/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-var-start-time.6.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 04:36:02,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 04:36:02,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 04:36:02,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 04:36:02,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 04:36:02,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 04:36:02,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 04:36:02,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 04:36:02,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 04:36:02,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 04:36:02,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 04:36:02,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 04:36:02,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 04:36:02,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 04:36:02,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 04:36:02,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 04:36:02,702 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 04:36:02,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 04:36:02,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 04:36:02,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 04:36:02,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 04:36:02,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 04:36:02,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 04:36:02,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 04:36:02,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 04:36:02,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 04:36:02,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 04:36:02,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 04:36:02,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 04:36:02,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 04:36:02,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 04:36:02,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 04:36:02,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 04:36:02,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 04:36:02,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 04:36:02,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 04:36:02,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 04:36:02,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 04:36:02,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 04:36:02,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 04:36:02,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 04:36:02,747 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 04:36:02,776 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 04:36:02,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 04:36:02,778 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 04:36:02,778 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 04:36:02,779 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 04:36:02,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 04:36:02,779 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 04:36:02,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 04:36:02,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 04:36:02,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 04:36:02,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 04:36:02,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 04:36:02,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 04:36:02,781 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 04:36:02,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 04:36:02,781 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 04:36:02,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 04:36:02,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 04:36:02,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 04:36:02,783 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 04:36:02,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 04:36:02,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 04:36:02,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 04:36:02,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 04:36:02,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 04:36:02,784 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 04:36:02,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 04:36:02,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 04:36:02,785 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 04:36:02,785 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 04:36:03,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 04:36:03,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 04:36:03,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 04:36:03,187 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 04:36:03,187 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 04:36:03,189 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c [2020-10-27 04:36:03,281 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0d79da630/069f98098a1a495481f293e25f9a9ce6/FLAG72726da40 [2020-10-27 04:36:03,945 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 04:36:03,945 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c [2020-10-27 04:36:03,970 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0d79da630/069f98098a1a495481f293e25f9a9ce6/FLAG72726da40 [2020-10-27 04:36:04,253 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0d79da630/069f98098a1a495481f293e25f9a9ce6 [2020-10-27 04:36:04,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 04:36:04,263 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 04:36:04,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 04:36:04,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 04:36:04,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 04:36:04,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:36:04" (1/1) ... [2020-10-27 04:36:04,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb78192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:36:04, skipping insertion in model container [2020-10-27 04:36:04,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:36:04" (1/1) ... [2020-10-27 04:36:04,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 04:36:04,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 04:36:04,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 04:36:04,635 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 04:36:04,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 04:36:04,731 INFO L208 MainTranslator]: Completed translation [2020-10-27 04:36:04,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:36:04 WrapperNode [2020-10-27 04:36:04,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 04:36:04,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 04:36:04,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 04:36:04,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 04:36:04,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:36:04" (1/1) ... [2020-10-27 04:36:04,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:36:04" (1/1) ... [2020-10-27 04:36:04,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:36:04" (1/1) ... [2020-10-27 04:36:04,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:36:04" (1/1) ... [2020-10-27 04:36:04,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:36:04" (1/1) ... [2020-10-27 04:36:04,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:36:04" (1/1) ... [2020-10-27 04:36:04,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:36:04" (1/1) ... [2020-10-27 04:36:04,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 04:36:04,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 04:36:04,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 04:36:04,844 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 04:36:04,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:36:04" (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 04:36:04,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 04:36:04,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 04:36:04,950 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 04:36:04,950 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 04:36:04,951 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2020-10-27 04:36:04,951 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2020-10-27 04:36:04,952 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2020-10-27 04:36:04,952 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2020-10-27 04:36:04,952 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2020-10-27 04:36:04,952 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2020-10-27 04:36:04,953 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-27 04:36:04,953 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-27 04:36:04,953 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 04:36:04,954 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-27 04:36:04,954 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 04:36:04,955 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 04:36:04,955 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 04:36:04,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 04:36:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-27 04:36:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-27 04:36:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-27 04:36:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-27 04:36:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 04:36:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-27 04:36:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-27 04:36:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2020-10-27 04:36:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2020-10-27 04:36:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2020-10-27 04:36:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2020-10-27 04:36:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2020-10-27 04:36:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2020-10-27 04:36:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-27 04:36:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-27 04:36:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 04:36:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 04:36:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 04:36:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 04:36:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 04:36:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 04:36:04,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 04:36:06,131 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 04:36:06,131 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 04:36:06,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:36:06 BoogieIcfgContainer [2020-10-27 04:36:06,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 04:36:06,140 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 04:36:06,140 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 04:36:06,144 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 04:36:06,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 04:36:04" (1/3) ... [2020-10-27 04:36:06,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1b5226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:36:06, skipping insertion in model container [2020-10-27 04:36:06,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:36:04" (2/3) ... [2020-10-27 04:36:06,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1b5226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:36:06, skipping insertion in model container [2020-10-27 04:36:06,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:36:06" (3/3) ... [2020-10-27 04:36:06,149 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c [2020-10-27 04:36:06,162 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 04:36:06,169 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 04:36:06,182 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 04:36:06,220 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 04:36:06,220 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 04:36:06,220 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 04:36:06,221 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 04:36:06,221 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 04:36:06,221 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 04:36:06,221 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 04:36:06,221 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 04:36:06,244 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states. [2020-10-27 04:36:06,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-10-27 04:36:06,257 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:36:06,258 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] [2020-10-27 04:36:06,258 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:36:06,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:36:06,265 INFO L82 PathProgramCache]: Analyzing trace with hash 2105430690, now seen corresponding path program 1 times [2020-10-27 04:36:06,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:36:06,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1470134930] [2020-10-27 04:36:06,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:36:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:06,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:07,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:07,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-10-27 04:36:07,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:07,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 528 [2020-10-27 04:36:07,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:07,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:36:07,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 04:36:07,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:36:07,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 04:36:07,476 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-27 04:36:07,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:36:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:07,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:07,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:07,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:36:07,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:07,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 04:36:07,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:07,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:36:07,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:36:07,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:36:07,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:07,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:36:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:07,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:07,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:07,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:36:07,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:07,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:36:07,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:07,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:36:07,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:36:07,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:36:07,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:07,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 04:36:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:07,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:07,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:07,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:36:07,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:07,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:36:07,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:07,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:36:07,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:36:07,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:36:07,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:07,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:36:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:07,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:07,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:07,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:36:07,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:07,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:36:07,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:07,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:36:07,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 