/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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 -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 02:39:16,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 02:39:16,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 02:39:16,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 02:39:16,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 02:39:16,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 02:39:16,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 02:39:16,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 02:39:16,152 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 02:39:16,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 02:39:16,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 02:39:16,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 02:39:16,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 02:39:16,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 02:39:16,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 02:39:16,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 02:39:16,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 02:39:16,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 02:39:16,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 02:39:16,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 02:39:16,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 02:39:16,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 02:39:16,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 02:39:16,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 02:39:16,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 02:39:16,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 02:39:16,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 02:39:16,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 02:39:16,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 02:39:16,196 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 02:39:16,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 02:39:16,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 02:39:16,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 02:39:16,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 02:39:16,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 02:39:16,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 02:39:16,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 02:39:16,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 02:39:16,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 02:39:16,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 02:39:16,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 02:39:16,205 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 [2020-10-15 02:39:16,248 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 02:39:16,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 02:39:16,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 02:39:16,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 02:39:16,251 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 02:39:16,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 02:39:16,252 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 02:39:16,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 02:39:16,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 02:39:16,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 02:39:16,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 02:39:16,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 02:39:16,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 02:39:16,254 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 02:39:16,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 02:39:16,254 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 02:39:16,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 02:39:16,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 02:39:16,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 02:39:16,255 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 02:39:16,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 02:39:16,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 02:39:16,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 02:39:16,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 02:39:16,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 02:39:16,256 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 02:39:16,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 02:39:16,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 02:39:16,257 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 02:39:16,257 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 02:39:16,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 02:39:16,567 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 02:39:16,572 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 02:39:16,573 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 02:39:16,574 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 02:39:16,574 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c [2020-10-15 02:39:16,637 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cad1dfaae/2d00dcb204764fa1a2b37016c3e7e5dd/FLAGb3531b4b1 [2020-10-15 02:39:17,175 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 02:39:17,176 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c [2020-10-15 02:39:17,188 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cad1dfaae/2d00dcb204764fa1a2b37016c3e7e5dd/FLAGb3531b4b1 [2020-10-15 02:39:17,454 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cad1dfaae/2d00dcb204764fa1a2b37016c3e7e5dd [2020-10-15 02:39:17,465 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 02:39:17,467 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 02:39:17,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 02:39:17,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 02:39:17,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 02:39:17,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:39:17" (1/1) ... [2020-10-15 02:39:17,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@482f3cdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:39:17, skipping insertion in model container [2020-10-15 02:39:17,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:39:17" (1/1) ... [2020-10-15 02:39:17,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 02:39:17,523 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 02:39:17,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:39:17,810 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 02:39:17,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:39:18,014 INFO L208 MainTranslator]: Completed translation [2020-10-15 02:39:18,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:39:18 WrapperNode [2020-10-15 02:39:18,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 02:39:18,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 02:39:18,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 02:39:18,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 02:39:18,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:39:18" (1/1) ... [2020-10-15 02:39:18,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:39:18" (1/1) ... [2020-10-15 02:39:18,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:39:18" (1/1) ... [2020-10-15 02:39:18,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:39:18" (1/1) ... [2020-10-15 02:39:18,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:39:18" (1/1) ... [2020-10-15 02:39:18,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:39:18" (1/1) ... [2020-10-15 02:39:18,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:39:18" (1/1) ... [2020-10-15 02:39:18,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 02:39:18,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 02:39:18,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 02:39:18,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 02:39:18,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:39:18" (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 [2020-10-15 02:39:18,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 02:39:18,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 02:39:18,167 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 02:39:18,168 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2020-10-15 02:39:18,168 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2020-10-15 02:39:18,168 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2020-10-15 02:39:18,168 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2020-10-15 02:39:18,168 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2020-10-15 02:39:18,168 INFO L138 BoogieDeclarations]: Found implementation of procedure node6 [2020-10-15 02:39:18,168 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-15 02:39:18,169 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-10-15 02:39:18,169 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 02:39:18,169 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-15 02:39:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 02:39:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-15 02:39:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-15 02:39:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-15 02:39:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-15 02:39:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 02:39:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 02:39:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-15 02:39:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-15 02:39:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2020-10-15 02:39:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2020-10-15 02:39:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2020-10-15 02:39:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2020-10-15 02:39:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2020-10-15 02:39:18,172 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2020-10-15 02:39:18,172 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-15 02:39:18,172 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-15 02:39:18,172 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 02:39:18,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 02:39:18,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 02:39:18,957 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 02:39:18,957 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-15 02:39:18,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:39:18 BoogieIcfgContainer [2020-10-15 02:39:18,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 02:39:18,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 02:39:18,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 02:39:18,969 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 02:39:18,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:39:17" (1/3) ... [2020-10-15 02:39:18,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@235a0685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:39:18, skipping insertion in model container [2020-10-15 02:39:18,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:39:18" (2/3) ... [2020-10-15 02:39:18,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@235a0685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:39:18, skipping insertion in model container [2020-10-15 02:39:18,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:39:18" (3/3) ... [2020-10-15 02:39:18,973 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.1.ufo.UNBOUNDED.pals.c [2020-10-15 02:39:18,984 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 02:39:18,993 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 02:39:19,007 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 02:39:19,034 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 02:39:19,035 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 02:39:19,035 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 02:39:19,035 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 02:39:19,036 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 02:39:19,036 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 02:39:19,036 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 02:39:19,036 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 02:39:19,063 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2020-10-15 02:39:19,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-15 02:39:19,076 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:39:19,077 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] [2020-10-15 02:39:19,078 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:39:19,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:39:19,085 INFO L82 PathProgramCache]: Analyzing trace with hash 383071194, now seen corresponding path program 1 times [2020-10-15 02:39:19,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:39:19,095 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1563696062] [2020-10-15 02:39:19,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:39:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:19,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:19,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:19,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-15 02:39:19,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:19,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 420 [2020-10-15 02:39:19,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:19,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:19,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:19,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-15 02:39:19,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:19,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 02:39:20,143 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 02:39:20,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:39:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:20,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:20,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:20,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:39:20,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:20,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 02:39:20,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:20,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:20,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:20,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:39:20,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:20,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:20,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:39:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:20,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:20,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:20,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:39:20,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:20,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:39:20,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:20,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:20,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:20,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:39:20,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:20,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:20,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 