/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.8.1.ufo.BOUNDED-16.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 04:30:32,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 04:30:32,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 04:30:32,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 04:30:32,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 04:30:32,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 04:30:32,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 04:30:32,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 04:30:32,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 04:30:32,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 04:30:32,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 04:30:32,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 04:30:32,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 04:30:32,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 04:30:32,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 04:30:32,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 04:30:32,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 04:30:32,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 04:30:32,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 04:30:32,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 04:30:32,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 04:30:32,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 04:30:32,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 04:30:32,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 04:30:32,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 04:30:32,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 04:30:32,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 04:30:32,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 04:30:32,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 04:30:32,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 04:30:32,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 04:30:32,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 04:30:32,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 04:30:32,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 04:30:32,717 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 04:30:32,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 04:30:32,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 04:30:32,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 04:30:32,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 04:30:32,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 04:30:32,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 04:30:32,726 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 04:30:32,756 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 04:30:32,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 04:30:32,758 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 04:30:32,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 04:30:32,761 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 04:30:32,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 04:30:32,762 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 04:30:32,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 04:30:32,762 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 04:30:32,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 04:30:32,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 04:30:32,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 04:30:32,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 04:30:32,763 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 04:30:32,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 04:30:32,764 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 04:30:32,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 04:30:32,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 04:30:32,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 04:30:32,765 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 04:30:32,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 04:30:32,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 04:30:32,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 04:30:32,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 04:30:32,767 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 04:30:32,767 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 04:30:32,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 04:30:32,767 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 04:30:32,768 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 04:30:32,768 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 04:30:33,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 04:30:33,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 04:30:33,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 04:30:33,204 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 04:30:33,205 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 04:30:33,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.8.1.ufo.BOUNDED-16.pals.c [2020-10-27 04:30:33,304 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/404908d3a/ab2e5b4c9c0f4df2901506f068abebbc/FLAG9d22e58ac [2020-10-27 04:30:34,079 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 04:30:34,080 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_lcr.8.1.ufo.BOUNDED-16.pals.c [2020-10-27 04:30:34,103 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/404908d3a/ab2e5b4c9c0f4df2901506f068abebbc/FLAG9d22e58ac [2020-10-27 04:30:34,301 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/404908d3a/ab2e5b4c9c0f4df2901506f068abebbc [2020-10-27 04:30:34,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 04:30:34,312 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 04:30:34,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 04:30:34,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 04:30:34,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 04:30:34,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:30:34" (1/1) ... [2020-10-27 04:30:34,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d84f827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:30:34, skipping insertion in model container [2020-10-27 04:30:34,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:30:34" (1/1) ... [2020-10-27 04:30:34,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 04:30:34,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 04:30:34,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 04:30:34,720 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 04:30:34,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 04:30:34,870 INFO L208 MainTranslator]: Completed translation [2020-10-27 04:30:34,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:30:34 WrapperNode [2020-10-27 04:30:34,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 04:30:34,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 04:30:34,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 04:30:34,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 04:30:34,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:30:34" (1/1) ... [2020-10-27 04:30:34,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:30:34" (1/1) ... [2020-10-27 04:30:34,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:30:34" (1/1) ... [2020-10-27 04:30:34,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:30:34" (1/1) ... [2020-10-27 04:30:34,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:30:34" (1/1) ... [2020-10-27 04:30:34,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:30:34" (1/1) ... [2020-10-27 04:30:34,953 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:30:34" (1/1) ... [2020-10-27 04:30:34,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 04:30:34,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 04:30:34,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 04:30:34,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 04:30:34,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:30:34" (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 04:30:35,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 04:30:35,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 04:30:35,058 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 04:30:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 04:30:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2020-10-27 04:30:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2020-10-27 04:30:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2020-10-27 04:30:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2020-10-27 04:30:35,059 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2020-10-27 04:30:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2020-10-27 04:30:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure node7 [2020-10-27 04:30:35,061 INFO L138 BoogieDeclarations]: Found implementation of procedure node8 [2020-10-27 04:30:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-27 04:30:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-27 04:30:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 04:30:35,062 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-27 04:30:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 04:30:35,062 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 04:30:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 04:30:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 04:30:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-27 04:30:35,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-27 04:30:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-27 04:30:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 04:30:35,065 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-27 04:30:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-27 04:30:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2020-10-27 04:30:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2020-10-27 04:30:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2020-10-27 04:30:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2020-10-27 04:30:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2020-10-27 04:30:35,066 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2020-10-27 04:30:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure node7 [2020-10-27 04:30:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure node8 [2020-10-27 04:30:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-27 04:30:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-27 04:30:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 04:30:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 04:30:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 04:30:35,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 04:30:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 04:30:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 04:30:35,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 04:30:36,065 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 04:30:36,066 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 04:30:36,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:30:36 BoogieIcfgContainer [2020-10-27 04:30:36,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 04:30:36,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 04:30:36,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 04:30:36,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 04:30:36,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 04:30:34" (1/3) ... [2020-10-27 04:30:36,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe2e2b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:30:36, skipping insertion in model container [2020-10-27 04:30:36,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:30:34" (2/3) ... [2020-10-27 04:30:36,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe2e2b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:30:36, skipping insertion in model container [2020-10-27 04:30:36,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:30:36" (3/3) ... [2020-10-27 04:30:36,078 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr.8.1.ufo.BOUNDED-16.pals.c [2020-10-27 04:30:36,090 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 04:30:36,096 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 04:30:36,110 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 04:30:36,141 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 04:30:36,141 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 04:30:36,141 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 04:30:36,141 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 04:30:36,142 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 04:30:36,142 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 04:30:36,142 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 04:30:36,142 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 04:30:36,167 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states. [2020-10-27 04:30:36,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-27 04:30:36,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:30:36,182 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:30:36,182 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:30:36,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:30:36,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1210584192, now seen corresponding path program 1 times [2020-10-27 04:30:36,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:30:36,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [199812546] [2020-10-27 04:30:36,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:30:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:36,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:37,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:37,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 04:30:37,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:37,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 672 [2020-10-27 04:30:37,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:37,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:30:37,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 04:30:37,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:30:37,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 04:30:37,711 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 04:30:37,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:30:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:37,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:37,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:37,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:30:37,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:37,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 04:30:37,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:37,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:30:37,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:30:37,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:30:37,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:37,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:30:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:37,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:37,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:37,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:30:37,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:37,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:30:37,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:37,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:30:37,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:30:37,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:30:37,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:37,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 