04:36:07,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:36:07,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:07,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 04:36:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:07,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:07,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:07,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:36:07,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:07,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:36:07,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:07,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:36:07,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:36:07,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:36:07,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:07,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 04:36:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:07,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:07,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:07,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:36:07,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:07,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:36:07,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:07,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:36:07,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:36:07,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:36:07,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:07,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 04:36:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:07,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:07,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:07,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:36:07,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:07,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:36:07,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:07,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:36:07,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:36:07,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:36:07,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:07,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 04:36:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:07,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:07,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:07,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:36:07,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:07,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 04:36:07,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:07,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:36:07,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:36:07,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:36:07,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:36:07,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 04:36:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:07,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:07,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:07,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:36:07,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:07,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:36:07,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:07,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:36:07,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:36:07,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:36:07,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:07,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 04:36:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:07,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:07,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:07,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:36:07,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:07,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:36:07,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:07,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:36:07,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 04:36:07,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:36:07,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:07,866 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 04:36:07,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1470134930] [2020-10-27 04:36:07,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:36:07,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 04:36:07,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220085297] [2020-10-27 04:36:07,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 04:36:07,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:36:07,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 04:36:07,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 04:36:07,893 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 9 states. [2020-10-27 04:36:09,923 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-27 04:36:10,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:36:10,195 INFO L93 Difference]: Finished difference Result 323 states and 488 transitions. [2020-10-27 04:36:10,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 04:36:10,197 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2020-10-27 04:36:10,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:36:10,210 INFO L225 Difference]: With dead ends: 323 [2020-10-27 04:36:10,210 INFO L226 Difference]: Without dead ends: 189 [2020-10-27 04:36:10,215 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-27 04:36:10,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-10-27 04:36:10,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 182. [2020-10-27 04:36:10,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-10-27 04:36:10,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 281 transitions. [2020-10-27 04:36:10,295 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 281 transitions. Word has length 76 [2020-10-27 04:36:10,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:36:10,296 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 281 transitions. [2020-10-27 04:36:10,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 04:36:10,296 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 281 transitions. [2020-10-27 04:36:10,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-10-27 04:36:10,304 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:36:10,304 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] [2020-10-27 04:36:10,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 04:36:10,304 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:36:10,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:36:10,305 INFO L82 PathProgramCache]: Analyzing trace with hash -227961948, now seen corresponding path program 1 times [2020-10-27 04:36:10,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:36:10,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1037800316] [2020-10-27 04:36:10,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:36:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:10,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:11,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:11,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-10-27 04:36:11,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:11,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 904 [2020-10-27 04:36:11,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:11,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:36:11,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 04:36:11,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 04:36:11,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:11,667 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-27 04:36:11,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:36:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:11,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:11,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:11,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:36:11,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:11,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 04:36:11,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:11,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:36:11,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:36:11,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:36:11,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:36:11,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:36:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:11,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:11,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:11,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:36:11,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:11,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 04:36:11,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:11,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:36:11,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:36:11,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:36:11,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:11,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 04:36:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:11,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:11,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:11,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:36:11,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:11,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:36:11,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:11,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:36:11,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:36:11,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:36:11,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:11,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 04:36:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:11,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:11,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:11,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:36:11,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:11,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:36:11,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:11,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:36:11,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 04:36:11,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:36:11,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:11,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 04:36:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:11,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:11,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:11,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:36:11,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:11,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:36:11,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:11,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:36:11,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:36:11,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:36:11,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:11,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 04:36:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:11,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:11,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:11,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:36:11,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:11,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:36:11,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:11,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:36:11,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:36:11,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:36:11,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:11,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 04:36:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:11,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:11,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:11,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:36:11,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:11,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:36:11,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:11,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:36:11,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:36:11,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:36:11,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:12,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 04:36:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:12,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:12,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:12,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:36:12,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:12,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:36:12,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:12,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:36:12,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:36:12,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:36:12,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:12,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 04:36:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:12,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:12,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:12,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:36:12,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:12,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:36:12,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:12,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:36:12,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:36:12,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:36:12,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:12,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 04:36:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:12,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:12,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:12,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:36:12,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:12,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:36:12,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:12,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:36:12,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 04:36:12,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:36:12,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:12,107 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 04:36:12,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1037800316] [2020-10-27 04:36:12,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:36:12,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-27 04:36:12,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179122374] [2020-10-27 04:36:12,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 04:36:12,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:36:12,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 04:36:12,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-27 04:36:12,111 INFO L87 Difference]: Start difference. First operand 182 states and 281 transitions. Second operand 15 states. [2020-10-27 04:36:12,475 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-27 04:36:12,814 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-27 04:36:13,270 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-27 04:36:13,633 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-27 04:36:16,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:36:16,388 INFO L93 Difference]: Finished difference Result 318 states and 476 