02:39:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:20,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:20,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:20,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:39:20,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:20,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:39:20,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:20,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:20,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:20,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 02:39:20,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:20,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:20,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 02:39:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:20,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:20,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:20,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:39:20,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:20,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:39:20,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:20,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:20,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:20,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:39:20,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:20,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:20,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 02:39:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:20,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:20,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:20,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:20,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:20,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:39:20,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:20,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:20,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:20,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:39:20,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:20,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:20,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-15 02:39:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:20,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:20,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:20,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:20,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:20,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:39:20,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:20,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:20,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:20,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:39:20,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:20,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:20,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 02:39:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:20,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:20,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:20,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:20,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:20,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:39:20,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:20,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:20,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:20,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:39:20,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:20,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:20,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-15 02:39:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:20,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:20,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:20,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:20,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:20,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:39:20,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:20,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:20,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:20,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:39:20,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:20,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:20,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-15 02:39:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:20,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:20,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:20,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:20,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:20,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:39:20,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:20,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:20,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:20,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:39:20,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:20,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:20,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 02:39:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:20,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:20,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:20,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:39:20,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:20,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:39:20,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:20,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:20,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:20,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:39:20,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:20,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:20,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:39:20,504 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1563696062] [2020-10-15 02:39:20,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:39:20,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 02:39:20,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228201680] [2020-10-15 02:39:20,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 02:39:20,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:39:20,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 02:39:20,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-15 02:39:20,533 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 9 states. [2020-10-15 02:39:22,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:39:22,141 INFO L93 Difference]: Finished difference Result 318 states and 482 transitions. [2020-10-15 02:39:22,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 02:39:22,142 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2020-10-15 02:39:22,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:39:22,156 INFO L225 Difference]: With dead ends: 318 [2020-10-15 02:39:22,156 INFO L226 Difference]: Without dead ends: 188 [2020-10-15 02:39:22,160 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-15 02:39:22,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-10-15 02:39:22,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 181. [2020-10-15 02:39:22,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-10-15 02:39:22,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 280 transitions. [2020-10-15 02:39:22,225 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 280 transitions. Word has length 75 [2020-10-15 02:39:22,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:39:22,226 INFO L479 AbstractCegarLoop]: Abstraction has 181 states and 280 transitions. [2020-10-15 02:39:22,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 02:39:22,226 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 280 transitions. [2020-10-15 02:39:22,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-15 02:39:22,230 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:39:22,230 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] [2020-10-15 02:39:22,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 02:39:22,231 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:39:22,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:39:22,231 INFO L82 PathProgramCache]: Analyzing trace with hash 584895128, now seen corresponding path program 1 times [2020-10-15 02:39:22,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:39:22,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1491006041] [2020-10-15 02:39:22,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:39:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:22,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:22,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:22,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-15 02:39:22,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:22,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 620 [2020-10-15 02:39:22,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:22,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:22,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:39:22,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 02:39:22,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 02:39:22,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:23,121 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 02:39:23,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:39:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:23,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:23,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:23,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:39:23,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:23,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 02:39:23,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:23,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:23,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:23,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:39:23,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:23,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-15 02:39:23,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:39:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:23,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:23,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:23,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:39:23,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:23,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 02:39:23,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:23,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:23,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:39:23,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:39:23,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:39:23,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:23,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 02:39:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:23,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:23,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:23,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:39:23,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:23,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:39:23,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:23,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:23,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:39:23,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:39:23,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:39:23,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:23,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-15 02:39:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:23,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:23,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:23,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:39:23,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:23,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:39:23,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:23,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:23,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:23,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:39:23,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:23,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:23,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 02:39:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:23,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:23,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:23,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:23,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:23,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:39:23,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:23,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:23,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:23,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:39:23,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:23,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:23,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-15 02:39:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:23,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:23,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:23,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:23,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:23,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:39:23,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:23,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:23,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:23,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:39:23,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:23,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:23,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 02:39:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:23,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:23,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:23,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:23,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:23,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:39:23,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:23,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:23,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:23,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:39:23,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:23,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:23,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-15 