abstraction has 593 states and 801 transitions. [2020-10-27 23:20:11,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 23:20:11,350 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 801 transitions. [2020-10-27 23:20:11,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-27 23:20:11,353 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:11,353 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] [2020-10-27 23:20:11,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 23:20:11,353 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:11,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:11,354 INFO L82 PathProgramCache]: Analyzing trace with hash -592691387, now seen corresponding path program 1 times [2020-10-27 23:20:11,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:11,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [484453995] [2020-10-27 23:20:11,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:11,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:11,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:11,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:13,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:13,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-27 23:20:13,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:20:13,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2000 [2020-10-27 23:20:13,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:13,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 23:20:13,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 158 [2020-10-27 23:20:13,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 23:20:13,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:13,600 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:20:13,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:13,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:13,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:13,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:13,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:13,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 23:20:13,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:13,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:13,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:13,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:13,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:13,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:13,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:13,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:13,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:13,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:13,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 23:20:13,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:13,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:13,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:13,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:13,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:13,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:13,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:13,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:13,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:13,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:13,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:13,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:13,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:13,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:13,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:13,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:13,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:13,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:13,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:13,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:13,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:13,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:13,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:13,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:13,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:13,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:13,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:13,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:20:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:13,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:13,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:13,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:13,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:13,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:13,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:13,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:13,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:13,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:13,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:13,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:20:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:13,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:13,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:13,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:20:13,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:13,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:20:13,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:13,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:13,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:13,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:13,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:13,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:13,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:13,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:13,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:13,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:13,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:13,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:13,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:13,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:13,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:13,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:13,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 23:20:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:13,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:13,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:13,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:20:13,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:13,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:20:13,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:13,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:13,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:13,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:13,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:13,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:13,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:13,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:13,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:13,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:13,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:13,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:13,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:13,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:13,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:13,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:13,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 23:20:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:13,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:13,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:13,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:13,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:13,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:20:13,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:13,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:13,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:13,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:13,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:13,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:13,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:13,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:13,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:13,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:13,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:13,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:13,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:13,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:13,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:13,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:13,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:20:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:13,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:13,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:13,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:20:13,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:13,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:13,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:13,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:13,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:13,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:13,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:14,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:20:14,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:14,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:14,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:14,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:14,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:14,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:14,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:14,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:14,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:14,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:14,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:14,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 23:20:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:14,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:14,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:14,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 23:20:14,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:14,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 23:20:14,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:14,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:14,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:14,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 23:20:14,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:14,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:20:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:14,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:14,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:14,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:14,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:14,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:14,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:14,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:14,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:14,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:14,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:14,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 23:20:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:14,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:14,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:14,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:14,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:14,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:14,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:14,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:14,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:14,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:14,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:14,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 23:20:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:14,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:14,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:14,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:14,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:14,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:14,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:14,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:14,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:14,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:14,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:14,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 23:20:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:14,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:14,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:14,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:14,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:14,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:14,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:14,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:14,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:14,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:14,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:14,137 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 23:20:14,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [484453995] [2020-10-27 23:20:14,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:20:14,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 23:20:14,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395348147] [2020-10-27 23:20:14,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 23:20:14,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:20:14,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 23:20:14,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-27 23:20:14,142 INFO L87 Difference]: Start difference. First operand 593 states and 801 transitions. Second operand 14 states. [2020-10-27 23:20:16,250 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:20:16,450 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:20:16,642 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 23:20:17,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:17,459 INFO L93 Difference]: Finished difference Result 645 states and 876 transitions. [2020-10-27 23:20:17,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 23:20:17,459 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 127 [2020-10-27 23:20:17,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:17,464 INFO L225 Difference]: With dead ends: 645 [2020-10-27 23:20:17,464 INFO L226 Difference]: Without dead ends: 642 [2020-10-27 23:20:17,465 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2020-10-27 23:20:17,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2020-10-27 23:20:17,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 617. [2020-10-27 23:20:17,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2020-10-27 23:20:17,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 826 transitions. [2020-10-27 23:20:17,532 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 826 transitions. Word has length 127 [2020-10-27 23:20:17,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:17,532 INFO L481 AbstractCegarLoop]: Abstraction has 617 states and 826 transitions. [2020-10-27 23:20:17,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 23:20:17,533 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 826 transitions. [2020-10-27 23:20:17,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-27 23:20:17,535 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:17,536 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] [2020-10-27 23:20:17,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 23:20:17,536 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:17,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:17,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1581016501, now seen corresponding path program 1 times [2020-10-27 23:20:17,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:17,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [989707653] [2020-10-27 23:20:17,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:17,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:17,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:17,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:18,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:22,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:22,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-27 23:20:22,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:20:22,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 23:20:22,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:22,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 23:20:22,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 132 [2020-10-27 23:20:22,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 23:20:22,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:22,787 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:20:22,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:22,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:22,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:22,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:22,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:22,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:20:22,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:22,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:22,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:22,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:22,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:22,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:22,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:22,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:22,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:22,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:22,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:22,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:22,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:22,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:22,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:22,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:22,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:22,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:22,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:22,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:22,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:22,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:22,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:22,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:22,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:22,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:22,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:22,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:22,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:22,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:22,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:22,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:22,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:22,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:22,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:22,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:22,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:22,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:22,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:20:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:22,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:22,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:22,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:22,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:22,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:22,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:22,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:22,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:22,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:22,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:22,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:20:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:22,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:22,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:22,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:20:22,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:22,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:20:22,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:22,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:22,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:22,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:22,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:22,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:22,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:22,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:22,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:22,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:22,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:22,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:22,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:22,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:22,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:22,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:22,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 23:20:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:22,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:22,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:22,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:20:22,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:23,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:20:23,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:23,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:23,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:23,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:23,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:23,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:23,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:23,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:23,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:23,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:23,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:23,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:23,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:23,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:23,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:23,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:23,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:23,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 23:20:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:23,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:23,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:23,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:23,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:23,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:20:23,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:23,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:23,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:23,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:23,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:23,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:23,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:23,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:23,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:23,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:23,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:23,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:23,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:23,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:23,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:23,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:23,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:20:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:23,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:23,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:23,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:20:23,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:23,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:20:23,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:23,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:23,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:23,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:23,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:23,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:20:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:23,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:23,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:23,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:23,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:23,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:23,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:23,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:23,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:23,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:23,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:20:23,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 23:20:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:23,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:23,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:23,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 23:20:23,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:23,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 23:20:23,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:23,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 23:20:23,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:20:23,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-27 23:20:23,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:23,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:20:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:23,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:23,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:23,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:23,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:23,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:23,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:23,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:23,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:23,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:23,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:23,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 23:20:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:23,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:23,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:23,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:23,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:23,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:23,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:23,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:23,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:23,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:20:23,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:23,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 23:20:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:23,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:23,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:23,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:23,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:23,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:23,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:23,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:23,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:23,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:23,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:23,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 23:20:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:23,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:23,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:23,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:23,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:23,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:23,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:23,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:23,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:23,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:20:23,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:23,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 23:20:23,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:23,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:23,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:23,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:23,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:23,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:20:23,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:23,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:20:23,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:23,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:23,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:23,449 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 23:20:23,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [989707653] [2020-10-27 23:20:23,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:20:23,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-27 23:20:23,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224674726] [2020-10-27 23:20:23,450 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 23:20:23,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:20:23,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 23:20:23,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-10-27 23:20:23,451 INFO L87 Difference]: Start difference. First operand 617 states and 826 transitions. Second operand 15 states. [2020-10-27 23:20:23,850 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:20:25,584 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:20:25,775 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 23:20:25,964 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-27 23:20:26,161 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 23:20:26,823 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-27 