transitions. [2020-10-27 04:36:16,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 04:36:16,389 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 76 [2020-10-27 04:36:16,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:36:16,392 INFO L225 Difference]: With dead ends: 318 [2020-10-27 04:36:16,392 INFO L226 Difference]: Without dead ends: 189 [2020-10-27 04:36:16,394 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2020-10-27 04:36:16,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-10-27 04:36:16,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 182. [2020-10-27 04:36:16,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-10-27 04:36:16,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 240 transitions. [2020-10-27 04:36:16,422 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 240 transitions. Word has length 76 [2020-10-27 04:36:16,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:36:16,423 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 240 transitions. [2020-10-27 04:36:16,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 04:36:16,423 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 240 transitions. [2020-10-27 04:36:16,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-27 04:36:16,427 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:36:16,427 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] [2020-10-27 04:36:16,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 04:36:16,428 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:36:16,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:36:16,428 INFO L82 PathProgramCache]: Analyzing trace with hash 621467802, now seen corresponding path program 1 times [2020-10-27 04:36:16,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:36:16,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [945148880] [2020-10-27 04:36:16,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:36:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:16,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:16,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:16,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:16,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:19,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:20,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:21,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:21,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-27 04:36:21,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:36:21,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-10-27 04:36:21,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:21,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 04:36:21,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 04:36:21,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-27 04:36:21,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:36:21,900 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-27 04:36:21,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:36:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:21,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:21,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:21,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:36:21,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:21,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 04:36:21,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:21,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:36:21,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:36:21,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:36:21,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:21,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:36:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:21,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:22,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:22,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-27 04:36:22,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:22,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-27 04:36:22,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:22,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:36:22,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:36:22,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 04:36:22,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:22,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 04:36:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:22,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:22,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:22,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:36:22,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:22,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 04:36:22,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:22,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:36:22,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:36:22,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:36:22,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:22,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 04:36:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:22,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:22,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:22,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:36:22,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:22,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 04:36:22,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:22,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:36:22,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:36:22,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 04:36:22,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:22,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 04:36:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:22,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:22,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:22,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:36:22,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:22,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 04:36:22,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:22,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:36:22,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:36:22,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:36:22,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:22,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 04:36:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:22,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:22,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:22,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:36:22,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:22,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 04:36:22,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:22,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:36:22,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:36:22,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:36:22,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:22,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 04:36:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:22,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:22,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:22,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:36:22,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:22,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 04:36:22,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:22,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:36:22,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:36:22,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:36:22,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:22,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 04:36:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:22,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:22,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:22,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:36:22,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:22,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 04:36:22,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:22,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:36:22,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:36:22,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:36:22,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:36:22,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 04:36:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:22,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:22,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:22,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:36:22,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:22,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 04:36:22,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:22,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:36:22,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:36:22,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:36:22,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:22,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 04:36:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:22,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:22,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:36:22,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:36:22,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:36:22,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:36:22,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:36:22,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:36:22,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:36:22,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 04:36:22,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:36:22,914 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 04:36:22,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [945148880] [2020-10-27 04:36:22,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:36:22,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-10-27 04:36:22,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473344950] [2020-10-27 04:36:22,918 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-27 04:36:22,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:36:22,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-27 04:36:22,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2020-10-27 04:36:22,919 INFO L87 Difference]: Start difference. First operand 182 states and 240 transitions. Second operand 22 states. [2020-10-27 04:36:23,775 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-10-27 04:36:24,170 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-27 04:36:24,560 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-27 04:36:24,962 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-27 04:36:25,343 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-27 04:36:25,765 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-27 04:36:26,272 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2020-10-27 04:36:26,847 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2020-10-27 04:36:27,602 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2020-10-27 04:36:28,819 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2020-10-27 04:36:30,546 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2020-10-27 04:36:31,202 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-27 04:36:31,558 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 04:36:32,705 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 95 [2020-10-27 04:36:33,342 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-27 04:36:33,495 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-27 04:36:33,894 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 04:36:34,960 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 04:36:35,669 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-27 04:36:36,044 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-27 04:36:36,417 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-27 04:36:36,828 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-27 04:36:37,237 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-27 04:36:37,593 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-27 04:36:39,378 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-27 04:36:39,540 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-27 04:36:39,715 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-27 04:36:39,897 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-27 04:36:40,730 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 04:36:40,917 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 04:36:42,459 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 04:36:42,613 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 04:36:42,782 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 04:36:42,960 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-27 04:36:43,270 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-27 04:36:43,766 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-27 04:36:43,941 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-27 04:36:45,367 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 04:36:45,508 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 04:36:45,663 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 04:36:45,830 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-27 04:36:46,280 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-27 04:36:46,439 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-27 04:36:46,603 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-27 04:36:47,857 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 04:36:48,005 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 04:36:48,167 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 04:36:48,346 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-27 04:36:48,710 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-27 04:36:48,880 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-27 04:36:49,059 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-27 04:36:49,939 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 04:36:50,487 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 04:36:50,801 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 04:36:50,978 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-27 04:36:51,111 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-27 04:36:51,352 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-27 04:36:51,520 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-27 04:36:52,790 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 04:36:52,959 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 04:36:53,131 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-27 04:36:53,500 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-27 04:36:54,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:36:54,701 INFO L93 Difference]: Finished difference Result 1932 states and 2799 transitions. [2020-10-27 04:36:54,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2020-10-27 04:36:54,704 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 116 [2020-10-27 04:36:54,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:36:54,723 INFO L225 Difference]: With dead ends: 1932 [2020-10-27 04:36:54,724 INFO L226 Difference]: Without dead ends: 1809 [2020-10-27 04:36:54,737 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 25 SyntacticMatches, 4 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7594 ImplicationChecksByTransitivity, 19.2s TimeCoverageRelationStatistics Valid=3472, Invalid=17408, Unknown=0, NotChecked=0, Total=20880 [2020-10-27 04:36:54,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1809 states. [2020-10-27 04:36:54,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1809 to 1682. [2020-10-27 04:36:54,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2020-10-27 04:36:54,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2488 transitions. [2020-10-27 04:36:54,966 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2488 transitions. Word has length 116 [2020-10-27 04:36:54,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:36:54,967 INFO L481 