02:39:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:23,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:23,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:23,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:23,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:23,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:39:23,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:23,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:23,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:23,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:39:23,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:23,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:23,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-15 02:39:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:23,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:23,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:23,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:23,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:23,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:39:23,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:23,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:23,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:23,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:39:23,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:23,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:39:23,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 02:39:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:23,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:23,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:23,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:39:23,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:23,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:39:23,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:23,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:23,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:23,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 02:39:23,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:23,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:23,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:39:23,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1491006041] [2020-10-15 02:39:23,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:39:23,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-15 02:39:23,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347752767] [2020-10-15 02:39:23,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-15 02:39:23,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:39:23,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-15 02:39:23,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-15 02:39:23,682 INFO L87 Difference]: Start difference. First operand 181 states and 280 transitions. Second operand 15 states. [2020-10-15 02:39:23,905 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-15 02:39:24,130 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-15 02:39:24,474 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-15 02:39:24,700 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:39:26,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:39:26,929 INFO L93 Difference]: Finished difference Result 316 states and 474 transitions. [2020-10-15 02:39:26,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 02:39:26,930 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 75 [2020-10-15 02:39:26,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:39:26,936 INFO L225 Difference]: With dead ends: 316 [2020-10-15 02:39:26,936 INFO L226 Difference]: Without dead ends: 188 [2020-10-15 02:39:26,939 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2020-10-15 02:39:26,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-10-15 02:39:26,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 181. [2020-10-15 02:39:26,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-10-15 02:39:26,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 239 transitions. [2020-10-15 02:39:26,985 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 239 transitions. Word has length 75 [2020-10-15 02:39:26,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:39:26,985 INFO L479 AbstractCegarLoop]: Abstraction has 181 states and 239 transitions. [2020-10-15 02:39:26,985 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-15 02:39:26,985 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 239 transitions. [2020-10-15 02:39:26,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-15 02:39:26,994 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:39:26,994 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] [2020-10-15 02:39:26,994 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 02:39:26,995 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:39:26,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:39:26,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1332407966, now seen corresponding path program 1 times [2020-10-15 02:39:26,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:39:26,998 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [360792805] [2020-10-15 02:39:26,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:39:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:27,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:27,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:27,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:27,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:28,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:32,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:32,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-15 02:39:32,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:39:32,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-15 02:39:32,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:32,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:32,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 02:39:32,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-15 02:39:32,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-15 02:39:32,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:32,351 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 02:39:32,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:39:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:32,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:32,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:32,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:39:32,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:32,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:39:32,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:32,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:32,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:39:32,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:39:32,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:39:32,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:32,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:39:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:32,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:32,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:32,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 02:39:32,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:32,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-15 02:39:32,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:32,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:32,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:39:32,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:39:32,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 02:39:32,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:32,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 02:39:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:32,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:32,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:32,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:39:32,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:32,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:39:32,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:32,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:32,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:39:32,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:39:32,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:39:32,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:39:32,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 02:39:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:32,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:32,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:32,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:39:32,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:32,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:39:32,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:32,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:32,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:39:32,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:39:32,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 02:39:32,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:32,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 02:39:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:32,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:32,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:32,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:32,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:32,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 02:39:32,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:32,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:32,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:39:32,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:39:32,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:39:32,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:32,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 02:39:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:32,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:32,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:32,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:32,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:32,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:39:32,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:32,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:32,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:39:32,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:39:32,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:39:32,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:39:32,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 02:39:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:32,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:32,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:32,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:32,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:32,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 02:39:32,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:32,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:32,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:39:32,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:39:32,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:39:32,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:32,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 02:39:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:32,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:32,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:32,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:32,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:32,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:39:32,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:32,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:32,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:39:32,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:39:32,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:39:32,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:39:32,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-15 02:39:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:32,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:33,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:33,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:39:33,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:33,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 02:39:33,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:33,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:33,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:39:33,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:39:33,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:39:33,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:39:33,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-15 02:39:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:39:33,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:39:33,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:39:33,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 02:39:33,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:39:33,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:39:33,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:39:33,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:39:33,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:39:33,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 02:39:33,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:39:33,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:39:33,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:39:33,175 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [360792805] [2020-10-15 02:39:33,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:39:33,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-10-15 02:39:33,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144174475] [2020-10-15 02:39:33,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-15 02:39:33,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:39:33,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-15 02:39:33,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=410, Unknown=0, NotChecked=0, Total=506 [2020-10-15 02:39:33,179 INFO L87 Difference]: Start difference. First operand 181 states and 239 transitions. Second operand 23 states. [2020-10-15 02:39:33,400 