23:20:27,049 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-27 23:20:27,282 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-27 23:20:28,529 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 23:20:29,435 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 23:20:30,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:30,177 INFO L93 Difference]: Finished difference Result 1755 states and 2403 transitions. [2020-10-27 23:20:30,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 23:20:30,178 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 135 [2020-10-27 23:20:30,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:30,188 INFO L225 Difference]: With dead ends: 1755 [2020-10-27 23:20:30,188 INFO L226 Difference]: Without dead ends: 1203 [2020-10-27 23:20:30,191 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=262, Invalid=668, Unknown=0, NotChecked=0, Total=930 [2020-10-27 23:20:30,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2020-10-27 23:20:30,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 822. [2020-10-27 23:20:30,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 822 states. [2020-10-27 23:20:30,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 1095 transitions. [2020-10-27 23:20:30,298 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 1095 transitions. Word has length 135 [2020-10-27 23:20:30,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:30,298 INFO L481 AbstractCegarLoop]: Abstraction has 822 states and 1095 transitions. [2020-10-27 23:20:30,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 23:20:30,299 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1095 transitions. [2020-10-27 23:20:30,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-27 23:20:30,302 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:30,302 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] [2020-10-27 23:20:30,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 23:20:30,303 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:30,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:30,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1287613494, now seen corresponding path program 1 times [2020-10-27 23:20:30,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:30,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [361583375] [2020-10-27 23:20:30,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:30,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:30,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:30,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:31,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:31,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-27 23:20:31,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:20:31,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1226 [2020-10-27 23:20:31,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:31,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:31,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 159 [2020-10-27 23:20:31,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:20:31,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:31,728 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:20:31,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:31,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:31,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:31,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:31,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:31,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:20:31,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:31,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:31,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:31,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:31,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:31,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:31,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:31,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:31,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:31,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:31,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:31,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:31,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:31,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:31,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:31,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:31,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:31,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:31,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:31,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:31,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:31,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:31,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:31,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:31,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:31,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:31,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:31,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:31,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:31,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:31,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:31,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:31,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:31,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:31,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:31,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:31,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:31,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:31,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:31,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:20:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:31,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:31,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:31,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:31,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:31,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:31,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:31,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:31,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:31,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:31,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:31,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:20:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:31,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:31,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:31,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:20:31,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:31,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:31,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:31,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:31,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:31,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:31,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:31,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:31,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:31,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:31,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:31,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:31,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:31,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:31,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:31,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:31,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:31,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:31,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 23:20:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:31,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:31,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:31,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:20:31,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:31,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:20:31,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:31,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:31,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:31,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:31,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:31,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:31,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:31,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:31,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:31,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:31,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:31,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:31,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:31,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:31,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:31,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:31,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 23:20:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:31,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:31,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:31,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:31,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:31,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:20:31,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:31,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:31,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:31,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:31,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:31,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:31,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:31,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:31,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:31,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:31,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:31,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:31,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:31,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:31,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:31,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:31,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:20:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:32,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:32,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:32,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:20:32,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:32,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:32,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:32,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:32,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:32,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:32,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:32,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:20:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:32,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:32,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:32,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:32,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:32,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:32,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:32,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:32,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:32,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:32,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:32,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 23:20:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:32,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:32,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:32,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 23:20:32,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:32,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 23:20:32,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:32,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:32,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-27 23:20:32,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:20:32,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:32,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:20:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:32,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:32,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:32,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:32,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:32,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:32,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:32,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:32,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:32,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:32,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:32,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 23:20:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:32,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:32,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:32,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:32,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:32,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:32,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:32,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:32,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:32,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:32,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:32,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 23:20:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:32,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:32,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:32,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:32,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:32,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:32,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:32,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:32,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:32,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:32,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:32,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 23:20:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:32,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:32,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:32,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:32,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:32,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:32,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:32,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:32,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:32,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:32,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:32,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 23:20:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:32,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:32,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:32,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:32,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:32,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:32,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:32,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:20:32,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:20:32,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:32,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:32,201 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 23:20:32,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [361583375] [2020-10-27 23:20:32,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:20:32,202 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 23:20:32,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153905448] [2020-10-27 23:20:32,203 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:20:32,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:20:32,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:20:32,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:20:32,205 INFO L87 Difference]: Start difference. First operand 822 states and 1095 transitions. Second operand 11 states. [2020-10-27 23:20:32,436 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:20:32,630 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 23:20:33,930 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:20:34,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:34,862 INFO L93 Difference]: Finished difference Result 1645 states and 2207 transitions. [2020-10-27 23:20:34,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:20:34,863 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 135 [2020-10-27 23:20:34,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:34,868 INFO L225 Difference]: With dead ends: 1645 [2020-10-27 23:20:34,868 INFO L226 Difference]: Without dead ends: 798 [2020-10-27 23:20:34,871 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-27 23:20:34,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2020-10-27 23:20:34,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 798. [2020-10-27 23:20:34,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2020-10-27 23:20:34,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1041 transitions. [2020-10-27 23:20:34,963 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1041 transitions. Word has length 135 [2020-10-27 23:20:34,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:34,964 INFO L481 AbstractCegarLoop]: Abstraction has 798 states and 1041 transitions. [2020-10-27 23:20:34,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:20:34,964 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1041 transitions. [2020-10-27 23:20:34,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-27 23:20:34,968 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:34,968 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] [2020-10-27 23:20:34,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 23:20:34,969 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:34,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:34,969 INFO L82 PathProgramCache]: Analyzing trace with hash 704385040, now seen corresponding path program 1 times [2020-10-27 23:20:34,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:34,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [648887716] [2020-10-27 23:20:34,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:35,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:35,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:35,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:39,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:39,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:39,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-27 23:20:39,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:20:39,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 23:20:39,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:39,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:39,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-27 23:20:39,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 23:20:39,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:40,177 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:20:40,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:40,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:40,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:40,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:40,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:40,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:20:40,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:40,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:40,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:40,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:40,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:40,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:40,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:40,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:40,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:40,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:40,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:40,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:40,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:40,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:40,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:40,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:40,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:40,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:40,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:40,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:40,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:40,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:40,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:40,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:40,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:40,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:40,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:40,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:40,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:40,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:40,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:40,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:40,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:40,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:40,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:40,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:40,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:40,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:40,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:20:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:40,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:40,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:40,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:40,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:40,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:40,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:40,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:40,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:40,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:40,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:40,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:20:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:40,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:40,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:40,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:20:40,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:40,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 23:20:40,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:40,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:40,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:40,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 23:20:40,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:40,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:40,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:40,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:40,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:40,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:40,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:40,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:40,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:40,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:40,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:40,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:40,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 23:20:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:40,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:40,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:40,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:20:40,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:40,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:20:40,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:40,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:40,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:40,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 23:20:40,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:40,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:40,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:40,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:40,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:40,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:40,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:40,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:40,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:40,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:40,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:40,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:40,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 23:20:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:40,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:40,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:40,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:40,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:40,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:20:40,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:40,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:40,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:40,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 23:20:40,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:40,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:40,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:40,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:40,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:40,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:40,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:40,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:40,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:40,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:40,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:40,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:40,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:20:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:40,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:40,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:40,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:20:40,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:40,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:20:40,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:40,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:40,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:40,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 23:20:40,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:40,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:20:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:40,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:40,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:40,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:40,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:40,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:40,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:40,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:40,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:40,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:40,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:40,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 23:20:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:40,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:40,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:40,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 23:20:40,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:40,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 23:20:40,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:40,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:40,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 23:20:40,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-27 23:20:40,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:40,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:20:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:40,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:40,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:40,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:40,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:40,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:40,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:40,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:40,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:40,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:20:40,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:40,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 23:20:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:40,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:40,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:40,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:40,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:40,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:40,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:40,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:40,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:40,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:40,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:40,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 23:20:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:40,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:40,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:40,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:20:40,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:40,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:40,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:40,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:40,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:40,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 23:20:40,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:40,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 