AbstractCegarLoop]: Abstraction has 1682 states and 2488 transitions. [2020-10-27 04:36:54,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-27 04:36:54,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2488 transitions. [2020-10-27 04:36:54,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-27 04:36:54,976 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:36:54,976 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] [2020-10-27 04:36:54,976 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 04:36:54,977 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:36:54,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:36:54,977 INFO L82 PathProgramCache]: Analyzing trace with hash 118331047, now seen corresponding path program 1 times [2020-10-27 04:36:54,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:36:54,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1318357520] [2020-10-27 04:36:54,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:36:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:36:55,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:55,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:55,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:55,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:36:55,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:00,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:00,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-27 04:37:00,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:37:00,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 04:37:00,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:00,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:37:00,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 04:37:00,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 04:37:00,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:00,407 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-27 04:37:00,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:37:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:00,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:00,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:00,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:37:00,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:00,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 04:37:00,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:00,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:37:00,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:00,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:37:00,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:00,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:37:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:00,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:00,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:00,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-27 04:37:00,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:00,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 04:37:00,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:00,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:00,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:00,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 04:37:00,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:00,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 04:37:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:00,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:00,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:00,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:37:00,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:00,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:37:00,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:00,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:00,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:00,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:37:00,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:00,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 04:37:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:00,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:00,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:00,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:37:00,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:00,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:37:00,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:00,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:00,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:00,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:37:00,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:00,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 04:37:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:00,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:00,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:00,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:37:00,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:00,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 04:37:00,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:00,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:37:00,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:37:00,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:37:00,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:00,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 04:37:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:00,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:00,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:00,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:37:00,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:00,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:37:00,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:00,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:37:00,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:37:00,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:37:00,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:00,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-27 04:37:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:00,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:00,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:00,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:37:00,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:00,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:37:00,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:00,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:37:00,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:37:00,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:37:00,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:00,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-27 04:37:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:00,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:00,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:00,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:37:00,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:00,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:37:00,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:00,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:37:00,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:37:00,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:37:00,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:00,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 04:37:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:00,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:00,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:00,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:37:00,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:00,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:37:00,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:00,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:37:00,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:37:00,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:37:00,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:00,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 04:37:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:00,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:00,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:00,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:37:00,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:00,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:37:00,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:00,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:37:00,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:37:00,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:37:00,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:00,837 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 04:37:00,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1318357520] [2020-10-27 04:37:00,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:37:00,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 04:37:00,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158698413] [2020-10-27 04:37:00,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 04:37:00,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:37:00,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 04:37:00,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-27 04:37:00,842 INFO L87 Difference]: Start difference. First operand 1682 states and 2488 transitions. Second operand 12 states. [2020-10-27 04:37:01,200 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-27 04:37:05,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:37:05,289 INFO L93 Difference]: Finished difference Result 4932 states and 7275 transitions. [2020-10-27 04:37:05,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 04:37:05,290 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 117 [2020-10-27 04:37:05,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:37:05,309 INFO L225 Difference]: With dead ends: 4932 [2020-10-27 04:37:05,309 INFO L226 Difference]: Without dead ends: 3309 [2020-10-27 04:37:05,315 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2020-10-27 04:37:05,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3309 states. [2020-10-27 04:37:05,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3309 to 3137. [2020-10-27 04:37:05,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3137 states. [2020-10-27 04:37:05,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3137 states to 3137 states and 4636 transitions. [2020-10-27 04:37:05,577 INFO L78 Accepts]: Start accepts. Automaton has 3137 states and 4636 transitions. Word has length 117 [2020-10-27 04:37:05,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:37:05,578 INFO L481 AbstractCegarLoop]: Abstraction has 3137 states and 4636 transitions. [2020-10-27 04:37:05,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 04:37:05,578 INFO L276 IsEmpty]: Start isEmpty. Operand 3137 states and 4636 transitions. [2020-10-27 04:37:05,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-27 04:37:05,581 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:37:05,581 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] [2020-10-27 04:37:05,581 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 04:37:05,582 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:37:05,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:37:05,582 INFO L82 PathProgramCache]: Analyzing trace with hash 668331223, now seen corresponding path program 1 times [2020-10-27 04:37:05,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:37:05,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1710699870] [2020-10-27 04:37:05,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:37:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:05,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:05,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:05,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:05,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:07,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:10,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:10,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-27 04:37:10,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:37:10,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-27 04:37:10,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:10,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:37:10,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 04:37:10,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-27 04:37:10,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:11,001 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-27 04:37:11,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:37:11,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:11,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:11,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:11,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:37:11,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:11,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:37:11,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:11,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:37:11,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:11,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:37:11,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:11,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:37:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:11,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:11,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:11,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-27 04:37:11,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:11,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 04:37:11,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:11,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:11,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:11,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 04:37:11,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:11,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 04:37:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:11,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:11,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:11,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:37:11,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:11,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:37:11,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:11,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:11,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:11,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:37:11,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:11,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 04:37:11,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:11,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:11,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:11,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:37:11,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:11,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:37:11,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:11,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:11,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:11,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:37:11,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:11,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 04:37:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:11,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:11,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:11,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:37:11,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:11,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:37:11,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:11,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:11,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:11,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:37:11,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:11,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 