04:30:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:37,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:37,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:37,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:30:37,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:37,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:30:37,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:37,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:30:37,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:30:37,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:30:37,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:37,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:30:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:37,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:37,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:37,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:30:37,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:37,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 04:30:37,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:37,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:30:37,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:30:37,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:30:37,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:37,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 04:30:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:37,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:37,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:37,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:30:37,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:37,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 04:30:37,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:37,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:30:37,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:30:37,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:30:37,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:37,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 04:30:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:37,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:37,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:37,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:30:37,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:37,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:30:37,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:37,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:30:37,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:30:37,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:30:37,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:37,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 04:30:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:37,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:37,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:37,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:30:37,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:37,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:30:37,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:37,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:30:37,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:30:37,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:30:37,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:37,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 04:30:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:37,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:38,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:38,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:30:38,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:38,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 04:30:38,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:38,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:30:38,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:30:38,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:30:38,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:38,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 04:30:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:38,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:38,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:38,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:30:38,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:38,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:30:38,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:38,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:30:38,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:30:38,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:30:38,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:38,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 04:30:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:38,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:38,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:38,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:30:38,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:38,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:30:38,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:38,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:30:38,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:30:38,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:30:38,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:38,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 04:30:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:38,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:38,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:38,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:30:38,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:38,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:30:38,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:38,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:30:38,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:30:38,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:30:38,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:38,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 04:30:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:38,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:38,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:38,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:30:38,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:38,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:30:38,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:38,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:30:38,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 04:30:38,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:30:38,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:38,195 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 04:30:38,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [199812546] [2020-10-27 04:30:38,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:30:38,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 04:30:38,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548971805] [2020-10-27 04:30:38,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 04:30:38,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:30:38,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 04:30:38,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-27 04:30:38,223 INFO L87 Difference]: Start difference. First operand 197 states. Second operand 11 states. [2020-10-27 04:30:39,206 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:30:39,481 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:30:39,762 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:30:40,027 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:30:40,321 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:30:40,610 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:30:40,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:30:40,825 INFO L93 Difference]: Finished difference Result 315 states and 473 transitions. [2020-10-27 04:30:40,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 04:30:40,827 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 89 [2020-10-27 04:30:40,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:30:40,840 INFO L225 Difference]: With dead ends: 315 [2020-10-27 04:30:40,840 INFO L226 Difference]: Without dead ends: 189 [2020-10-27 04:30:40,844 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2020-10-27 04:30:40,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-10-27 04:30:40,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2020-10-27 04:30:40,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-10-27 04:30:40,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 295 transitions. [2020-10-27 04:30:40,921 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 295 transitions. Word has length 89 [2020-10-27 04:30:40,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:30:40,922 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 295 transitions. [2020-10-27 04:30:40,922 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 04:30:40,922 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 295 transitions. [2020-10-27 04:30:40,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-27 04:30:40,928 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:30:40,929 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:30:40,929 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 04:30:40,929 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:30:40,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:30:40,930 INFO L82 PathProgramCache]: Analyzing trace with hash 2097807038, now seen corresponding path program 1 times [2020-10-27 04:30:40,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:30:40,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1294839631] [2020-10-27 04:30:40,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:30:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:41,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:42,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:42,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 04:30:42,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:42,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1061 [2020-10-27 04:30:42,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:42,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:30:42,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 04:30:42,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 04:30:42,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:42,476 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 04:30:42,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:30:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:42,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:42,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:42,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:30:42,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:42,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 04:30:42,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:42,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:30:42,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:30:42,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:30:42,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:42,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:30:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:42,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:42,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:42,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:30:42,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:42,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 04:30:42,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:42,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:30:42,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:30:42,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:30:42,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:42,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 04:30:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:42,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:42,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:42,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:30:42,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:42,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 04:30:42,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:42,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:30:42,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:30:42,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:30:42,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:42,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:30:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:42,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:42,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:42,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:30:42,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:42,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:30:42,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:42,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:30:42,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:30:42,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:30:42,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:42,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 04:30:42,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:42,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:42,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:42,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:30:42,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:42,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:30:42,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:42,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:30:42,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:30:42,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:30:42,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:42,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 04:30:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:42,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:42,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:42,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:30:42,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:42,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:30:42,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:42,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:30:42,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:30:42,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:30:42,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:42,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 04:30:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:42,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:42,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:42,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:30:42,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:42,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:30:42,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:42,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:30:42,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:30:42,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:30:42,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:42,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 04:30:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:42,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:42,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:42,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:30:42,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:42,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:30:42,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:42,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:30:42,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:30:42,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:30:42,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:42,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 