23:20:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:40,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:40,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:40,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:40,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:40,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:40,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:40,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:40,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:40,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:40,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:40,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:20:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:40,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:40,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:40,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:40,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:40,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:40,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:40,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:40,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:40,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:20:40,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:40,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 23:20:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:40,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:40,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:40,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:40,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:40,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:40,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:40,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:40,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:40,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:40,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:40,661 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 23:20:40,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [648887716] [2020-10-27 23:20:40,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:20:40,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 23:20:40,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598786644] [2020-10-27 23:20:40,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:20:40,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:20:40,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:20:40,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:20:40,663 INFO L87 Difference]: Start difference. First operand 798 states and 1041 transitions. Second operand 11 states. [2020-10-27 23:20:40,862 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:20:41,772 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:20:45,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:45,080 INFO L93 Difference]: Finished difference Result 2223 states and 2905 transitions. [2020-10-27 23:20:45,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 23:20:45,081 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 145 [2020-10-27 23:20:45,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:45,092 INFO L225 Difference]: With dead ends: 2223 [2020-10-27 23:20:45,092 INFO L226 Difference]: Without dead ends: 1484 [2020-10-27 23:20:45,096 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2020-10-27 23:20:45,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1484 states. [2020-10-27 23:20:45,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1484 to 1433. [2020-10-27 23:20:45,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1433 states. [2020-10-27 23:20:45,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1433 states and 1860 transitions. [2020-10-27 23:20:45,284 INFO L78 Accepts]: Start accepts. Automaton has 1433 states and 1860 transitions. Word has length 145 [2020-10-27 23:20:45,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:45,287 INFO L481 AbstractCegarLoop]: Abstraction has 1433 states and 1860 transitions. [2020-10-27 23:20:45,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:20:45,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 1860 transitions. [2020-10-27 23:20:45,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-27 23:20:45,293 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:45,293 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 23:20:45,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 23:20:45,294 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:45,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:45,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1015466036, now seen corresponding path program 1 times [2020-10-27 23:20:45,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:45,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1200034865] [2020-10-27 23:20:45,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:45,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:45,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:45,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:50,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:50,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-10-27 23:20:50,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:20:50,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 23:20:50,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:50,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:50,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-10-27 23:20:50,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 23:20:50,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:50,497 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:20:50,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:20:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:50,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:50,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:50,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:20:50,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:50,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:50,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:50,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:50,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:50,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:50,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:50,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:20:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:50,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:50,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:50,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:20:50,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:50,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:50,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:50,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:50,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:50,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:50,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:50,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:50,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:50,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:50,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:50,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:50,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:50,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:50,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:50,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:50,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:50,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:50,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:50,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:50,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:50,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:50,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:50,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:50,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:50,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:50,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:50,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:50,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:50,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:20:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:50,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:50,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:50,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:50,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:50,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:20:50,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:50,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:50,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:50,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:50,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:50,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:20:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:50,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:50,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:50,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:20:50,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:50,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:20:50,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:50,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:50,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:50,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:50,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:50,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:50,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:50,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:50,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:50,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:50,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:50,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:50,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:50,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:50,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:50,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:50,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 23:20:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:50,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:50,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:50,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:20:50,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:50,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:20:50,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:50,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:50,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:50,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 23:20:50,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:50,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:50,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:50,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:50,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:50,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:50,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:50,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:50,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:50,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:50,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:50,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:50,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 23:20:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:50,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:50,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:50,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:20:50,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:50,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:20:50,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:50,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:50,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:50,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 23:20:50,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:50,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:20:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:50,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:50,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:50,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:50,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:50,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:50,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:50,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:50,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:50,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:50,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:50,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:20:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:50,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:50,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:50,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:20:50,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:50,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:20:50,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:50,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:50,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:50,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 23:20:50,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:50,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:20:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:50,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:50,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:50,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:50,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:50,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:20:50,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:50,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:20:50,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:50,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:20:50,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:50,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 23:20:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:50,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:50,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:50,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 23:20:50,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:50,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 23:20:50,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:50,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:50,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 23:20:50,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-27 23:20:50,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:50,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:20:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:50,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:50,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:50,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:20:50,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:50,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:50,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:50,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:50,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:50,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:20:50,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:50,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 23:20:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:50,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:50,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:50,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:50,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:50,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:50,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:50,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:50,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:50,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:50,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:50,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:20:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:50,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:50,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:50,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:20:50,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:50,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:50,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:50,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:50,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:50,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 23:20:50,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:50,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:20:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:50,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:50,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:50,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:50,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:50,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:50,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:50,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:50,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:50,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:50,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:50,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 23:20:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:50,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:50,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:50,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:20:50,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:50,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:20:50,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:50,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:50,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:50,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:20:50,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:50,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 23:20:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:50,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:50,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:20:50,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:20:50,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:20:50,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:20:50,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:20:50,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:20:50,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:20:50,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:20:50,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:20:50,930 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 23:20:50,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1200034865] [2020-10-27 23:20:50,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:20:50,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 23:20:50,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975379133] [2020-10-27 23:20:50,932 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:20:50,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:20:50,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:20:50,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:20:50,932 INFO L87 Difference]: Start difference. First operand 1433 states and 1860 transitions. Second operand 11 states. [2020-10-27 23:20:51,134 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:20:52,247 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:20:55,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:20:55,718 INFO L93 Difference]: Finished difference Result 4061 states and 5302 transitions. [2020-10-27 23:20:55,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 23:20:55,718 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 146 [2020-10-27 23:20:55,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:20:55,735 INFO L225 Difference]: With dead ends: 4061 [2020-10-27 23:20:55,735 INFO L226 Difference]: Without dead ends: 2715 [2020-10-27 23:20:55,741 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-10-27 23:20:55,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2715 states. [2020-10-27 23:20:56,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2715 to 2696. [2020-10-27 23:20:56,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2696 states. [2020-10-27 23:20:56,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2696 states to 2696 states and 3490 transitions. [2020-10-27 23:20:56,096 INFO L78 Accepts]: Start accepts. Automaton has 2696 states and 3490 transitions. Word has length 146 [2020-10-27 23:20:56,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:20:56,096 INFO L481 AbstractCegarLoop]: Abstraction has 2696 states and 3490 transitions. [2020-10-27 23:20:56,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:20:56,097 INFO L276 IsEmpty]: Start isEmpty. Operand 2696 states and 3490 transitions. [2020-10-27 23:20:56,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-27 23:20:56,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:20:56,105 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 23:20:56,106 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 23:20:56,106 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:20:56,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:20:56,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1389492395, now seen corresponding path program 1 times [2020-10-27 23:20:56,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:20:56,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1545309272] [2020-10-27 23:20:56,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:20:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:20:56,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:56,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:20:56,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:01,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:01,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:01,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-27 23:21:01,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:21:01,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 23:21:01,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:01,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:01,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-27 23:21:01,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 23:21:01,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:01,325 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:21:01,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:21:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:01,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:01,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:01,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:21:01,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:01,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:01,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:01,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:01,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:01,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:01,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:01,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:21:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:01,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:01,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:01,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:21:01,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:01,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:01,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:01,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:01,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:01,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:01,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:01,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:01,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:01,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:01,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:01,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:01,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:01,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:01,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:01,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:01,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:01,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:01,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:01,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:01,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:01,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:01,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:01,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:01,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:01,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:01,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:01,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:01,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:01,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:21:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:01,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:01,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:01,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:01,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:01,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:21:01,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:01,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:01,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:01,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:01,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:01,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:21:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:01,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:01,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:01,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:21:01,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:01,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:01,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:01,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:01,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:01,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:01,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:01,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:01,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:01,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:01,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:01,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:01,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:01,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:01,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:01,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:01,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:01,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:01,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 23:21:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:01,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:01,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:01,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:21:01,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:01,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:01,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:01,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:01,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:01,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:01,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:01,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:01,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:01,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:01,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:01,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:01,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:01,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:01,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:01,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:01,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:01,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:01,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 23:21:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:01,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:01,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:01,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:01,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:01,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:21:01,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:01,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:01,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:01,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 23:21:01,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:01,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:01,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:01,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:01,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:01,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:01,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:01,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:01,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:01,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:01,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:01,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:01,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:21:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:01,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:01,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:01,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:21:01,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:01,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:21:01,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:01,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:01,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:01,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 23:21:01,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:01,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:21:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:01,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:01,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:01,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:01,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:01,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:01,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:01,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:01,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:01,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:01,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:01,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 