04:37:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:11,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:11,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:11,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:37:11,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:11,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:37:11,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:11,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:37:11,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:37:11,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:37:11,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:11,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-27 04:37:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:11,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:11,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:11,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:37:11,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:11,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:37:11,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:11,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:37:11,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:37:11,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:37:11,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:11,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 04:37:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:11,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:11,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:11,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:37:11,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:11,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:37:11,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:11,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:37:11,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:37:11,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:37:11,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:11,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 04:37:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:11,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:11,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:11,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:37:11,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:11,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:37:11,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:11,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:37:11,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:37:11,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:37:11,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:11,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 04:37:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:11,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:11,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:11,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:37:11,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:11,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:37:11,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:11,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:37:11,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:37:11,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:37:11,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:11,362 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 04:37:11,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1710699870] [2020-10-27 04:37:11,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:37:11,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 04:37:11,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886157813] [2020-10-27 04:37:11,364 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 04:37:11,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:37:11,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 04:37:11,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-27 04:37:11,365 INFO L87 Difference]: Start difference. First operand 3137 states and 4636 transitions. Second operand 12 states. [2020-10-27 04:37:11,695 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-27 04:37:13,227 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-27 04:37:14,594 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-27 04:37:15,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:37:15,929 INFO L93 Difference]: Finished difference Result 9275 states and 13622 transitions. [2020-10-27 04:37:15,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 04:37:15,930 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 118 [2020-10-27 04:37:15,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:37:15,965 INFO L225 Difference]: With dead ends: 9275 [2020-10-27 04:37:15,965 INFO L226 Difference]: Without dead ends: 6197 [2020-10-27 04:37:15,974 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2020-10-27 04:37:15,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6197 states. [2020-10-27 04:37:16,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6197 to 5882. [2020-10-27 04:37:16,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5882 states. [2020-10-27 04:37:16,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5882 states to 5882 states and 8653 transitions. [2020-10-27 04:37:16,445 INFO L78 Accepts]: Start accepts. Automaton has 5882 states and 8653 transitions. Word has length 118 [2020-10-27 04:37:16,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:37:16,446 INFO L481 AbstractCegarLoop]: Abstraction has 5882 states and 8653 transitions. [2020-10-27 04:37:16,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 04:37:16,446 INFO L276 IsEmpty]: Start isEmpty. Operand 5882 states and 8653 transitions. [2020-10-27 04:37:16,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-27 04:37:16,448 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:37:16,448 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] [2020-10-27 04:37:16,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 04:37:16,449 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:37:16,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:37:16,450 INFO L82 PathProgramCache]: Analyzing trace with hash 971416771, now seen corresponding path program 1 times [2020-10-27 04:37:16,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:37:16,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2102894547] [2020-10-27 04:37:16,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:37:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:16,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:16,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:16,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:17,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:21,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:21,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-27 04:37:21,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:37:21,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 04:37:21,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:21,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:37:21,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-27 04:37:21,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-27 04:37:21,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:21,831 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-27 04:37:21,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:37:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:21,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:21,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:21,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:37:21,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:21,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:37:21,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:21,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:37:21,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:21,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:37:21,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:21,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:37:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:21,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:21,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:21,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-27 04:37:21,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:21,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 04:37:21,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:21,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:21,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:21,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 04:37:21,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:21,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 04:37:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:21,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:21,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:21,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:37:21,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:21,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:37:21,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:21,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:21,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:21,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:37:21,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:21,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 04:37:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:21,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:21,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:21,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:37:21,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:21,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:37:21,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:21,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:21,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:21,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:37:21,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:21,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 04:37:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:21,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:21,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:21,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:37:21,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:21,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:37:21,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:21,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:21,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:21,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:37:21,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:21,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 04:37:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:21,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:21,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:21,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:37:21,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:21,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:37:21,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:21,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:22,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:22,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:37:22,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:22,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 04:37:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:22,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:22,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:22,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:37:22,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:22,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 04:37:22,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:22,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:37:22,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:37:22,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:37:22,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:22,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-27 04:37:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:22,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:22,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:22,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:37:22,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:22,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:37:22,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:22,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:37:22,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:37:22,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:37:22,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:22,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-27 04:37:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:22,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:22,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:22,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:37:22,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:22,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:37:22,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:22,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:37:22,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:37:22,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:37:22,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:22,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 04:37:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:22,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:22,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:22,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:37:22,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:22,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:37:22,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:22,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:37:22,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:37:22,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:37:22,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:22,317 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 04:37:22,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2102894547] [2020-10-27 04:37:22,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:37:22,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 04:37:22,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355958836] [2020-10-27 04:37:22,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 04:37:22,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:37:22,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 04:37:22,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-27 04:37:22,319 INFO L87 Difference]: Start difference. First operand 5882 states and 8653 transitions. Second operand 12 states. [2020-10-27 04:37:22,659 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-27 04:37:25,439 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-27 04:37:25,615 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 04:37:26,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:37:26,977 INFO L93 Difference]: Finished difference Result 17416 states and 25437 transitions. [2020-10-27 04:37:26,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 04:37:26,979 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 119 [2020-10-27 04:37:26,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:37:27,050 INFO L225 Difference]: With dead ends: 17416 [2020-10-27 04:37:27,051 INFO L226 Difference]: Without dead ends: 11593 [2020-10-27 04:37:27,072 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=189, Invalid=513, Unknown=0, NotChecked=0, Total=702 [2020-10-27 04:37:27,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11593 states. [2020-10-27 04:37:28,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11593 to 11018. [2020-10-27 04:37:28,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11018 states. [2020-10-27 04:37:28,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11018 states to 11018 states and 16113 transitions. [2020-10-27 04:37:28,038 