04:30:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:42,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:42,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:42,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:30:42,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:42,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:30:42,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:42,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:30:42,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:30:42,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:30:42,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:43,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 04:30:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:43,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:43,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:43,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:30:43,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:43,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:30:43,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:43,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:30:43,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:30:43,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:30:43,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:43,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-27 04:30:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:43,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:43,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:43,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:30:43,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:43,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:30:43,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:43,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:30:43,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:30:43,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:30:43,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:43,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-27 04:30:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:43,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:43,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:43,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:30:43,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:43,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:30:43,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:43,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:30:43,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 04:30:43,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:30:43,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:43,100 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 04:30:43,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1294839631] [2020-10-27 04:30:43,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:30:43,101 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-27 04:30:43,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510908774] [2020-10-27 04:30:43,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 04:30:43,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:30:43,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 04:30:43,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-10-27 04:30:43,105 INFO L87 Difference]: Start difference. First operand 189 states and 295 transitions. Second operand 17 states. [2020-10-27 04:30:43,578 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-27 04:30:44,036 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-27 04:30:44,703 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-27 04:30:45,195 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-10-27 04:30:46,412 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 04:30:46,747 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:30:47,092 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:30:47,419 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:30:47,763 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:30:48,062 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:30:48,401 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:30:48,701 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:30:49,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:30:49,421 INFO L93 Difference]: Finished difference Result 319 states and 481 transitions. [2020-10-27 04:30:49,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 04:30:49,423 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 89 [2020-10-27 04:30:49,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:30:49,427 INFO L225 Difference]: With dead ends: 319 [2020-10-27 04:30:49,428 INFO L226 Difference]: Without dead ends: 203 [2020-10-27 04:30:49,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=203, Invalid=609, Unknown=0, NotChecked=0, Total=812 [2020-10-27 04:30:49,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-10-27 04:30:49,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 189. [2020-10-27 04:30:49,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-10-27 04:30:49,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 234 transitions. [2020-10-27 04:30:49,470 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 234 transitions. Word has length 89 [2020-10-27 04:30:49,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:30:49,470 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 234 transitions. [2020-10-27 04:30:49,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 04:30:49,471 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 234 transitions. [2020-10-27 04:30:49,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-27 04:30:49,478 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:30:49,478 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:30:49,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 04:30:49,479 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:30:49,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:30:49,480 INFO L82 PathProgramCache]: Analyzing trace with hash -437049810, now seen corresponding path program 1 times [2020-10-27 04:30:49,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:30:49,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [447549990] [2020-10-27 04:30:49,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:30:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:49,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:49,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:49,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:50,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:50,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:54,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:54,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-27 04:30:54,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:30:54,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-27 04:30:54,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:54,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 04:30:54,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 04:30:54,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-27 04:30:54,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 04:30:55,085 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 04:30:55,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:30:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:55,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:55,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:55,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:30:55,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:55,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 04:30:55,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:55,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:30:55,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:30:55,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:30:55,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:55,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:30:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:55,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:55,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:55,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 04:30:55,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:55,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-27 04:30:55,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:55,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:30:55,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:30:55,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 04:30:55,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:55,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 04:30:55,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:55,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:55,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:55,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:30:55,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:55,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:30:55,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:55,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:30:55,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:30:55,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:30:55,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:30:55,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 04:30:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:55,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:55,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:55,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:30:55,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:55,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 04:30:55,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:55,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:30:55,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:30:55,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:30:55,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:55,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 04:30:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:55,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:55,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:55,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:30:55,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:55,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 04:30:55,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:55,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:30:55,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:30:55,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:30:55,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:55,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 04:30:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:55,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:55,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:55,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:30:55,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:55,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 04:30:55,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:55,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:30:55,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:30:55,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:30:55,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:55,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 04:30:55,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:55,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:55,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:55,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:30:55,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:55,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 04:30:55,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:55,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:30:55,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:30:55,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:30:55,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:55,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 04:30:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:55,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:55,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:55,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:30:55,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:55,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 04:30:55,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:55,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:30:55,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:30:55,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:30:55,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:55,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 04:30:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:55,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:55,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:55,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:30:55,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:55,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 04:30:55,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:55,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:30:55,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:30:55,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:30:55,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:56,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 04:30:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:56,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:56,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:56,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:30:56,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:56,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 04:30:56,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:56,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:30:56,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:30:56,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:30:56,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:56,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 04:30:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:56,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:56,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:56,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:30:56,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:56,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 04:30:56,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:56,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:30:56,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:30:56,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:30:56,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:30:56,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 04:30:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:30:56,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:30:56,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:30:56,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:30:56,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:30:56,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 04:30:56,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:30:56,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:30:56,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:30:56,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 