23:21:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:01,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:01,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:01,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 23:21:01,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:01,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 23:21:01,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:01,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:01,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 23:21:01,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-27 23:21:01,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:01,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:21:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:01,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:01,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:01,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:01,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:01,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:01,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:01,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:01,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:01,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:21:01,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:01,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 23:21:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:01,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:01,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:01,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:01,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:01,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:01,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:01,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:01,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:01,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:21:01,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:01,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 23:21:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:01,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:01,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:01,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:21:01,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:01,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:01,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:01,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:01,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:01,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 23:21:01,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:01,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 23:21:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:01,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:01,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:01,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:01,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:01,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:21:01,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:01,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:01,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:01,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:21:01,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:01,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 23:21:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:01,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:01,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:01,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:01,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:01,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:21:01,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:01,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:01,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:01,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:21:01,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:01,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 23:21:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:01,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:01,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:01,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:01,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:01,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:21:01,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:01,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:01,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:01,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:21:01,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:01,865 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 23:21:01,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1545309272] [2020-10-27 23:21:01,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:21:01,866 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 23:21:01,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385826651] [2020-10-27 23:21:01,866 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:21:01,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:21:01,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:21:01,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:21:01,867 INFO L87 Difference]: Start difference. First operand 2696 states and 3490 transitions. Second operand 11 states. [2020-10-27 23:21:02,100 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:21:03,499 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:21:07,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:21:07,233 INFO L93 Difference]: Finished difference Result 7730 states and 10050 transitions. [2020-10-27 23:21:07,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 23:21:07,234 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 147 [2020-10-27 23:21:07,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:21:07,263 INFO L225 Difference]: With dead ends: 7730 [2020-10-27 23:21:07,263 INFO L226 Difference]: Without dead ends: 5146 [2020-10-27 23:21:07,272 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=171, Invalid=479, Unknown=0, NotChecked=0, Total=650 [2020-10-27 23:21:07,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5146 states. [2020-10-27 23:21:07,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5146 to 5111. [2020-10-27 23:21:07,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5111 states. [2020-10-27 23:21:08,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5111 states to 5111 states and 6606 transitions. [2020-10-27 23:21:08,004 INFO L78 Accepts]: Start accepts. Automaton has 5111 states and 6606 transitions. Word has length 147 [2020-10-27 23:21:08,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:21:08,005 INFO L481 AbstractCegarLoop]: Abstraction has 5111 states and 6606 transitions. [2020-10-27 23:21:08,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:21:08,005 INFO L276 IsEmpty]: Start isEmpty. Operand 5111 states and 6606 transitions. [2020-10-27 23:21:08,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-27 23:21:08,018 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:21:08,018 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 23:21:08,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 23:21:08,018 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:21:08,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:21:08,019 INFO L82 PathProgramCache]: Analyzing trace with hash -828792617, now seen corresponding path program 1 times [2020-10-27 23:21:08,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:21:08,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1376163151] [2020-10-27 23:21:08,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:21:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:08,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:08,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-27 23:21:13,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:21:13,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 23:21:13,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:13,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-27 23:21:13,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:21:13,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,240 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:21:13,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:21:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:21:13,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:21:13,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:13,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:21:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:21:13,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:13,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:13,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:13,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:13,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:13,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:13,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:13,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:13,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:21:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:13,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:13,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:13,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:21:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 23:21:13,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:21:13,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:13,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:13,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:13,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:13,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-27 23:21:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:21:13,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 23:21:13,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:13,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:13,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:13,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:13,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 23:21:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:13,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:13,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:13,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:13,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:13,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:13,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 23:21:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:21:13,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:13,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:13,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:21:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:13,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:13,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:13,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 23:21:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 23:21:13,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 23:21:13,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:13,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 23:21:13,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:21:13,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:21:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:13,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:13,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:13,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:13,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:21:13,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 23:21:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:13,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:13,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:21:13,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 23:21:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:21:13,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:13,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 23:21:13,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 23:21:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:13,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:13,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:21:13,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 23:21:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:13,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:13,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 23:21:13,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 23:21:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:13,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:13,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:13,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:13,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:13,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:13,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:13,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:13,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 23:21:13,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:13,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:13,775 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 23:21:13,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1376163151] [2020-10-27 23:21:13,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:21:13,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 23:21:13,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937607882] [2020-10-27 23:21:13,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 23:21:13,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:21:13,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 23:21:13,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-27 23:21:13,778 INFO L87 Difference]: Start difference. First operand 5111 states and 6606 transitions. Second operand 12 states. [2020-10-27 23:21:14,399 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 23:21:14,588 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-27 23:21:15,738 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:21:17,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:21:17,106 INFO L93 Difference]: Finished difference Result 9616 states and 12433 transitions. [2020-10-27 23:21:17,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:21:17,107 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 147 [2020-10-27 23:21:17,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:21:17,134 INFO L225 Difference]: With dead ends: 9616 [2020-10-27 23:21:17,135 INFO L226 Difference]: Without dead ends: 4591 [2020-10-27 23:21:17,147 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2020-10-27 23:21:17,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4591 states. [2020-10-27 23:21:17,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4591 to 4591. [2020-10-27 23:21:17,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4591 states. [2020-10-27 23:21:17,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4591 states to 4591 states and 5929 transitions. [2020-10-27 23:21:17,611 INFO L78 Accepts]: Start accepts. Automaton has 4591 states and 5929 transitions. Word has length 147 [2020-10-27 23:21:17,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:21:17,612 INFO L481 AbstractCegarLoop]: Abstraction has 4591 states and 5929 transitions. [2020-10-27 23:21:17,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 23:21:17,612 INFO L276 IsEmpty]: Start isEmpty. Operand 4591 states and 5929 transitions. [2020-10-27 23:21:17,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-27 23:21:17,625 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:21:17,626 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] [2020-10-27 23:21:17,626 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 23:21:17,626 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:21:17,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:21:17,626 INFO L82 PathProgramCache]: Analyzing trace with hash 543811370, now seen corresponding path program 1 times [2020-10-27 23:21:17,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:21:17,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [28254836] [2020-10-27 23:21:17,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:21:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:17,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:17,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:19,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:22,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:22,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-27 23:21:22,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:21:22,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 23:21:22,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:22,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 23:21:22,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-27 23:21:22,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 23:21:22,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:22,855 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:21:22,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:21:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:22,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:22,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:22,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:21:22,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:22,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:22,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:22,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:22,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:22,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:22,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:22,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:21:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:22,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:22,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:22,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 23:21:22,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:22,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:21:22,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:22,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:22,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:22,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 23:21:22,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:22,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:22,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:22,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:22,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:22,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:22,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:22,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:22,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:22,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:22,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:22,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:22,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:22,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:22,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:22,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:22,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:22,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:22,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:22,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:22,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:22,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:22,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:22,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 23:21:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:22,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:22,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:22,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:22,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:22,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:22,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:22,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:22,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:22,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 23:21:22,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:22,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 23:21:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:22,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:22,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:22,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 23:21:22,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:22,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:21:22,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:22,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:22,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 23:21:22,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:22,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:23,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:23,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:23,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:23,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:23,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:23,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:23,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:23,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:23,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:23,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:23,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:23,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 23:21:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:23,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:23,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:23,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:23,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:23,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:23,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:23,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:23,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:23,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:23,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:23,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 23:21:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:23,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:23,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:23,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:21:23,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:23,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:23,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:23,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:23,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:21:23,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:23,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:23,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:23,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:23,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:23,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:23,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:23,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:23,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:23,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:23,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:23,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:23,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:23,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 23:21:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:23,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:23,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:23,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:23,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:23,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:23,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:23,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:23,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:21:23,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:23,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:23,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:23,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:23,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:23,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:23,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:23,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-27 23:21:23,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:23,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:23,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:23,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:23,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:23,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 23:21:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:23,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:23,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:23,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:21:23,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:23,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:21:23,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:23,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:23,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 23:21:23,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:23,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:23,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:21:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:23,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:23,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:23,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:23,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:23,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:23,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:23,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:23,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:23,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:23,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:23,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 23:21:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:23,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:23,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:23,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 23:21:23,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:23,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 23:21:23,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:23,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:23,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 23:21:23,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:23,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:23,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:21:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:23,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:23,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:23,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:23,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:23,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:23,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:23,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:23,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:23,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:23,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:23,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 23:21:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:23,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:23,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:23,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:23,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:23,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:23,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:23,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:23,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 23:21:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:23,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:23,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:23,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:21:23,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:23,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:23,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:23,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:23,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:23,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:23,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:23,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 23:21:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:23,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:23,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:23,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:23,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:23,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:23,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:23,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:23,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:23,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:23,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:23,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:21:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:23,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:23,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:23,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:23,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:23,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:23,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:23,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:23,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:23,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:23,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:23,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 23:21:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:23,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:23,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:23,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:23,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:23,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:23,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:23,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:23,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:23,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:23,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:23,368 