INFO L78 Accepts]: Start accepts. Automaton has 11018 states and 16113 transitions. Word has length 119 [2020-10-27 04:37:28,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:37:28,041 INFO L481 AbstractCegarLoop]: Abstraction has 11018 states and 16113 transitions. [2020-10-27 04:37:28,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 04:37:28,041 INFO L276 IsEmpty]: Start isEmpty. Operand 11018 states and 16113 transitions. [2020-10-27 04:37:28,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-27 04:37:28,043 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:37:28,043 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] [2020-10-27 04:37:28,043 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 04:37:28,043 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:37:28,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:37:28,044 INFO L82 PathProgramCache]: Analyzing trace with hash 826280527, now seen corresponding path program 1 times [2020-10-27 04:37:28,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:37:28,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [142850926] [2020-10-27 04:37:28,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:37:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:28,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:28,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:28,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:33,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:33,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-27 04:37:33,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:37:33,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 04:37:33,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:33,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:37:33,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-27 04:37:33,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 04:37:33,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:33,429 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-27 04:37:33,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:37:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:33,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:33,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:33,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:37:33,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:33,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:37:33,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:33,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:37:33,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:33,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:37:33,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:33,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:37:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:33,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:33,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:33,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-27 04:37:33,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:33,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 04:37:33,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:33,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:33,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:33,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:37:33,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:33,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 04:37:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:33,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:33,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:33,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:37:33,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:33,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:37:33,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:33,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:33,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:33,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:37:33,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:33,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 04:37:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:33,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:33,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:33,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:37:33,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:33,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:37:33,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:33,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:33,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:33,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:37:33,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:33,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 04:37:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:33,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:33,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:33,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:37:33,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:33,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:37:33,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:37:33,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:33,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 04:37:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:33,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:33,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:33,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:37:33,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:33,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:37:33,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:33,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:33,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:33,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:37:33,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:33,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 04:37:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:33,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:33,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:33,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:37:33,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:33,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:37:33,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:33,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:33,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:33,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:37:33,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:33,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 04:37:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:33,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:33,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:33,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:37:33,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:33,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:37:33,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:33,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:37:33,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:37:33,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:37:33,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:33,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 04:37:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:33,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:33,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:33,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:37:33,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:33,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:37:33,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:33,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:37:33,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:37:33,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:37:33,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:33,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-27 04:37:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:33,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:33,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:33,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:37:33,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:33,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:37:33,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:33,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:37:33,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:37:33,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:37:33,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:33,810 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 04:37:33,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [142850926] [2020-10-27 04:37:33,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:37:33,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 04:37:33,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720672380] [2020-10-27 04:37:33,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 04:37:33,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:37:33,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 04:37:33,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-27 04:37:33,813 INFO L87 Difference]: Start difference. First operand 11018 states and 16113 transitions. Second operand 12 states. [2020-10-27 04:37:34,145 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-27 04:37:35,327 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-27 04:37:35,667 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-27 04:37:39,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:37:39,129 INFO L93 Difference]: Finished difference Result 32608 states and 47309 transitions. [2020-10-27 04:37:39,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 04:37:39,130 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 120 [2020-10-27 04:37:39,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:37:39,232 INFO L225 Difference]: With dead ends: 32608 [2020-10-27 04:37:39,232 INFO L226 Difference]: Without dead ends: 21649 [2020-10-27 04:37:39,269 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2020-10-27 04:37:39,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21649 states. [2020-10-27 04:37:40,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21649 to 20606. [2020-10-27 04:37:40,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20606 states. [2020-10-27 04:37:40,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20606 states to 20606 states and 29901 transitions. [2020-10-27 04:37:40,767 INFO L78 Accepts]: Start accepts. Automaton has 20606 states and 29901 transitions. Word has length 120 [2020-10-27 04:37:40,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:37:40,768 INFO L481 AbstractCegarLoop]: Abstraction has 20606 states and 29901 transitions. [2020-10-27 04:37:40,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 04:37:40,768 INFO L276 IsEmpty]: Start isEmpty. Operand 20606 states and 29901 transitions. [2020-10-27 04:37:40,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-27 04:37:40,770 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:37:40,770 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] [2020-10-27 04:37:40,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 04:37:40,771 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:37:40,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:37:40,771 INFO L82 PathProgramCache]: Analyzing trace with hash -954159455, now seen corresponding path program 1 times [2020-10-27 04:37:40,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:37:40,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [488559609] [2020-10-27 04:37:40,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:37:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:40,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:40,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:42,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:42,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-27 04:37:42,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:37:42,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1422 [2020-10-27 04:37:42,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:42,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:37:42,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 04:37:42,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-27 04:37:42,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:42,656 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-27 04:37:42,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:37:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:42,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:42,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:42,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:37:42,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:42,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 04:37:42,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:42,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:37:42,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:42,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:37:42,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:42,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:37:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:42,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:42,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:42,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-27 04:37:42,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:42,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 04:37:42,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:42,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:42,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:42,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 04:37:42,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:42,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 04:37:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:42,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:42,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:42,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:37:42,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:42,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:37:42,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:42,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:42,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:42,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:37:42,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:42,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 04:37:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:42,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:42,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:42,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:37:42,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:42,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:37:42,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:42,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:42,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:42,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:37:42,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:42,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 04:37:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:42,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:42,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:42,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:37:42,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:42,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:37:42,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:42,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:42,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:42,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:37:42,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:42,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 