04:30:56,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:30:56,297 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 04:30:56,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [447549990] [2020-10-27 04:30:56,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:30:56,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2020-10-27 04:30:56,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679901695] [2020-10-27 04:30:56,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-27 04:30:56,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:30:56,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-27 04:30:56,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=750, Unknown=0, NotChecked=0, Total=870 [2020-10-27 04:30:56,303 INFO L87 Difference]: Start difference. First operand 189 states and 234 transitions. Second operand 30 states. [2020-10-27 04:30:56,803 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-27 04:30:57,234 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-27 04:30:57,657 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-27 04:30:58,058 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-27 04:30:58,508 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-27 04:30:58,951 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-27 04:30:59,405 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-27 04:30:59,884 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-27 04:31:00,383 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 04:31:00,571 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 04:31:00,846 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:31:01,049 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 04:31:01,200 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 04:31:01,436 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:31:01,697 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:31:01,916 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 04:31:02,064 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 04:31:02,226 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 04:31:02,529 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 04:31:02,686 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:31:02,973 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:31:03,223 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:31:03,389 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 04:31:03,551 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 04:31:03,733 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:31:04,048 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 04:31:04,209 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 04:31:04,366 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:31:04,717 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:31:04,994 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 04:31:05,168 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:31:05,346 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 04:31:05,510 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 04:31:05,688 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 04:31:06,047 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:31:06,226 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 04:31:06,392 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 04:31:06,553 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:31:06,937 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:31:07,222 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 04:31:07,412 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 04:31:07,589 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:31:07,765 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 04:31:07,924 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 04:31:08,122 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:31:08,526 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 04:31:08,708 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:31:08,874 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 04:31:09,040 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 04:31:09,200 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:31:09,620 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:31:09,940 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 04:31:10,129 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 04:31:10,311 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 04:31:10,487 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:31:10,658 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 04:31:10,823 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 04:31:11,036 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 04:31:11,464 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:31:11,643 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 04:31:11,819 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:31:11,991 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 04:31:12,170 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 04:31:12,333 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:31:12,793 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:31:13,135 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:31:13,338 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 04:31:13,527 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 04:31:13,706 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 04:31:13,885 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:31:14,063 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 04:31:14,232 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 04:31:14,431 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 04:31:14,892 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 04:31:15,086 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:31:15,269 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 04:31:15,458 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:31:15,671 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 04:31:15,857 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 04:31:16,031 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:31:16,953 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-27 04:31:17,418 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-27 04:31:17,864 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-27 04:31:18,310 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-27 04:31:18,768 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-27 04:31:19,186 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-27 04:31:19,600 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-27 04:31:20,008 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-27 04:31:22,635 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 04:31:22,845 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 04:31:23,050 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 04:31:23,251 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:31:23,458 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 04:31:23,651 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:31:23,840 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 04:31:24,036 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:31:24,395 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:31:24,598 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 04:31:24,796 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:31:24,998 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 04:31:25,191 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 04:31:25,377 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 04:31:25,561 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:31:25,758 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 04:31:25,948 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 04:31:27,028 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:31:27,249 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 04:31:27,480 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:31:27,701 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 04:31:27,920 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:31:28,134 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 04:31:28,334 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 04:31:28,527 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:31:28,899 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 04:31:29,113 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:31:29,324 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 04:31:29,531 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 04:31:29,743 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 04:31:29,942 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:31:30,133 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 04:31:30,350 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:31:31,399 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:31:31,618 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 04:31:31,830 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:31:32,057 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 04:31:32,262 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:31:32,460 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 04:31:32,662 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 04:31:32,850 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:31:33,225 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 04:31:33,439 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:31:33,644 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 04:31:33,864 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 04:31:34,054 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 04:31:34,252 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:31:34,488 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 04:31:35,470 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:31:35,712 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 04:31:35,945 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:31:36,185 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 04:31:36,406 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:31:36,627 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 04:31:36,849 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 04:31:37,059 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:31:37,464 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 04:31:37,698 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:31:37,938 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 04:31:38,162 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 04:31:38,376 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 04:31:38,650 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 04:31:39,698 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:31:39,936 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 04:31:40,169 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:31:40,410 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 04:31:40,637 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:31:40,846 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 04:31:41,054 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 04:31:41,264 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:31:41,678 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 04:31:41,910 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:31:42,122 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 04:31:42,331 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 04:31:42,593 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 04:31:43,469 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:31:43,684 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 04:31:43,902 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:31:44,109 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 04:31:44,318 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:31:44,531 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 04:31:44,755 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 04:31:44,960 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:31:45,347 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 04:31:45,565 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:31:45,792 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 04:31:46,079 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:31:46,962 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:31:47,197 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 04:31:47,425 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:31:47,647 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 04:31:47,864 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:31:48,094 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 04:31:48,304 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 04:31:48,514 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:31:48,923 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 04:31:49,153 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:31:49,495 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 04:31:50,353 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:31:50,585 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 04:31:50,813 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:31:51,036 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 04:31:51,257 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:31:51,484 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 04:31:51,713 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 04:31:51,923 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:31:52,325 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 04:31:53,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:31:53,777 INFO L93 Difference]: Finished difference Result 2156 states and 3044 transitions. [2020-10-27 04:31:53,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2020-10-27 04:31:53,779 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 149 [2020-10-27 04:31:53,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:31:53,802 INFO L225 Difference]: With dead ends: 2156 [2020-10-27 04:31:53,802 INFO L226 Difference]: Without dead ends: 2046 [2020-10-27 04:31:53,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 230 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21310 ImplicationChecksByTransitivity, 41.0s TimeCoverageRelationStatistics Valid=7442, Invalid=46150, Unknown=0, NotChecked=0, Total=53592 [2020-10-27 04:31:53,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2046 states. [2020-10-27 04:31:54,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2046 to 1998. [2020-10-27 04:31:54,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1998 states. [2020-10-27 04:31:54,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1998 states to 1998 states and 2838 transitions. [2020-10-27 04:31:54,117 INFO L78 Accepts]: Start accepts. Automaton has 1998 states and 2838 transitions. Word has length 149 [2020-10-27 04:31:54,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:31:54,120 INFO L481 AbstractCegarLoop]: Abstraction has 1998 states and 2838 transitions. [2020-10-27 04:31:54,120 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-27 04:31:54,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1998 states and 2838 transitions. [2020-10-27 04:31:54,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-27 04:31:54,131 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:31:54,131 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:31:54,131 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 04:31:54,132 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:31:54,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:31:54,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1158766686, now seen corresponding path program 1 times [2020-10-27 