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 23:21:23,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [28254836] [2020-10-27 23:21:23,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:21:23,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 23:21:23,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398079506] [2020-10-27 23:21:23,370 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 23:21:23,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:21:23,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 23:21:23,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-27 23:21:23,370 INFO L87 Difference]: Start difference. First operand 4591 states and 5929 transitions. Second operand 14 states. [2020-10-27 23:21:24,023 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:21:24,242 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:21:24,426 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 23:21:26,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:21:26,955 INFO L93 Difference]: Finished difference Result 9100 states and 11756 transitions. [2020-10-27 23:21:26,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 23:21:26,956 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 151 [2020-10-27 23:21:26,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:21:26,979 INFO L225 Difference]: With dead ends: 9100 [2020-10-27 23:21:26,980 INFO L226 Difference]: Without dead ends: 4591 [2020-10-27 23:21:26,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2020-10-27 23:21:26,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4591 states. [2020-10-27 23:21:27,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4591 to 4591. [2020-10-27 23:21:27,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4591 states. [2020-10-27 23:21:27,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4591 states to 4591 states and 5925 transitions. [2020-10-27 23:21:27,638 INFO L78 Accepts]: Start accepts. Automaton has 4591 states and 5925 transitions. Word has length 151 [2020-10-27 23:21:27,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:21:27,638 INFO L481 AbstractCegarLoop]: Abstraction has 4591 states and 5925 transitions. [2020-10-27 23:21:27,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 23:21:27,638 INFO L276 IsEmpty]: Start isEmpty. Operand 4591 states and 5925 transitions. [2020-10-27 23:21:27,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-27 23:21:27,650 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:21:27,651 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] [2020-10-27 23:21:27,651 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-27 23:21:27,651 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:21:27,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:21:27,651 INFO L82 PathProgramCache]: Analyzing trace with hash 83898578, now seen corresponding path program 1 times [2020-10-27 23:21:27,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:21:27,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1338275650] [2020-10-27 23:21:27,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:21:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:27,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:27,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:27,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:27,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:27,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:27,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:31,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:32,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:32,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-27 23:21:32,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 23:21:32,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-27 23:21:32,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:32,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:32,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 97 [2020-10-27 23:21:32,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:21:32,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:32,904 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:21:32,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:21:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:32,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:32,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:32,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:21:32,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:32,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:21:32,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:32,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:32,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:32,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:32,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:32,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:21:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:32,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:32,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:32,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:32,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:32,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:36,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:37,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:37,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-27 23:21:37,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 23:21:37,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 23:21:37,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:37,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:37,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-27 23:21:37,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:21:37,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:37,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:37,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:37,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:37,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:37,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:37,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:37,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:37,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:37,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:37,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:37,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:37,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:37,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:37,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:37,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:37,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:37,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:37,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:37,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:37,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:37,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:37,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:37,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:21:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:37,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:37,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:37,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:21:37,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:37,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:37,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:37,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:37,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:37,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:37,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:37,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:21:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:37,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:37,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:37,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:37,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:37,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:37,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:37,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:37,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:37,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:37,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:37,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:21:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:37,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:37,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:38,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:21:38,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:21:38,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:21:38,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:38,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:38,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:38,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 23:21:38,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:38,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:21:38,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:38,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:38,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:38,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:38,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:38,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:38,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:38,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:38,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:21:38,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:38,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 23:21:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:38,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:38,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:21:38,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:21:38,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 23:21:38,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:38,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:38,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:38,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 23:21:38,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:38,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:21:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:38,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:38,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:38,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:38,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:38,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:38,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:38,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:38,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:21:38,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:38,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 23:21:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:38,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:38,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:38,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:38,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:21:38,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:38,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:38,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 23:21:38,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:38,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:38,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 23:21:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:38,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:38,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 23:21:38,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:38,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:21:38,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:38,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:38,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 23:21:38,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:38,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:38,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:38,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:38,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:38,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:38,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:38,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:38,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:38,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:38,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:38,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:38,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 23:21:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:38,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:38,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:38,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:38,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:38,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:38,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:38,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:38,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:38,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:38,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 23:21:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:38,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:38,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:21:38,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:38,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:38,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:38,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:38,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:21:38,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:38,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:38,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:38,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:38,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:38,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:38,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:38,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:38,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:38,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:38,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:38,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:38,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 23:21:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:38,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:38,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:38,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:38,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:38,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:38,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:38,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:21:38,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:38,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:38,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:38,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:38,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:38,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:38,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:38,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:38,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:38,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:38,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:38,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:38,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 23:21:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:38,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:38,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:21:38,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:38,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:38,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:38,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:38,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 23:21:38,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:38,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:38,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:21:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:38,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:38,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:38,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:38,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:38,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:38,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:38,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:38,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:38,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:38,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-27 23:21:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:38,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:38,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 23:21:38,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:38,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 23:21:38,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:38,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:38,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 23:21:38,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:38,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:38,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:21:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:38,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:38,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:38,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:38,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:38,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:38,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:38,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:38,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:38,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:38,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 23:21:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:38,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:38,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:38,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:38,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:38,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:38,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:38,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:38,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:38,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:38,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 23:21:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:38,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:38,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:21:38,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:38,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:38,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:38,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:38,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:38,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:38,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:38,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 23:21:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:38,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:38,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:38,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:38,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:21:38,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:38,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:38,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:38,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:38,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:38,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:21:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:38,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:38,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:38,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:38,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:21:38,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:38,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:38,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:38,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:38,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:38,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 23:21:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:38,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:38,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:38,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:38,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:38,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:38,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:38,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:38,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:38,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:38,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:38,463 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 23:21:38,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1338275650] [2020-10-27 23:21:38,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:21:38,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-27 23:21:38,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653705298] [2020-10-27 23:21:38,464 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 23:21:38,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:21:38,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 23:21:38,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-27 23:21:38,465 INFO L87 Difference]: Start difference. First operand 4591 states and 5925 transitions. Second operand 13 states. [2020-10-27 23:21:38,686 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:21:38,868 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:21:39,452 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:21:41,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:21:41,721 INFO L93 Difference]: Finished difference Result 9167 states and 11838 transitions. [2020-10-27 23:21:41,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:21:41,724 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 205 [2020-10-27 23:21:41,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:21:41,750 INFO L225 Difference]: With dead ends: 9167 [2020-10-27 23:21:41,750 INFO L226 Difference]: Without dead ends: 4608 [2020-10-27 23:21:41,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-10-27 23:21:41,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4608 states. [2020-10-27 23:21:42,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4608 to 4608. [2020-10-27 23:21:42,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4608 states. [2020-10-27 23:21:42,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4608 states to 4608 states and 5949 transitions. [2020-10-27 23:21:42,268 INFO L78 Accepts]: Start accepts. Automaton has 4608 states and 5949 transitions. Word has length 205 [2020-10-27 23:21:42,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:21:42,268 INFO L481 AbstractCegarLoop]: Abstraction has 4608 states and 5949 transitions. [2020-10-27 23:21:42,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 23:21:42,268 INFO L276 IsEmpty]: Start isEmpty. Operand 4608 states and 5949 transitions. [2020-10-27 23:21:42,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-27 23:21:42,281 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:21:42,281 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] [2020-10-27 23:21:42,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-27 23:21:42,281 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:21:42,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:21:42,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1766695532, now seen corresponding path program 1 times [2020-10-27 23:21:42,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:21:42,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [980620974] [2020-10-27 23:21:42,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:21:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:42,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:42,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:42,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:42,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:42,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:42,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:44,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:47,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:47,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-27 23:21:47,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 23:21:47,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 23:21:47,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:47,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:47,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-27 23:21:47,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:21:47,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:47,477 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:21:47,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:21:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:47,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:47,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:47,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:21:47,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:47,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:21:47,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:47,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:47,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:47,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:47,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:47,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:21:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:47,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:47,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:47,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:47,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:47,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:48,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:52,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 23:21:52,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 23:21:52,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 23:21:52,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:52,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:21:52,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-27 23:21:52,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:21:52,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:52,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:52,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:52,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:52,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:52,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:52,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:52,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:52,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:52,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:52,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:52,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:21:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:52,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:52,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:52,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:52,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:52,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:52,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:52,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:52,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:52,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:52,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:21:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:52,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:52,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:21:52,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:52,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:52,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:52,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:52,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:52,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:52,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:52,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:21:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:52,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:52,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:52,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:52,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:52,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:52,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:52,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:52,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:52,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:52,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:21:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:52,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:52,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:21:52,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:21:52,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 23:21:52,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:52,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:52,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:52,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 23:21:52,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:52,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 23:21:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:52,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:52,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 23:21:52,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:21:52,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 23:21:52,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:52,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:21:52,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:21:52,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 