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-15 02:39:33,623 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-15 02:39:33,812 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 02:39:34,002 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-15 02:39:34,203 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-15 02:39:34,424 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-15 02:39:41,383 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-15 02:39:41,596 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-15 02:39:41,817 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-15 02:39:42,038 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:39:42,225 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-15 02:39:42,406 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-15 02:39:53,417 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2020-10-15 02:40:02,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:40:02,270 INFO L93 Difference]: Finished difference Result 2342 states and 3777 transitions. [2020-10-15 02:40:02,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2020-10-15 02:40:02,271 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 115 [2020-10-15 02:40:02,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:40:02,304 INFO L225 Difference]: With dead ends: 2342 [2020-10-15 02:40:02,304 INFO L226 Difference]: Without dead ends: 2220 [2020-10-15 02:40:02,322 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13236 ImplicationChecksByTransitivity, 13.3s TimeCoverageRelationStatistics Valid=5981, Invalid=25881, Unknown=0, NotChecked=0, Total=31862 [2020-10-15 02:40:02,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2220 states. [2020-10-15 02:40:02,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2220 to 1687. [2020-10-15 02:40:02,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1687 states. [2020-10-15 02:40:02,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 2491 transitions. [2020-10-15 02:40:02,524 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 2491 transitions. Word has length 115 [2020-10-15 02:40:02,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:40:02,524 INFO L479 AbstractCegarLoop]: Abstraction has 1687 states and 2491 transitions. [2020-10-15 02:40:02,525 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-15 02:40:02,525 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2491 transitions. [2020-10-15 02:40:02,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-15 02:40:02,530 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:40:02,530 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] [2020-10-15 02:40:02,530 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 02:40:02,531 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:40:02,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:40:02,531 INFO L82 PathProgramCache]: Analyzing trace with hash -355350013, now seen corresponding path program 1 times [2020-10-15 02:40:02,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:40:02,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [948395849] [2020-10-15 02:40:02,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:40:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:02,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:02,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:02,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:02,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:03,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:07,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:07,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-15 02:40:07,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:40:07,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-15 02:40:07,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:07,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:07,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:07,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-15 02:40:07,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-15 02:40:07,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:07,777 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 02:40:07,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:40:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:07,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:07,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:07,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:40:07,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:07,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:40:07,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:07,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:07,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:07,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:07,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:07,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:07,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:40:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:07,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:07,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:07,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 02:40:07,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:07,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 02:40:07,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:07,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:07,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:07,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:07,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 02:40:07,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:07,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 02:40:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:07,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:07,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:07,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:40:07,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:07,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:40:07,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:07,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:07,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:07,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:07,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:40:07,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:07,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 02:40:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:07,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:07,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:07,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:07,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:07,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:40:07,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:07,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:07,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:07,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:07,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:40:07,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:07,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 02:40:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:07,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:07,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:07,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:07,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:07,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:40:07,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:07,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:07,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:07,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:07,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:40:07,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:07,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 02:40:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:07,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:07,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:07,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:07,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:07,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:40:07,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:07,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:07,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:07,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:07,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:40:07,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:07,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 02:40:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:07,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:07,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:07,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:07,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:07,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:40:07,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:07,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:07,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:07,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:07,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:40:07,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:07,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 02:40:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:08,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:08,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:08,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:08,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:08,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:40:08,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:08,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:08,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:08,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:40:08,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:40:08,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:08,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-15 02:40:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:08,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:08,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:08,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:08,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:08,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:40:08,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:08,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:08,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:08,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:08,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:08,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:08,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-15 02:40:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:08,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:08,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:08,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:08,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:08,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:40:08,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:08,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:08,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:08,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:08,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:08,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:08,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:40:08,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [948395849] [2020-10-15 02:40:08,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:40:08,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 02:40:08,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632380837] [2020-10-15 02:40:08,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:40:08,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:40:08,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:40:08,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:40:08,129 INFO L87 Difference]: Start difference. First operand 1687 states and 2491 transitions. Second operand 12 states. [2020-10-15 02:40:08,328 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-15 02:40:11,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:40:11,641 INFO L93 Difference]: Finished difference Result 4938 states and 7278 transitions. [2020-10-15 02:40:11,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 02:40:11,641 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 116 [2020-10-15 02:40:11,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:40:11,665 INFO L225 Difference]: With dead ends: 4938 [2020-10-15 02:40:11,666 INFO L226 Difference]: Without dead ends: 3310 [2020-10-15 02:40:11,673 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:40:11,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3310 states. [2020-10-15 02:40:11,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3310 to 3139. [2020-10-15 02:40:11,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3139 states. [2020-10-15 02:40:11,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3139 states to 3139 states and 4637 transitions. [2020-10-15 02:40:11,964 INFO L78 Accepts]: Start accepts. Automaton has 3139 states and 4637 transitions. Word has length 116 [2020-10-15 02:40:11,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:40:11,965 INFO L479 AbstractCegarLoop]: Abstraction has 3139 states and 4637 transitions. [2020-10-15 02:40:11,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:40:11,965 INFO L276 IsEmpty]: Start isEmpty. Operand 3139 states and 4637 transitions. [2020-10-15 02:40:11,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-15 02:40:11,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:40:11,969 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] [2020-10-15 02:40:11,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 02:40:11,969 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:40:11,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:40:11,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1672926795, now seen corresponding path program 1 times [2020-10-15 02:40:11,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:40:11,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1660019413] [2020-10-15 02:40:11,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:40:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:12,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:12,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:12,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:12,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:13,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:17,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:17,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-15 