04:31:54,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:31:54,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [962145960] [2020-10-27 04:31:54,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:31:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:31:54,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:31:54,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:31:54,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:31:54,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:31:55,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:31:59,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:31:59,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-27 04:31:59,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:31:59,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-27 04:31:59,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:31:59,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:31:59,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 04:31:59,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 04:31:59,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:31:59,630 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 04:31:59,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:31:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:31:59,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:31:59,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:31:59,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:31:59,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:31:59,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 04:31:59,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:31:59,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:31:59,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:31:59,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:31:59,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:31:59,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:31:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:31:59,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:31:59,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:31:59,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 04:31:59,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:31:59,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 04:31:59,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:31:59,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:31:59,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:31:59,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:31:59,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:31:59,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 04:31:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:31:59,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:31:59,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:31:59,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:31:59,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:31:59,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:31:59,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:31:59,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:31:59,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:31:59,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:31:59,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:31:59,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 04:31:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:31:59,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:31:59,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:31:59,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:31:59,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:31:59,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 04:31:59,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:31:59,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:31:59,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:31:59,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:31:59,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:31:59,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 04:31:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:31:59,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:31:59,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:31:59,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:31:59,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:31:59,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:31:59,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:31:59,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:31:59,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:31:59,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:31:59,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:31:59,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 04:31:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:31:59,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:31:59,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:31:59,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:31:59,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:31:59,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:31:59,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:31:59,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:31:59,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:31:59,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:31:59,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:31:59,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 04:31:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:31:59,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:31:59,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:31:59,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:31:59,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:31:59,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:31:59,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:31:59,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:31:59,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:31:59,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:31:59,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:00,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 04:32:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:00,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:00,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:00,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:00,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:00,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:32:00,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:00,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:32:00,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:32:00,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:32:00,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:00,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 04:32:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:00,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:00,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:00,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:00,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:00,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:32:00,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:00,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:32:00,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:32:00,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:32:00,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:00,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 04:32:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:00,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:00,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:00,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:00,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:00,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:32:00,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:00,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:32:00,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:32:00,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:32:00,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:00,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 04:32:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:00,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:00,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:00,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:00,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:00,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:32:00,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:00,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:32:00,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:32:00,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:32:00,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:00,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 04:32:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:00,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:00,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:00,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:00,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:32:00,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:32:00,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:32:00,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:00,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:32:00,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 04:32:00,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 04:32:00,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:00,236 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 04:32:00,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [962145960] [2020-10-27 04:32:00,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:32:00,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-27 04:32:00,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671775599] [2020-10-27 04:32:00,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 04:32:00,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:32:00,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 04:32:00,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-10-27 04:32:00,238 INFO L87 Difference]: Start difference. First operand 1998 states and 2838 transitions. Second operand 15 states. [2020-10-27 04:32:00,714 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-27 04:32:01,454 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 04:32:01,679 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:32:01,972 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:32:02,261 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:32:02,609 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:32:02,905 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:32:03,217 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:32:03,528 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:32:04,105 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-27 04:32:04,686 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:32:05,111 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-27 04:32:05,315 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:32:05,490 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:32:05,835 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:32:06,002 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 04:32:06,441 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:32:06,626 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 04:32:07,104 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:32:07,267 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 04:32:07,681 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:32:07,850 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 04:32:08,231 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:32:08,390 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 04:32:08,818 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:32:08,980 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 04:32:09,396 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:32:09,552 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 04:32:10,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:32:10,352 INFO L93 Difference]: Finished difference Result 7693 states and 11061 transitions. [2020-10-27 04:32:10,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-27 04:32:10,353 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 151 [2020-10-27 04:32:10,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:32:10,390 INFO L225 Difference]: With dead ends: 7693 [2020-10-27 04:32:10,391 INFO L226 Difference]: Without dead ends: 5774 [2020-10-27 04:32:10,400 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 412 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=428, Invalid=1464, Unknown=0, NotChecked=0, Total=1892 [2020-10-27 04:32:10,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5774 states. [2020-10-27 04:32:10,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5774 to 5765. [2020-10-27 04:32:10,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5765 states. [2020-10-27 04:32:10,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5765 states to 5765 states and 8164 transitions. [2020-10-27 04:32:10,939 INFO L78 Accepts]: Start accepts. Automaton has 5765 states and 8164 transitions. Word has length 151 [2020-10-27 04:32:10,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:32:10,939 INFO L481 AbstractCegarLoop]: Abstraction has 5765 states and 8164 transitions. [2020-10-27 04:32:10,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 04:32:10,939 INFO L276 IsEmpty]: Start isEmpty. Operand 5765 states and 8164 transitions. [2020-10-27 04:32:10,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-27 04:32:10,943 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:32:10,943 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:32:10,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 04:32:10,944 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:32:10,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:32:10,944 INFO L82 PathProgramCache]: Analyzing trace with hash -723015796, now seen corresponding path program 1 times [2020-10-27 04:32:10,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:32:10,944 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [556469868] [2020-10-27 04:32:10,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:32:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:11,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:11,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:11,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:11,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:13,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:16,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:16,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-27 04:32:16,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:32:16,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 04:32:16,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:16,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:32:16,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-27 04:32:16,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-27 04:32:16,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:16,416 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 04:32:16,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:32:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:16,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:16,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:16,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:32:16,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:16,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 