23:21:52,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:52,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 23:21:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:52,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:52,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:21:52,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:52,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:52,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:52,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:21:52,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:52,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 23:21:52,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:52,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 23:21:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:52,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:52,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:52,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:52,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:52,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:52,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:52,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 23:21:52,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:52,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 23:21:52,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 23:21:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:52,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:52,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 23:21:52,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:52,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:21:52,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:52,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:52,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 23:21:52,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:52,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:52,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:52,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:52,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:52,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:52,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:52,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:52,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:52,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:52,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:52,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:52,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 23:21:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:52,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:52,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:52,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:52,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:52,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:52,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:52,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:52,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:52,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:52,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 23:21:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:52,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:52,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:21:52,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:52,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:52,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:52,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:52,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:21:52,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:52,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:52,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:52,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:52,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:52,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:52,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:52,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:52,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:52,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:52,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:52,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:52,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 23:21:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:52,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:52,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:21:52,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:52,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:21:52,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:52,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:52,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:21:52,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:52,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:52,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:21:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:52,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:52,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:52,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:52,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:21:52,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:52,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:52,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:52,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:52,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:52,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 23:21:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:52,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:52,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:21:52,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:52,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:21:52,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:52,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:52,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 23:21:52,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:52,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:52,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:21:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:52,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:52,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:52,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:52,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:52,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:52,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:52,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:52,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:52,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:52,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:52,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 23:21:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:53,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:53,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:53,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 23:21:53,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:53,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:21:53,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:53,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:53,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 23:21:53,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:53,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:53,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:21:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:53,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:53,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:53,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:21:53,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:53,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:53,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:53,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:53,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:53,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:53,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:53,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 23:21:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:53,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:53,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:53,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:53,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:53,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:53,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:53,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:53,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:53,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:53,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:53,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 23:21:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:53,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:53,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:53,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:21:53,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:53,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:53,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:53,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:53,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:53,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:53,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:53,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 23:21:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:53,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:53,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:53,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:53,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:53,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:53,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:53,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:53,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:53,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:53,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:53,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:21:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:53,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:53,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:53,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:21:53,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:53,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:53,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:53,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:53,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:53,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:53,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:53,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 23:21:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:53,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:53,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:21:53,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:21:53,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:21:53,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:21:53,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:21:53,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:21:53,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:21:53,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:21:53,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:21:53,079 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 23:21:53,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [980620974] [2020-10-27 23:21:53,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:21:53,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 23:21:53,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590335163] [2020-10-27 23:21:53,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 23:21:53,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:21:53,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 23:21:53,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2020-10-27 23:21:53,081 INFO L87 Difference]: Start difference. First operand 4608 states and 5949 transitions. Second operand 15 states. [2020-10-27 23:21:53,308 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:21:53,485 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 23:21:53,930 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:21:54,106 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 23:21:54,445 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:21:54,626 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 23:21:57,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:21:57,449 INFO L93 Difference]: Finished difference Result 9198 states and 11880 transitions. [2020-10-27 23:21:57,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 23:21:57,450 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 203 [2020-10-27 23:21:57,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:21:57,472 INFO L225 Difference]: With dead ends: 9198 [2020-10-27 23:21:57,472 INFO L226 Difference]: Without dead ends: 4612 [2020-10-27 23:21:57,483 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=185, Invalid=465, Unknown=0, NotChecked=0, Total=650 [2020-10-27 23:21:57,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4612 states. [2020-10-27 23:21:57,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4612 to 4612. [2020-10-27 23:21:57,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4612 states. [2020-10-27 23:21:58,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4612 states to 4612 states and 5947 transitions. [2020-10-27 23:21:58,016 INFO L78 Accepts]: Start accepts. Automaton has 4612 states and 5947 transitions. Word has length 203 [2020-10-27 23:21:58,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:21:58,016 INFO L481 AbstractCegarLoop]: Abstraction has 4612 states and 5947 transitions. [2020-10-27 23:21:58,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 23:21:58,016 INFO L276 IsEmpty]: Start isEmpty. Operand 4612 states and 5947 transitions. [2020-10-27 23:21:58,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-27 23:21:58,029 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:21:58,029 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] [2020-10-27 23:21:58,029 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-27 23:21:58,029 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:21:58,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:21:58,030 INFO L82 PathProgramCache]: Analyzing trace with hash 709469140, now seen corresponding path program 2 times [2020-10-27 23:21:58,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:21:58,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1985811384] [2020-10-27 23:21:58,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:21:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:21:58,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:58,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:58,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:58,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:58,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:21:58,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:03,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:03,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-27 23:22:03,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 23:22:03,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 23:22:03,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:03,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:22:03,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-27 23:22:03,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:22:03,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:03,222 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:22:03,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:22:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:03,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:03,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:03,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:22:03,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:03,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:03,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:03,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:03,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:03,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:03,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:03,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:03,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:03,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:03,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:03,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:03,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:05,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:05,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 23:22:05,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 23:22:05,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2731 [2020-10-27 23:22:05,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:05,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:22:05,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-27 23:22:05,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:22:05,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:05,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:05,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:05,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:05,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:05,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:05,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:05,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:05,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:05,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:05,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:05,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:05,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:05,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:05,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:05,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:05,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:05,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:05,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:05,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:05,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:05,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:05,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:05,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:22:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:05,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:05,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:05,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:22:05,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:05,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:05,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:05,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:05,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:05,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:05,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:05,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:22:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:06,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:06,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:06,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:06,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:06,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:06,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:06,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:06,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:22:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:06,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:06,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:06,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 23:22:06,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:06,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:06,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:06,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:06,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:06,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:06,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:06,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 23:22:06,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:06,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:06,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:06,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:06,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:06,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:06,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:06,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:06,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:06,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:06,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:06,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:22:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:06,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:06,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:06,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:06,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:22:06,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 23:22:06,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:22:06,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:06,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:22:06,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:22:06,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 23:22:06,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:06,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 23:22:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:06,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:06,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:06,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:06,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:06,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:22:06,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:06,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:06,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 23:22:06,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:06,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:06,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 23:22:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:06,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:06,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:06,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 23:22:06,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:06,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 23:22:06,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:06,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:06,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 23:22:06,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:06,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:06,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:06,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:06,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:06,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:06,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:06,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:06,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:06,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:06,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:06,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:06,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:06,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 23:22:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:06,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:06,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:06,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:06,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:06,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:06,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:06,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:06,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:06,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:06,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:06,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 23:22:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:06,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:06,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:06,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:22:06,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:06,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:06,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:06,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:06,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:22:06,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:06,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:06,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:06,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:06,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:06,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:06,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:06,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:06,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:06,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:06,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:06,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:06,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:06,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 23:22:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:06,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:06,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:06,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:06,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:06,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:06,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:06,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:06,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:22:06,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:06,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:06,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:06,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:06,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:06,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:06,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:06,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:06,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:06,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:06,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:06,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:06,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:06,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 23:22:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:06,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:06,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:06,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:22:06,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:06,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:22:06,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:06,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:06,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 23:22:06,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:06,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:06,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:22:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:06,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:06,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:06,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:06,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:06,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:06,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:06,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:06,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:06,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:06,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:06,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-27 23:22:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:06,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:06,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:06,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 23:22:06,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:06,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:22:06,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:06,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:06,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 23:22:06,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:06,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:06,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:22:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:06,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:06,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:06,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:06,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:06,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:06,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:06,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:06,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:06,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:06,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:06,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 23:22:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:06,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:06,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:06,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:06,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:06,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:06,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:06,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:06,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:06,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:06,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:06,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 