04:37:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:42,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:42,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:42,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:37:42,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:42,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:37:42,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:42,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:42,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:42,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:37:42,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:42,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 04:37:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:42,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:42,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:42,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:37:42,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:42,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:37:42,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:42,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:42,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:42,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:37:42,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:42,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 04:37:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:42,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:43,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:43,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:37:43,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:43,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:37:43,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:43,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:43,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:43,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:37:43,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:43,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 04:37:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:43,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:43,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:43,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:37:43,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:43,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:37:43,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:43,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:37:43,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 04:37:43,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 04:37:43,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:43,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-27 04:37:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:43,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:43,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:43,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:37:43,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:43,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:37:43,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:43,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:37:43,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:37:43,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:37:43,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:43,134 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 04:37:43,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [488559609] [2020-10-27 04:37:43,134 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:37:43,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-27 04:37:43,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221161170] [2020-10-27 04:37:43,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 04:37:43,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:37:43,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 04:37:43,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-27 04:37:43,137 INFO L87 Difference]: Start difference. First operand 20606 states and 29901 transitions. Second operand 12 states. [2020-10-27 04:37:43,479 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-27 04:37:46,884 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 04:37:49,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:37:49,224 INFO L93 Difference]: Finished difference Result 60788 states and 87521 transitions. [2020-10-27 04:37:49,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 04:37:49,224 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 121 [2020-10-27 04:37:49,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:37:49,400 INFO L225 Difference]: With dead ends: 60788 [2020-10-27 04:37:49,401 INFO L226 Difference]: Without dead ends: 40241 [2020-10-27 04:37:49,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2020-10-27 04:37:49,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40241 states. [2020-10-27 04:37:52,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40241 to 38366. [2020-10-27 04:37:52,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38366 states. [2020-10-27 04:37:52,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38366 states to 38366 states and 55181 transitions. [2020-10-27 04:37:52,632 INFO L78 Accepts]: Start accepts. Automaton has 38366 states and 55181 transitions. Word has length 121 [2020-10-27 04:37:52,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:37:52,632 INFO L481 AbstractCegarLoop]: Abstraction has 38366 states and 55181 transitions. [2020-10-27 04:37:52,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 04:37:52,633 INFO L276 IsEmpty]: Start isEmpty. Operand 38366 states and 55181 transitions. [2020-10-27 04:37:52,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-27 04:37:52,635 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:37:52,635 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] [2020-10-27 04:37:52,635 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 04:37:52,635 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:37:52,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:37:52,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1692541287, now seen corresponding path program 1 times [2020-10-27 04:37:52,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:37:52,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1762086557] [2020-10-27 04:37:52,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:37:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:52,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:52,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:54,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:54,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-27 04:37:54,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:37:54,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1668 [2020-10-27 04:37:54,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:54,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:37:54,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 04:37:54,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-27 04:37:54,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:54,758 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-27 04:37:54,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:37:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:54,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:54,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:54,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:37:54,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:54,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 04:37:54,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:54,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:37:54,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:54,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:37:54,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:54,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:37:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:54,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:54,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:54,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-27 04:37:54,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:54,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 04:37:54,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:54,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:54,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:54,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 04:37:54,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:54,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 04:37:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:54,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:54,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:54,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:37:54,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:54,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:37:54,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:54,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:54,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:54,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:37:54,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:54,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 04:37:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:54,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:54,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:54,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:37:54,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:54,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 04:37:54,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:54,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:37:54,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:54,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:37:54,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:54,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-27 04:37:55,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:55,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:55,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:55,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:37:55,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:55,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 04:37:55,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:55,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:37:55,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:55,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:37:55,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:55,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-27 04:37:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:55,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:55,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:55,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:37:55,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:55,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 04:37:55,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:55,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:37:55,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:55,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:37:55,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:55,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 04:37:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:55,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:55,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:55,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:37:55,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:55,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 04:37:55,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:55,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:37:55,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:55,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:37:55,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:55,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 04:37:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:55,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:55,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:55,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:37:55,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:55,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 04:37:55,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:55,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 04:37:55,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:37:55,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 04:37:55,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:55,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 04:37:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:55,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:55,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:55,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 04:37:55,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:55,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:37:55,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:55,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:37:55,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 04:37:55,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:37:55,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:55,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-27 04:37:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:37:55,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:37:55,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:37:55,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 04:37:55,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:37:55,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:37:55,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:37:55,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:37:55,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 04:37:55,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:37:55,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:37:55,512 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 04:37:55,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1762086557] [2020-10-27 04:37:55,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:37:55,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2020-10-27 04:37:55,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972362297] [2020-10-27 04:37:55,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-27 04:37:55,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:37:55,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-27 04:37:55,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2020-10-27 04:37:55,514 INFO L87 Difference]: Start difference. First operand 38366 states and 55181 transitions. Second operand 21 states. [2020-10-27 04:37:56,000 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 04:37:56,418 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 04:37:57,205 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-27 04:37:57,637 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 04:37:57,906 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 04:37:58,584 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 04:37:58,979 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 04:37:59,357 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 04:37:59,567 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 04:37:59,738 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-27 04:37:59,875 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-27 04:38:00,032 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 04:38:00,764 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 04:38:01,164 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-27 04:38:01,567 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 04:38:01,959 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-27 04:38:02,398 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 04:38:02,826 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-10-27 04:38:03,247 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-27 04:38:03,454 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-27 04:38:03,623 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-27 04:38:03,801 