04:32:16,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:16,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:32:16,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:32:16,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:32:16,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:16,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:32:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:16,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:16,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:16,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 04:32:16,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:16,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 04:32:16,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:16,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:32:16,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:32:16,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 04:32:16,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:16,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 04:32:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:16,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:16,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:16,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:32:16,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:16,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:32:16,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:16,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:32:16,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:32:16,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:32:16,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:16,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 04:32:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:16,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:16,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:16,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:16,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:16,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:32:16,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:16,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:32:16,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:32:16,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:32:16,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:16,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 04:32:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:16,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:16,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:16,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:16,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:16,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 04:32:16,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:16,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:32:16,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:32:16,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:32:16,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:16,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 04:32:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:16,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:16,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:16,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:16,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:16,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:32:16,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:16,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:32:16,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:32:16,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:32:16,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:16,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 04:32:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:16,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:16,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:16,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:16,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:16,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:32:16,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:16,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:32:16,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:32:16,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:32:16,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:16,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 04:32:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:16,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:16,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:16,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:16,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:16,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:32:16,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:16,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:32:16,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:32:16,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:32:16,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:16,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 04:32:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:16,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:16,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:16,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:16,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:16,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:32:16,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:16,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:32:16,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:32:16,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:32:16,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:16,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 04:32:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:16,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:16,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:16,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:16,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:16,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:32:16,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:16,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:32:16,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:32:16,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:32:16,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:16,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 04:32:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:16,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:16,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:16,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:16,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:16,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:32:16,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:16,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:32:16,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:32:16,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:32:16,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:16,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 04:32:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:16,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:16,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:16,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:32:16,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:16,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:32:16,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:16,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:32:16,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 04:32:16,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:32:16,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:16,937 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 04:32:16,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [556469868] [2020-10-27 04:32:16,938 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:32:16,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 04:32:16,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493280230] [2020-10-27 04:32:16,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 04:32:16,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:32:16,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 04:32:16,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-27 04:32:16,940 INFO L87 Difference]: Start difference. First operand 5765 states and 8164 transitions. Second operand 14 states. [2020-10-27 04:32:17,328 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-27 04:32:17,909 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 04:32:18,149 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:32:18,408 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:32:18,589 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:32:18,832 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:32:19,063 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:32:19,312 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:32:19,557 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:32:19,987 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 04:32:20,245 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:32:20,502 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 04:32:20,693 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 04:32:20,975 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:32:21,285 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:32:21,577 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:32:21,841 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:32:22,118 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:32:22,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:32:22,858 INFO L93 Difference]: Finished difference Result 16795 states and 23902 transitions. [2020-10-27 04:32:22,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 04:32:22,859 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 151 [2020-10-27 04:32:22,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:32:22,921 INFO L225 Difference]: With dead ends: 16795 [2020-10-27 04:32:22,921 INFO L226 Difference]: Without dead ends: 11109 [2020-10-27 04:32:22,938 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=258, Invalid=734, Unknown=0, NotChecked=0, Total=992 [2020-10-27 04:32:22,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11109 states. [2020-10-27 04:32:24,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11109 to 11106. [2020-10-27 04:32:24,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11106 states. [2020-10-27 04:32:24,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11106 states to 11106 states and 15662 transitions. [2020-10-27 04:32:24,074 INFO L78 Accepts]: Start accepts. Automaton has 11106 states and 15662 transitions. Word has length 151 [2020-10-27 04:32:24,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:32:24,074 INFO L481 AbstractCegarLoop]: Abstraction has 11106 states and 15662 transitions. [2020-10-27 04:32:24,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 04:32:24,074 INFO L276 IsEmpty]: Start isEmpty. Operand 11106 states and 15662 transitions. [2020-10-27 04:32:24,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-27 04:32:24,077 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:32:24,078 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:32:24,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 04:32:24,078 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:32:24,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:32:24,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1118894974, now seen corresponding path program 1 times [2020-10-27 04:32:24,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:32:24,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [388864188] [2020-10-27 04:32:24,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:32:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:24,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:24,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:24,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:25,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:29,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:29,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-27 04:32:29,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:32:29,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 04:32:29,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:29,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:32:29,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-27 04:32:29,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-27 04:32:29,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:29,508 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 04:32:29,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:32:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:29,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:29,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:29,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:32:29,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:29,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 04:32:29,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:29,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:32:29,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:32:29,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:32:29,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:29,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:32:29,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:29,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:29,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:29,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 04:32:29,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:29,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 04:32:29,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:29,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:32:29,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:32:29,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 04:32:29,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:29,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 04:32:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:29,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:29,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:29,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:32:29,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:29,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:32:29,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:29,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:32:29,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:32:29,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:32:29,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:29,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 04:32:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:29,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:29,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:29,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:29,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:29,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:32:29,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:29,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:32:29,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:32:29,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:32:29,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 04:32:29,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 04:32:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:29,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:29,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:29,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:29,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:29,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 