02:40:17,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 02:40:17,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 02:40:17,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:17,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:17,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:17,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-15 02:40:17,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-15 02:40:17,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:17,200 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 02:40:17,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:40:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:17,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:17,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:17,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:40:17,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:17,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:40:17,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:17,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:17,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:17,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:17,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:17,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:17,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:40:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:17,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:17,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:17,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 02:40:17,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:17,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:40:17,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:17,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:17,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:17,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:17,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-15 02:40:17,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:17,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 02:40:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:17,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:17,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:17,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:40:17,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:17,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:40:17,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:17,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:17,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:17,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:17,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:40:17,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:17,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 02:40:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:17,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:17,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:17,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:17,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:17,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:40:17,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:17,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:17,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:17,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:17,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:40:17,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:17,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 02:40:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:17,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:17,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:17,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:17,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:17,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:40:17,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:17,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:17,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:17,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:17,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:40:17,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:17,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 02:40:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:17,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:17,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:17,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:17,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:17,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:40:17,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:17,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:17,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:17,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:17,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:40:17,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:17,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 02:40:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:17,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:17,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:17,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:17,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:17,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:40:17,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:17,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:17,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:17,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:40:17,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:40:17,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:17,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 02:40:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:17,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:17,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:17,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:17,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:17,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:40:17,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:17,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:17,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:17,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:40:17,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:17,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:17,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-15 02:40:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:17,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:17,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:17,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:17,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:17,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:40:17,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:17,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:17,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:17,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:17,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:17,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:17,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-15 02:40:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:17,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:17,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:17,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:17,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:17,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:40:17,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:17,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:17,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:17,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:17,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:17,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:17,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:40:17,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1660019413] [2020-10-15 02:40:17,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:40:17,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 02:40:17,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010858686] [2020-10-15 02:40:17,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:40:17,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:40:17,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:40:17,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:40:17,545 INFO L87 Difference]: Start difference. First operand 3139 states and 4637 transitions. Second operand 12 states. [2020-10-15 02:40:17,740 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-15 02:40:20,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:40:20,917 INFO L93 Difference]: Finished difference Result 9269 states and 13617 transitions. [2020-10-15 02:40:20,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 02:40:20,923 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 117 [2020-10-15 02:40:20,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:40:20,958 INFO L225 Difference]: With dead ends: 9269 [2020-10-15 02:40:20,958 INFO L226 Difference]: Without dead ends: 6189 [2020-10-15 02:40:20,969 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=189, Invalid=513, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:40:20,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6189 states. [2020-10-15 02:40:21,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6189 to 5875. [2020-10-15 02:40:21,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5875 states. [2020-10-15 02:40:21,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5875 states to 5875 states and 8648 transitions. [2020-10-15 02:40:21,435 INFO L78 Accepts]: Start accepts. Automaton has 5875 states and 8648 transitions. Word has length 117 [2020-10-15 02:40:21,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:40:21,435 INFO L479 AbstractCegarLoop]: Abstraction has 5875 states and 8648 transitions. [2020-10-15 02:40:21,436 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:40:21,436 INFO L276 IsEmpty]: Start isEmpty. Operand 5875 states and 8648 transitions. [2020-10-15 02:40:21,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-15 02:40:21,438 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:40:21,438 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] [2020-10-15 02:40:21,438 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 02:40:21,438 INFO L427 AbstractCegarLoop]: === Iteration 6 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:40:21,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:40:21,439 INFO L82 PathProgramCache]: Analyzing trace with hash -918529755, now seen corresponding path program 1 times [2020-10-15 02:40:21,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:40:21,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1128641700] [2020-10-15 02:40:21,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:40:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:21,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:21,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:21,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:21,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:26,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:26,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 144 [2020-10-15 02:40:26,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 02:40:26,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-15 02:40:26,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:26,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:26,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:26,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-15 02:40:26,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-15 02:40:26,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:26,707 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 02:40:26,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:40:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:26,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:26,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:26,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:40:26,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:26,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:40:26,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:26,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:26,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:26,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:26,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:26,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:26,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:40:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:26,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:26,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:26,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 02:40:26,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:26,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-15 02:40:26,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:26,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:26,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:26,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:26,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-15 02:40:26,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:26,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 02:40:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:26,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:26,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:26,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:40:26,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:26,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:40:26,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:26,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:26,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:26,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:26,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:40:26,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:40:26,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 02:40:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:26,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:26,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:26,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:26,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:26,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:40:26,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:26,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:26,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:26,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:26,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:40:26,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:26,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 