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 04:38:03,970 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-27 04:38:04,141 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 04:38:04,321 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-27 04:38:04,642 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 04:38:05,771 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 04:38:06,204 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 04:38:06,612 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 04:38:07,038 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 04:38:07,470 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 04:38:07,894 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 04:38:08,319 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 04:38:08,797 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-27 04:38:09,236 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 04:38:09,679 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-27 04:38:10,121 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 04:38:10,569 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-27 04:38:11,003 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 04:38:11,220 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-27 04:38:11,383 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 04:38:11,817 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-10-27 04:38:12,233 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-10-27 04:38:12,418 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-27 04:38:12,582 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-27 04:38:12,765 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-27 04:38:12,932 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-27 04:38:13,105 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-27 04:38:13,275 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-27 04:38:13,458 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-27 04:38:13,623 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-27 04:38:13,788 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-27 04:38:13,976 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-27 04:38:14,166 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-27 04:38:14,340 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-27 04:38:14,621 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-27 04:38:14,774 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-27 04:38:16,584 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 04:38:17,057 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 04:38:17,503 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 04:38:17,982 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 04:38:18,413 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 04:38:18,875 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 04:38:19,314 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 04:38:19,792 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 04:38:20,226 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 04:38:20,704 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 04:38:21,133 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 04:38:21,579 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 04:38:22,021 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 04:38:22,479 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 04:38:22,906 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 04:38:23,393 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 04:38:23,830 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 04:38:24,291 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 04:38:24,720 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 04:38:25,222 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 04:38:25,645 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 04:38:25,877 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 04:38:26,053 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 04:38:26,489 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 04:38:26,936 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-27 04:38:27,405 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 04:38:27,846 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-27 04:38:28,324 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 04:38:28,771 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-27 04:38:28,986 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 04:38:29,185 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-27 04:38:29,645 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 04:38:30,082 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-27 04:38:30,295 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 04:38:30,485 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-27 04:38:30,676 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 04:38:30,865 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-27 04:38:31,066 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 04:38:31,247 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-27 04:38:31,732 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-27 04:38:32,177 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-27 04:38:32,360 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-27 04:38:32,540 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-27 04:38:32,723 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-27 04:38:32,899 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-27 04:38:33,089 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-27 04:38:33,269 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-27 04:38:33,465 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-27 04:38:33,647 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-27 04:38:33,828 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-27 04:38:33,999 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-27 04:38:34,202 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-27 04:38:34,373 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-27 04:38:34,662 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-27 04:38:34,833 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 04:38:35,012 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-27 04:38:35,182 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 04:38:35,376 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-27 04:38:35,552 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 04:38:35,839 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-27 04:38:36,010 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 04:38:36,514 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 04:38:36,709 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 04:38:39,907 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 04:38:40,404 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 04:38:40,922 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 04:38:41,398 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 04:38:41,901 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 04:38:42,371 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 04:38:42,859 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 04:38:43,316 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 04:38:43,801 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 04:38:44,264 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 04:38:44,761 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 04:38:45,264 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 04:38:45,735 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 04:38:46,215 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 04:38:46,693 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 04:38:47,161 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 04:38:47,667 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 04:38:48,154 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 04:38:48,625 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 04:38:49,104 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 04:38:49,584 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 04:38:50,048 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 04:38:50,547 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 04:38:51,011 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 04:38:51,482 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 04:38:51,934 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 04:38:52,427 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 04:38:52,885 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 04:38:53,372 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 04:38:53,832 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 04:38:54,020 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-27 04:38:54,508 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-27 04:38:54,998 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-27 04:38:55,484 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-27 04:38:55,955 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-27 04:38:56,426 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-27 04:38:56,898 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-27 04:38:57,362 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-27 04:38:57,811 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-27 04:38:58,277 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-27 04:38:58,742 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-27 04:38:59,199 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-27 04:38:59,655 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-27 04:38:59,837 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-27 04:39:00,044 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-27 04:39:00,519 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-27 04:39:00,980 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-27 04:39:01,446 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-27 04:39:01,933 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-27 04:39:02,390 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-27 04:39:02,846 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-27 04:39:03,037 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-27 04:39:03,243 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-27 04:39:03,716 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-10-27 04:39:04,165 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-10-27 04:39:04,344 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-27 04:39:04,563 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-27 04:39:04,762 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-27 04:39:04,950 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-27 04:39:05,150 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-27 04:39:05,337 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-27 04:39:05,801 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-10-27 04:39:06,268 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-27 04:39:06,727 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-10-27 04:39:07,202 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-27 04:39:07,655 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-10-27 04:39:08,129 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-27 04:39:08,309 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 04:39:08,504 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-27 04:39:08,954 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-10-27 04:39:09,428 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-27 04:39:09,607 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 04:39:09,804 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-27 04:39:09,993 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 04:39:10,186 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-27 04:39:10,394 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 04:39:10,585 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-27 04:39:11,046 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-10-27 04:39:11,529 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-10-27 04:39:11,709 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 04:39:11,904 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-27 04:39:12,089 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 04:39:12,280 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-27 04:39:12,487 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 04:39:12,683 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-27 04:39:12,874 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 04:39:13,059 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-27 04:39:13,277 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 04:39:13,471 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-27 04:39:13,672 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 04:39:13,860 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-27 04:39:14,342 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-10-27 04:39:14,842 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-27 04:39:15,019 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-27 04:39:15,206 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 04:39:15,381 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-27 04:39:15,561 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 04:39:15,750 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-27 04:39:15,936 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 04:39:16,123 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-27 04:39:16,309 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 04:39:16,495 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-27 04:39:16,686 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 04:39:16,874 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-27 04:39:17,047 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 04:39:17,306 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-27 04:39:17,483 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 04:39:17,670 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-27 04:39:17,847 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 04:39:18,030 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-27 04:39:18,207 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 04:39:18,482 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-27 04:39:18,670 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-27 04:39:19,203 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-27 04:39:19,417 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 04:39:19,608 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-27 04:39:19,825 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 04:39:20,018 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-27 04:39:20,239 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 04:39:20,528 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-27 04:39:20,744 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 04:39:21,336 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-27 04:39:21,560 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 04:39:22,767 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-27 04:39:23,043 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-27 04:39:38,201 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-27 04:39:38,521 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-27 04:39:38,799 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-27 04:39:39,062 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-27 04:39:39,317 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 04:39:39,552 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-27 04:39:39,811 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 04:39:40,041 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 04:39:40,270 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 04:39:40,545 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-27 04:39:40,759 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 04:39:40,990 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 04:39:41,215 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 04:39:41,474 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-27 04:39:41,691 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-27 04:39:41,911 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 100