04:32:29,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:29,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:32:29,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:32:29,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:32:29,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:29,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 04:32:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:29,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:29,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:29,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:29,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:29,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:32:29,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:29,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:32:29,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:32:29,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:32:29,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:29,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 04:32:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:29,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:29,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:29,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:29,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:29,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 04:32:29,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:29,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:32:29,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:32:29,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:32:29,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:29,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 04:32:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:29,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:29,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:29,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:29,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:29,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 04:32:29,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:29,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:32:29,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:32:29,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:32:29,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:32:29,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 04:32:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:29,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:29,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:29,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:29,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:29,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:32:29,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:29,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:32:29,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:32:29,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:32:29,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:30,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 04:32:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:30,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:30,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:30,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:30,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:30,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:32:30,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:30,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:32:30,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:32:30,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:32:30,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:30,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 04:32:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:30,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:30,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:30,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:30,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:30,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:32:30,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:30,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:32:30,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:32:30,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:32:30,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:30,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 04:32:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:30,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:30,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:30,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:32:30,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:30,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:32:30,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:30,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:32:30,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 04:32:30,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:32:30,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:30,137 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 04:32:30,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [388864188] [2020-10-27 04:32:30,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:32:30,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 04:32:30,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79598276] [2020-10-27 04:32:30,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 04:32:30,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:32:30,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 04:32:30,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-10-27 04:32:30,140 INFO L87 Difference]: Start difference. First operand 11106 states and 15662 transitions. Second operand 14 states. [2020-10-27 04:32:30,550 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-27 04:32:31,169 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-27 04:32:31,387 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:32:31,666 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:32:31,879 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:32:32,080 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:32:32,342 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:32:32,609 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:32:32,884 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:32:33,420 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 04:32:33,689 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:32:33,928 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:32:34,254 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 04:32:34,462 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:32:34,730 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:32:35,081 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:32:35,418 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:32:35,761 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:32:36,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:32:36,966 INFO L93 Difference]: Finished difference Result 32458 states and 45952 transitions. [2020-10-27 04:32:36,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 04:32:36,967 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 151 [2020-10-27 04:32:36,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:32:37,072 INFO L225 Difference]: With dead ends: 32458 [2020-10-27 04:32:37,072 INFO L226 Difference]: Without dead ends: 21431 [2020-10-27 04:32:37,109 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=261, Invalid=731, Unknown=0, NotChecked=0, Total=992 [2020-10-27 04:32:37,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21431 states. [2020-10-27 04:32:38,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21431 to 21428. [2020-10-27 04:32:38,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21428 states. [2020-10-27 04:32:38,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21428 states to 21428 states and 30061 transitions. [2020-10-27 04:32:38,945 INFO L78 Accepts]: Start accepts. Automaton has 21428 states and 30061 transitions. Word has length 151 [2020-10-27 04:32:38,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:32:38,946 INFO L481 AbstractCegarLoop]: Abstraction has 21428 states and 30061 transitions. [2020-10-27 04:32:38,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 04:32:38,946 INFO L276 IsEmpty]: Start isEmpty. Operand 21428 states and 30061 transitions. [2020-10-27 04:32:38,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-27 04:32:38,949 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:32:38,949 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:32:38,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 04:32:38,950 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:32:38,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:32:38,950 INFO L82 PathProgramCache]: Analyzing trace with hash -55660468, now seen corresponding path program 1 times [2020-10-27 04:32:38,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:32:38,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1169691943] [2020-10-27 04:32:38,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:32:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:39,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:39,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:39,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:41,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:43,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:43,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-27 04:32:43,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:32:43,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 04:32:43,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:43,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-27 04:32:43,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 04:32:43,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-27 04:32:43,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:44,418 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-27 04:32:44,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:32:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:44,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:44,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:44,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:32:44,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:44,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 04:32:44,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:44,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:32:44,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:32:44,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:32:44,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:44,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:32:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:44,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:44,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:44,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 04:32:44,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:44,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-27 04:32:44,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:44,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:32:44,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:32:44,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 04:32:44,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:44,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-27 04:32:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:44,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:44,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:44,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:32:44,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:44,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:32:44,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:44,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:32:44,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:32:44,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:32:44,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:44,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 04:32:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:44,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:44,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:44,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:44,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:44,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 04:32:44,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:44,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:32:44,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:32:44,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:32:44,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:44,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 04:32:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:44,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:44,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:44,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:44,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:44,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 04:32:44,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:44,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:32:44,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:32:44,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:32:44,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:44,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-27 04:32:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:44,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:44,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:44,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:44,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:44,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 04:32:44,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:44,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:32:44,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:32:44,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:32:44,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:44,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 04:32:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:44,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:44,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:44,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:44,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:44,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 04:32:44,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:44,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:32:44,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:32:44,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:32:44,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:45,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 04:32:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:45,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:45,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:45,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:45,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:45,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 04:32:45,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:45,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:32:45,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:32:45,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:32:45,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:45,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 