02:40:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:26,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:26,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:26,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:26,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:26,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:40:26,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:26,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:26,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:26,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:26,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:40:26,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:26,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 02:40:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:26,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:26,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:26,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:26,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:26,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:40:26,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:26,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:26,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:26,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:26,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:40:26,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:26,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 02:40:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:26,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:26,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:26,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:26,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:26,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:40:26,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:26,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:26,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:26,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:26,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:40:26,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:27,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-15 02:40:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:27,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:27,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:27,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:27,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:27,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:40:27,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:27,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:27,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:27,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:27,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:40:27,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:27,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-15 02:40:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:27,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:27,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:27,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:27,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:27,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-15 02:40:27,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:27,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:27,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:27,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:40:27,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:40:27,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:27,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-15 02:40:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:27,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:27,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:27,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:27,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:27,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:40:27,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:27,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:27,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:27,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:27,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:27,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:27,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:40:27,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1128641700] [2020-10-15 02:40:27,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:40:27,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 02:40:27,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105908037] [2020-10-15 02:40:27,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:40:27,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:40:27,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:40:27,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:40:27,282 INFO L87 Difference]: Start difference. First operand 5875 states and 8648 transitions. Second operand 12 states. [2020-10-15 02:40:27,577 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-15 02:40:31,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:40:31,097 INFO L93 Difference]: Finished difference Result 17383 states and 25414 transitions. [2020-10-15 02:40:31,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 02:40:31,097 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 118 [2020-10-15 02:40:31,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:40:31,163 INFO L225 Difference]: With dead ends: 17383 [2020-10-15 02:40:31,163 INFO L226 Difference]: Without dead ends: 11567 [2020-10-15 02:40:31,180 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:40:31,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11567 states. [2020-10-15 02:40:31,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11567 to 10993. [2020-10-15 02:40:31,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10993 states. [2020-10-15 02:40:31,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10993 states to 10993 states and 16096 transitions. [2020-10-15 02:40:31,901 INFO L78 Accepts]: Start accepts. Automaton has 10993 states and 16096 transitions. Word has length 118 [2020-10-15 02:40:31,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:40:31,904 INFO L479 AbstractCegarLoop]: Abstraction has 10993 states and 16096 transitions. [2020-10-15 02:40:31,904 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:40:31,904 INFO L276 IsEmpty]: Start isEmpty. Operand 10993 states and 16096 transitions. [2020-10-15 02:40:31,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-15 02:40:31,906 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:40:31,906 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] [2020-10-15 02:40:31,907 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 02:40:31,907 INFO L427 AbstractCegarLoop]: === Iteration 7 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:40:31,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:40:31,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1879899088, now seen corresponding path program 1 times [2020-10-15 02:40:31,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:40:31,908 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1704343809] [2020-10-15 02:40:31,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:40:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:31,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:31,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:32,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:35,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:35,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-15 02:40:35,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 02:40:35,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3372 [2020-10-15 02:40:35,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:35,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:35,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:35,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-15 02:40:35,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-15 02:40:35,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:35,669 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 02:40:35,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:40:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:35,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:35,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:35,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:40:35,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:35,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:40:35,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:35,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:35,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:35,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:35,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:35,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:35,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:40:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:35,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:35,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:35,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 02:40:35,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:35,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 02:40:35,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:35,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:35,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:35,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:35,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:40:35,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:40:35,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 02:40:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:35,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:35,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:35,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:40:35,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:35,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:40:35,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:35,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:35,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:35,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:35,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:40:35,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:35,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 02:40:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:35,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:35,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:35,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:35,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:35,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:40:35,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:35,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:35,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:35,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:35,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:40:35,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:35,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 02:40:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:35,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:35,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:35,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:35,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:35,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:40:35,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:35,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:35,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:35,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:35,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 02:40:35,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:35,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 02:40:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:35,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:35,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:35,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:35,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:35,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 02:40:35,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:35,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:35,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:35,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:40:35,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:40:35,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:35,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 02:40:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:35,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:35,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:35,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:35,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:35,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:40:35,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:35,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:35,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:35,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:40:35,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:35,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:35,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-15 02:40:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:35,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:35,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:35,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:35,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:35,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:40:35,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:35,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:35,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:35,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:40:35,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:35,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:36,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-15 