23:22:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:06,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:06,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:06,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:06,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:06,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:06,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:06,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:06,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:06,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:06,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:06,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 23:22:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:06,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:06,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:06,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:06,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:06,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:06,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:06,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:06,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:06,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:06,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:06,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:22:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:06,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:06,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:06,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:06,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:06,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:06,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:06,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:06,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:06,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:06,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:06,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 23:22:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:06,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:06,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:06,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:06,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:06,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:06,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:06,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:06,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:06,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:06,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:06,419 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 23:22:06,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1985811384] [2020-10-27 23:22:06,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:22:06,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 23:22:06,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890420985] [2020-10-27 23:22:06,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:22:06,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:22:06,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:22:06,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:22:06,421 INFO L87 Difference]: Start difference. First operand 4612 states and 5947 transitions. Second operand 11 states. [2020-10-27 23:22:06,626 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:06,814 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:09,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:22:09,603 INFO L93 Difference]: Finished difference Result 9277 states and 11976 transitions. [2020-10-27 23:22:09,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 23:22:09,603 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 203 [2020-10-27 23:22:09,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:22:09,626 INFO L225 Difference]: With dead ends: 9277 [2020-10-27 23:22:09,627 INFO L226 Difference]: Without dead ends: 4688 [2020-10-27 23:22:09,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2020-10-27 23:22:09,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4688 states. [2020-10-27 23:22:10,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4688 to 4644. [2020-10-27 23:22:10,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4644 states. [2020-10-27 23:22:10,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4644 states to 4644 states and 5992 transitions. [2020-10-27 23:22:10,091 INFO L78 Accepts]: Start accepts. Automaton has 4644 states and 5992 transitions. Word has length 203 [2020-10-27 23:22:10,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:22:10,092 INFO L481 AbstractCegarLoop]: Abstraction has 4644 states and 5992 transitions. [2020-10-27 23:22:10,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:22:10,092 INFO L276 IsEmpty]: Start isEmpty. Operand 4644 states and 5992 transitions. [2020-10-27 23:22:10,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-27 23:22:10,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:22:10,105 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] [2020-10-27 23:22:10,106 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-27 23:22:10,106 INFO L429 AbstractCegarLoop]: === Iteration 22 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:22:10,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:22:10,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1102276496, now seen corresponding path program 1 times [2020-10-27 23:22:10,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:22:10,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1227590557] [2020-10-27 23:22:10,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:22:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:10,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:10,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:10,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:10,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:11,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:15,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-27 23:22:15,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 23:22:15,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 23:22:15,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:15,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:15,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-27 23:22:15,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:22:15,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:15,300 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:22:15,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:22:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:15,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:15,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:22:15,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:15,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:15,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:15,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:15,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:15,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:15,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:15,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:15,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:15,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:16,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 23:22:16,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:22:16,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1286 [2020-10-27 23:22:16,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:16,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:16,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-27 23:22:16,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 23:22:16,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:16,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:16,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:16,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:16,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:16,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:16,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:16,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:16,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:16,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:16,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:16,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:16,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:16,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:16,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:16,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:22:16,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:16,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:16,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:16,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:16,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:16,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:22:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:16,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:16,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:22:16,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:16,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:16,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:16,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:16,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:16,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:16,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:16,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:22:16,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:16,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:16,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:16,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:16,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:22:16,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:16,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:16,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:16,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:16,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:16,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:22:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:16,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:16,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 23:22:16,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:16,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:16,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:16,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:16,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:16,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:16,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:16,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 23:22:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:16,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:16,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:16,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:16,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:16,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:16,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:16,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:16,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:16,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:16,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:22:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:16,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:16,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 23:22:16,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:16,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:16,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:16,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:22:16,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:16,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 23:22:16,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:16,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:16,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:16,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:16,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:16,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:16,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:16,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:16,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:16,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:16,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:16,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 23:22:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:16,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:16,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:16,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:16,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:22:16,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:16,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:16,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 23:22:16,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:16,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:16,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 23:22:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:16,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:16,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 23:22:16,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:16,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:22:16,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:16,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:16,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 23:22:16,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:16,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:16,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:16,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:16,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:16,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:16,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:16,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:16,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:16,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:16,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:16,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:16,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 23:22:16,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:16,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:16,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:16,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:16,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:16,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:16,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:16,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:16,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:16,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:16,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 23:22:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:16,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:16,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:22:16,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:16,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:22:16,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:16,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:16,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:22:16,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:16,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:16,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:16,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:16,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:16,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:16,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:16,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:16,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:16,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:16,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:16,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:16,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 23:22:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:16,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:16,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:16,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:16,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:22:16,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:16,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:16,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:22:16,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:16,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:16,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:16,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:16,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:16,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:16,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:16,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:16,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:16,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:16,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:16,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:16,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 23:22:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:16,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:16,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:22:16,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:16,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:16,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:16,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:16,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 23:22:16,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:16,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:16,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:22:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:16,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:16,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:16,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:16,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:16,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:16,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:16,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:16,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:16,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:16,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 23:22:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:16,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:16,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 23:22:16,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:16,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:22:16,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:16,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:16,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 23:22:16,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:16,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:16,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:22:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:16,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:16,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:16,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:16,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:16,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:16,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:16,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:16,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:16,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:16,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 23:22:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:16,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:16,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:16,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:16,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:16,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:16,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:16,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:16,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:16,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:16,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 23:22:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:16,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:16,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:16,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:16,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:16,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:16,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:16,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:16,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:16,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:16,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 23:22:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:16,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:16,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:16,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:16,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:16,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:16,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:16,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:16,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:16,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:16,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:22:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:16,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:16,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:16,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:16,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:16,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:16,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:16,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:16,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:16,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:16,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:16,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 23:22:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:17,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:17,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:17,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:17,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:17,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:17,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:17,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:17,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:17,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:17,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:17,052 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 23:22:17,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1227590557] [2020-10-27 23:22:17,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 23:22:17,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 23:22:17,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709730638] [2020-10-27 23:22:17,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 23:22:17,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:22:17,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 23:22:17,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-27 23:22:17,054 INFO L87 Difference]: Start difference. First operand 4644 states and 5992 transitions. Second operand 12 states. [2020-10-27 23:22:17,417 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:22:17,881 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:18,099 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:20,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:22:20,385 INFO L93 Difference]: Finished difference Result 9167 states and 11832 transitions. [2020-10-27 23:22:20,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:22:20,385 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 208 [2020-10-27 23:22:20,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:22:20,408 INFO L225 Difference]: With dead ends: 9167 [2020-10-27 23:22:20,408 INFO L226 Difference]: Without dead ends: 4650 [2020-10-27 23:22:20,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2020-10-27 23:22:20,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4650 states. [2020-10-27 23:22:20,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4650 to 4644. [2020-10-27 23:22:20,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4644 states. [2020-10-27 23:22:20,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4644 states to 4644 states and 5990 transitions. [2020-10-27 23:22:20,821 INFO L78 Accepts]: Start accepts. Automaton has 4644 states and 5990 transitions. Word has length 208 [2020-10-27 23:22:20,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:22:20,821 INFO L481 AbstractCegarLoop]: Abstraction has 4644 states and 5990 transitions. [2020-10-27 23:22:20,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 23:22:20,821 INFO L276 IsEmpty]: Start isEmpty. Operand 4644 states and 5990 transitions. [2020-10-27 23:22:20,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-27 23:22:20,831 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:22:20,832 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] [2020-10-27 23:22:20,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-27 23:22:20,832 INFO L429 AbstractCegarLoop]: === Iteration 23 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:22:20,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:22:20,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1927812868, now seen corresponding path program 3 times [2020-10-27 23:22:20,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:22:20,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1834416320] [2020-10-27 23:22:20,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:22:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:20,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:20,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:20,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:20,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:20,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:20,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:22,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:25,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:25,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-10-27 23:22:25,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 23:22:25,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-27 23:22:25,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:25,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:25,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-27 23:22:25,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 23:22:25,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:26,023 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:22:26,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:22:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:26,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:26,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:26,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:22:26,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:26,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:26,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:26,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:26,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:26,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:26,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:26,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:26,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:26,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:26,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:26,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:26,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:26,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:31,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 23:22:31,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 23:22:31,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 23:22:31,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:31,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:31,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-27 23:22:31,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 23:22:31,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:31,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:31,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:31,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:31,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:31,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:31,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:31,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:31,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:31,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:31,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:31,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:31,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:31,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:31,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:31,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:31,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:31,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:31,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:31,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:31,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:31,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:22:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:31,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:31,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:22:31,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:31,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:31,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:31,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:31,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:31,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:31,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:31,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:22:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:31,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:31,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:31,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:31,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:31,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:31,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:31,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:31,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:31,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:31,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:22:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:31,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:31,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 