04:32:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:45,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:45,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:45,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:45,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:45,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 04:32:45,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:45,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:32:45,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:32:45,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:32:45,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:45,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 04:32:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:45,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:45,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:45,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:45,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:45,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 04:32:45,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:45,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:32:45,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:32:45,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:32:45,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:45,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 04:32:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:45,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:45,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:45,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:32:45,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:45,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 04:32:45,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:45,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:32:45,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:32:45,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:32:45,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:45,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 04:32:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:32:45,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:32:45,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:32:45,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:32:45,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:32:45,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:32:45,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:32:45,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:32:45,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 04:32:45,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 04:32:45,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:32:45,676 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 04:32:45,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1169691943] [2020-10-27 04:32:45,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:32:45,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2020-10-27 04:32:45,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851474424] [2020-10-27 04:32:45,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-27 04:32:45,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:32:45,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-27 04:32:45,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=634, Unknown=0, NotChecked=0, Total=756 [2020-10-27 04:32:45,678 INFO L87 Difference]: Start difference. First operand 21428 states and 30061 transitions. Second operand 28 states. [2020-10-27 04:32:46,283 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-27 04:32:46,755 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-27 04:32:47,222 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-27 04:32:47,663 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-27 04:32:48,099 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-27 04:32:48,572 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-27 04:32:49,046 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-27 04:32:49,528 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-27 04:32:50,036 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 04:32:50,299 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:32:50,516 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 04:32:51,103 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-27 04:32:51,363 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:32:51,593 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 04:32:51,868 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:32:52,108 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 04:32:52,385 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:32:52,624 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 04:32:52,816 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:32:53,091 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 04:32:53,435 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:32:53,887 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-27 04:32:54,232 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-27 04:32:54,435 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 04:32:54,654 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 04:32:55,016 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:32:55,232 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 04:32:55,403 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 04:32:55,778 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:32:56,251 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-10-27 04:32:56,689 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 04:32:56,900 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:32:57,097 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 04:32:57,316 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:32:57,656 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:32:57,850 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 04:32:58,063 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:32:58,294 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 04:32:58,467 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 04:32:58,891 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:32:59,426 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-10-27 04:33:00,028 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:33:00,257 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:33:00,486 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:33:00,700 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 04:33:00,954 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:33:01,353 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 04:33:01,583 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 04:33:01,790 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 04:33:02,028 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 04:33:02,246 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:33:02,454 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 04:33:02,650 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 04:33:03,497 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-27 04:33:06,049 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:33:06,289 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 04:33:06,563 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:33:06,880 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 04:33:07,198 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 04:33:07,692 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 04:33:07,923 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 04:33:08,351 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 04:33:08,557 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:33:08,755 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 04:33:08,933 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 04:33:09,622 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:33:09,853 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:33:10,070 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 04:33:10,274 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:33:10,475 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 04:33:10,868 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-27 04:33:11,168 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:33:11,823 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:33:11,987 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 04:33:12,531 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:33:12,751 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 04:33:12,944 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 04:33:13,131 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:33:13,325 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 04:33:13,810 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 04:33:14,058 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:33:14,274 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:33:14,491 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:33:14,954 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 04:33:15,117 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 04:33:15,733 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:33:15,918 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 04:33:16,138 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 04:33:16,345 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:33:16,757 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:33:16,988 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:33:17,213 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 04:33:17,428 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 04:33:18,417 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:33:18,691 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:33:18,927 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 04:33:19,152 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:33:19,715 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-27 04:33:20,183 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 04:33:20,384 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 04:33:20,573 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:33:21,138 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:33:21,339 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:33:21,540 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:33:21,789 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2020-10-27 04:33:21,999 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 04:33:22,487 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 04:33:22,658 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:33:22,889 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 04:33:23,111 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 04:33:23,327 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:33:24,507 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 04:33:24,801 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:33:25,030 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:33:25,238 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:33:25,694 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-10-27 04:33:26,682 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 04:33:26,867 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:33:27,040 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 04:33:27,214 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 04:33:27,742 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 04:33:27,948 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:33:28,128 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:33:28,318 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 04:33:28,880 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:33:29,056 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 04:33:29,213 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:33:29,430 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:33:29,641 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 04:33:29,844 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 04:33:30,892 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:33:31,173 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:33:31,410 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-27 04:33:32,210 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:33:32,416 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:33:32,620 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 04:33:32,897 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 04:33:33,417 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-27 04:33:33,646 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 04:33:33,861 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:33:34,082 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:33:34,657 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:33:34,844 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 04:33:35,023 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:33:35,249 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 04:33:35,500 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-27 04:33:36,680 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:33:37,009 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-27 04:33:37,973 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 04:33:38,177 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 04:33:38,381 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-27 04:33:38,586 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:33:38,989 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:33:39,213 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 04:33:39,423 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:33:39,740 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 04:33:40,240 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:33:40,422 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 04:33:40,586 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:33:40,812 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:33:41,873 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-27 04:33:42,798 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:33:42,984 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 04:33:43,170 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:33:43,350 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 04:33:43,618 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 04:33:43,818 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:33:44,001 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:33:44,512 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:33:44,769 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 04:33:44,936 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:33:51,619 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:33:51,944 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-27 04:33:52,283 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 04:33:53,036 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:33:53,236 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 04:33:53,745 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 04:33:53,962 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-27 04:33:54,133 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 04:33:56,028 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-27 04:33:56,240 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-27 04:33:56,831 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2020-10-27 04:33:57,730 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-27 04:33:58,737 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 04:33:59,270 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 04:33:59,567 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-10-27 04:34:00,973 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 118