02:40:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:36,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:36,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:36,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:36,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:36,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:40:36,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:36,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:36,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:36,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:40:36,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:36,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:36,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-15 02:40:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:36,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:36,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:36,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:36,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:36,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:40:36,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:36,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:36,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:36,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:36,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:36,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:36,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:40:36,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1704343809] [2020-10-15 02:40:36,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:40:36,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 02:40:36,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615055893] [2020-10-15 02:40:36,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:40:36,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:40:36,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:40:36,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:40:36,067 INFO L87 Difference]: Start difference. First operand 10993 states and 16096 transitions. Second operand 12 states. [2020-10-15 02:40:36,269 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-15 02:40:40,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:40:40,221 INFO L93 Difference]: Finished difference Result 32557 states and 47274 transitions. [2020-10-15 02:40:40,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 02:40:40,222 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 119 [2020-10-15 02:40:40,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:40:40,315 INFO L225 Difference]: With dead ends: 32557 [2020-10-15 02:40:40,316 INFO L226 Difference]: Without dead ends: 21623 [2020-10-15 02:40:40,346 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:40:40,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21623 states. [2020-10-15 02:40:41,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21623 to 20581. [2020-10-15 02:40:41,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20581 states. [2020-10-15 02:40:41,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20581 states to 20581 states and 29884 transitions. [2020-10-15 02:40:41,475 INFO L78 Accepts]: Start accepts. Automaton has 20581 states and 29884 transitions. Word has length 119 [2020-10-15 02:40:41,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:40:41,475 INFO L479 AbstractCegarLoop]: Abstraction has 20581 states and 29884 transitions. [2020-10-15 02:40:41,475 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:40:41,475 INFO L276 IsEmpty]: Start isEmpty. Operand 20581 states and 29884 transitions. [2020-10-15 02:40:41,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-15 02:40:41,477 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:40:41,477 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] [2020-10-15 02:40:41,477 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 02:40:41,477 INFO L427 AbstractCegarLoop]: === Iteration 8 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:40:41,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:40:41,478 INFO L82 PathProgramCache]: Analyzing trace with hash 840336392, now seen corresponding path program 1 times [2020-10-15 02:40:41,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:40:41,478 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1749622074] [2020-10-15 02:40:41,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:40:41,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:41,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:41,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:42,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:42,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-15 02:40:42,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:40:42,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1086 [2020-10-15 02:40:42,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:42,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:42,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:42,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-15 02:40:42,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-15 02:40:42,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:42,778 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 02:40:42,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:40:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:42,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:42,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:42,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:40:42,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:42,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:40:42,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:42,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:42,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:42,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:42,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:42,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:42,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:40:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:42,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:42,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:42,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 02:40:42,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:42,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 02:40:42,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:42,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:42,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:42,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:42,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-15 02:40:42,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:40:42,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 02:40:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:42,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:42,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:42,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:40:42,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:42,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:40:42,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:42,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:42,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:42,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:42,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:40:42,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:42,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 02:40:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:42,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:42,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:42,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:42,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:42,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:40:42,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:42,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:42,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:42,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:42,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:40:42,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:42,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 02:40:42,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:42,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:42,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:42,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:42,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:42,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:40:42,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:42,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:42,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:40:42,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 02:40:42,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:40:42,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:42,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-15 02:40:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:42,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:42,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:42,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:42,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:42,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:40:42,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:42,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:42,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:42,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:40:42,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:42,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:43,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-15 02:40:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:43,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:43,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:43,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:43,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:43,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:40:43,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:43,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:43,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:43,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:40:43,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:43,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:43,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-15 02:40:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:43,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:43,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:43,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:43,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:43,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:40:43,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:43,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:43,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:43,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:40:43,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:43,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:43,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-15 02:40:43,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:43,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:43,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:43,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:43,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:43,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:40:43,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:43,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:43,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:43,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-15 02:40:43,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:43,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:43,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-15 02:40:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:43,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:43,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:43,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:43,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:43,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:40:43,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:43,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:43,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:43,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:43,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:43,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:43,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:40:43,124 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1749622074] [2020-10-15 02:40:43,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:40:43,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 02:40:43,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475583056] [2020-10-15 02:40:43,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 02:40:43,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:40:43,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 02:40:43,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-15 02:40:43,126 INFO L87 Difference]: Start difference. First operand 20581 states and 29884 transitions. Second operand 12 states. [2020-10-15 02:40:43,911 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-15 02:40:48,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:40:48,373 INFO L93 Difference]: Finished difference Result 60857 states and 87566 transitions. [2020-10-15 02:40:48,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 02:40:48,375 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 120 [2020-10-15 02:40:48,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:40:48,531 INFO L225 Difference]: With dead ends: 60857 [2020-10-15 02:40:48,532 INFO L226 Difference]: Without dead ends: 40335 [2020-10-15 02:40:48,594 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:40:48,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40335 states. [2020-10-15 02:40:50,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40335 to 38461. [2020-10-15 02:40:50,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38461 states. [2020-10-15 02:40:50,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38461 states to 38461 states and 55244 transitions. [2020-10-15 02:40:50,745 INFO L78 Accepts]: Start accepts. Automaton has 38461 states and 55244 transitions. Word has length 120 [2020-10-15 02:40:50,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:40:50,745 INFO L479 AbstractCegarLoop]: Abstraction has 38461 states and 55244 transitions. [2020-10-15 02:40:50,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 02:40:50,746 INFO L276 IsEmpty]: Start isEmpty. Operand 38461 states and 55244 transitions. [2020-10-15 02:40:50,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-15 02:40:50,747 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:40:50,747 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] [2020-10-15 02:40:50,747 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 