23:22:31,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:31,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:31,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:31,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:31,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:31,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:31,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:31,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 23:22:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:31,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:31,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:31,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:31,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:31,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:31,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:31,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:31,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:31,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:31,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:22:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:31,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:31,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:22:31,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 23:22:31,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 23:22:31,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:31,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 23:22:31,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:22:31,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 23:22:31,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:31,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 23:22:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:31,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:31,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:31,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:31,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 23:22:31,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:31,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:31,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 23:22:31,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:31,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:31,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 23:22:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:31,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:31,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 23:22:31,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:31,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 23:22:31,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:31,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:31,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 23:22:31,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:31,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:31,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:31,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:31,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:31,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:31,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:31,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:31,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:31,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:31,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:31,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:31,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 23:22:31,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:31,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:31,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:31,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:31,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:31,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:31,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:31,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:31,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:31,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:31,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 23:22:31,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:31,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:31,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:22:31,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:31,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:22:31,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:31,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:31,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:22:31,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:31,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:31,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:31,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:31,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:31,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:31,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:22:31,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:31,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:31,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:31,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:31,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:31,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 23:22:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:31,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:31,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:31,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:31,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:22:31,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:31,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:31,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:22:31,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:31,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:31,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:31,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:31,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:31,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:31,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:31,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:31,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:31,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:31,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:31,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:31,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 23:22:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:31,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:31,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:22:31,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:31,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:31,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:31,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:31,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 23:22:31,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:31,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:31,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:22:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:31,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:31,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:31,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:31,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:31,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:31,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:31,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:31,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:31,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:31,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 23:22:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:31,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:31,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 23:22:31,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:31,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 23:22:31,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:31,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:31,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 23:22:31,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:31,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:31,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:22:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:31,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:31,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:31,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:31,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:31,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:31,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:31,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:31,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:31,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:31,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 23:22:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:31,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:31,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:31,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:31,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:31,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:31,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:31,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:31,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:31,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:31,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 23:22:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:31,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:31,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:31,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:31,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:31,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:31,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:31,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:31,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:31,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:31,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 23:22:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:31,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:31,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:31,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:31,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:31,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:31,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:31,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:31,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:31,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:31,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:22:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:31,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:31,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:31,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:31,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:31,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:31,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:31,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:31,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:31,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:31,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 23:22:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:31,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:31,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:31,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:31,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:31,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:31,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:31,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:31,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:31,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:31,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:31,512 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2020-10-27 23:22:31,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1834416320] [2020-10-27 23:22:31,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:22:31,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 23:22:31,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708397126] [2020-10-27 23:22:31,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 23:22:31,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:22:31,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 23:22:31,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-27 23:22:31,514 INFO L87 Difference]: Start difference. First operand 4644 states and 5990 transitions. Second operand 11 states. [2020-10-27 23:22:31,726 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 23:22:31,901 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 23:22:32,351 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 23:22:34,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 23:22:34,379 INFO L93 Difference]: Finished difference Result 9207 states and 11881 transitions. [2020-10-27 23:22:34,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 23:22:34,379 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 209 [2020-10-27 23:22:34,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 23:22:34,416 INFO L225 Difference]: With dead ends: 9207 [2020-10-27 23:22:34,416 INFO L226 Difference]: Without dead ends: 4644 [2020-10-27 23:22:34,429 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2020-10-27 23:22:34,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4644 states. [2020-10-27 23:22:35,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4644 to 4644. [2020-10-27 23:22:35,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4644 states. [2020-10-27 23:22:35,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4644 states to 4644 states and 5988 transitions. [2020-10-27 23:22:35,038 INFO L78 Accepts]: Start accepts. Automaton has 4644 states and 5988 transitions. Word has length 209 [2020-10-27 23:22:35,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 23:22:35,038 INFO L481 AbstractCegarLoop]: Abstraction has 4644 states and 5988 transitions. [2020-10-27 23:22:35,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 23:22:35,038 INFO L276 IsEmpty]: Start isEmpty. Operand 4644 states and 5988 transitions. [2020-10-27 23:22:35,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-10-27 23:22:35,050 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 23:22:35,050 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] [2020-10-27 23:22:35,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-27 23:22:35,051 INFO L429 AbstractCegarLoop]: === Iteration 24 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 23:22:35,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 23:22:35,051 INFO L82 PathProgramCache]: Analyzing trace with hash 58374750, now seen corresponding path program 1 times [2020-10-27 23:22:35,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 23:22:35,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1482897838] [2020-10-27 23:22:35,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 23:22:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:35,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:35,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:35,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:35,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:35,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:40,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:40,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-10-27 23:22:40,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 23:22:40,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 23:22:40,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:40,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:40,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-27 23:22:40,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 23:22:40,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:40,231 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 23:22:40,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 23:22:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:40,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:40,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:40,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 23:22:40,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:40,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:22:40,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:40,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:40,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:40,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:40,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:40,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:40,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:40,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:40,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:40,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:42,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:42,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-27 23:22:42,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 23:22:42,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2742 [2020-10-27 23:22:42,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:42,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:42,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-27 23:22:42,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 23:22:42,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:43,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:43,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:43,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:43,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:43,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:43,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:43,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:43,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:43,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 23:22:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:43,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:43,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:43,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:43,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:43,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:43,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:43,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-27 23:22:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-27 23:22:43,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:43,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:43,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:43,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:43,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:43,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:43,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-27 23:22:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:43,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:43,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:43,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:43,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:43,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:43,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:43,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:22:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 23:22:43,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:43,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 23:22:43,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:43,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:43,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:43,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:43,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 23:22:43,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:43,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:43,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:43,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:43,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:43,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:43,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 23:22:43,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 23:22:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 23:22:43,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:43,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 23:22:43,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 23:22:43,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 23:22:43,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 23:22:43,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:43,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 23:22:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:43,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:43,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:43,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:22:43,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:43,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:22:43,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:43,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 23:22:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:43,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:43,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:43,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 23:22:43,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:43,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 23:22:43,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:43,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 23:22:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:43,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:43,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:43,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:43,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 23:22:43,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:43,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:43,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 23:22:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 23:22:43,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:43,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 23:22:43,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:43,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 23:22:43,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:43,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:43,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:43,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:43,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 23:22:43,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:43,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:43,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:43,225 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 8 [2020-10-27 23:22:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:43,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:43,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:43,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:43,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:43,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:43,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:43,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 23:22:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 23:22:43,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:43,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:43,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:43,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 23:22:43,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:43,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:43,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:43,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:43,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:43,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:43,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:43,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:43,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:43,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 23:22:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 23:22:43,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:43,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 23:22:43,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:43,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 23:22:43,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:43,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:43,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 23:22:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:43,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:43,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:43,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:43,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:43,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:43,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:43,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-27 23:22:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 23:22:43,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:43,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 23:22:43,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:43,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 23:22:43,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:43,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:43,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:22:43,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:43,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:43,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:43,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:43,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:43,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:43,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:43,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-27 23:22:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 23:22:43,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:43,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 23:22:43,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:43,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-27 23:22:43,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:43,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:43,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 23:22:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 23:22:43,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:43,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:43,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:43,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:43,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:43,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:43,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 23:22:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:43,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:43,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:43,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:43,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:43,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:43,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:43,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 23:22:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 23:22:43,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:43,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:43,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:43,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:43,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:43,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:43,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-27 23:22:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:43,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:43,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:43,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:43,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:43,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:43,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:43,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 23:22:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 23:22:43,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:43,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:43,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:43,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:43,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:43,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:43,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 23:22:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 23:22:43,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 23:22:43,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 23:22:43,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 23:22:43,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 23:22:43,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 23:22:43,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 23:22:43,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 23:22:43,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 23:22:43,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 23:22:43,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 23:22:43,527 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 23:22:43,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1482897838] [2020-10-27 23:22:43,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 23:22:43,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 23:22:43,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742317657] [2020-10-27 23:22:43,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 23:22:43,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 23:22:43,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 23:22:43,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-10-27 23:22:43,529 INFO L87 Difference]: Start difference. First operand 4644 states and 5988 transitions. Second operand 12 states. [2020-10-27 23:22:43,764 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 124