02:40:50,748 INFO L427 AbstractCegarLoop]: === Iteration 9 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:40:50,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:40:50,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1034766124, now seen corresponding path program 1 times [2020-10-15 02:40:50,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:40:50,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2061204524] [2020-10-15 02:40:50,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:40:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:50,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:51,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:52,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:52,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-15 02:40:52,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:40:52,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1320 [2020-10-15 02:40:52,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:52,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:52,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:40:52,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 02:40:52,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-15 02:40:52,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:52,359 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-15 02:40:52,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:40:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:52,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:52,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:52,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 02:40:52,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:52,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:40:52,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:52,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:52,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:52,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:52,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:52,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:52,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 02:40:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:52,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:52,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:52,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-15 02:40:52,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:52,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:40:52,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:52,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:52,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:52,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:52,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 02:40:52,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:52,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 02:40:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:52,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:52,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:52,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:40:52,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:52,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:40:52,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:52,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:52,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:52,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:52,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:40:52,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:52,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-15 02:40:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:52,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:52,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:52,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:52,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:52,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:40:52,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:52,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:52,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:40:52,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:52,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:40:52,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:52,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 02:40:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:52,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:52,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:52,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:52,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:52,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:40:52,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:52,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:52,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:40:52,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:52,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:40:52,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:52,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 02:40:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:52,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:52,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:52,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:52,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:52,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:40:52,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:52,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:52,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:40:52,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:52,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:40:52,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:52,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-15 02:40:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:52,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:52,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:52,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:52,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:52,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:40:52,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:52,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:52,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:40:52,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:52,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:40:52,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:52,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-15 02:40:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:52,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:52,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:52,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:52,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:52,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:40:52,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:52,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:52,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:40:52,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:40:52,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 02:40:52,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:52,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-15 02:40:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:52,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:52,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:52,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-15 02:40:52,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:52,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:40:52,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:52,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:52,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:40:52,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-15 02:40:52,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:40:52,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:52,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-15 02:40:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:40:52,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:40:52,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:40:52,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 02:40:52,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:40:52,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:40:52,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:40:52,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:40:52,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:40:52,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-15 02:40:52,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:40:52,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:40:52,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:40:52,870 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2061204524] [2020-10-15 02:40:52,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:40:52,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2020-10-15 02:40:52,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296233400] [2020-10-15 02:40:52,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-15 02:40:52,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:40:52,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-15 02:40:52,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2020-10-15 02:40:52,872 INFO L87 Difference]: Start difference. First operand 38461 states and 55244 transitions. Second operand 21 states. [2020-10-15 02:40:53,168 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:40:53,415 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-15 02:40:54,284 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:40:54,743 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:40:55,159 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:40:55,378 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:40:55,607 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:40:56,571 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-15 02:40:56,792 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:40:57,010 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:40:57,258 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:40:57,488 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:40:57,719 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-15 02:40:57,941 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:40:59,620 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-15 02:40:59,873 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-15 02:41:00,098 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-15 02:41:00,333 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-15 02:41:00,570 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-15 02:41:01,050 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-15 02:41:01,299 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-10-15 02:41:01,533 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-15 02:41:01,767 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-15 02:41:02,038 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-15 02:41:02,272 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-15 02:41:02,756 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-15 02:41:02,989 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-15 02:41:03,488 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-15 02:41:03,722 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-15 02:41:06,448 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-15 02:41:06,716 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-15 02:41:06,983 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:07,262 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-15 02:41:07,491 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:07,744 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-15 02:41:08,164 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:08,443 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-10-15 02:41:08,682 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:08,931 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:09,165 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:09,434 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:09,666 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:09,932 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:10,169 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:10,414 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:10,643 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:11,166 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:11,397 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:11,646 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:11,873 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:12,129 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:12,355 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:12,878 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:13,114 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:13,360 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:13,594 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:14,428 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:14,659 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:15,026 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:41:15,934 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:16,175 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:41:17,463 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:41:17,666 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:41:18,005 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:41:18,198 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:41:18,409 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:41:18,605 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:41:19,100 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:41:19,300 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:41:19,982 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:41:20,200 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:41:23,090 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-15 02:41:23,376 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:23,690 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-15 02:41:23,953 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:24,237 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-15 02:41:24,486 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:24,757 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-15 02:41:25,013 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:25,298 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2020-10-15 02:41:26,318 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-15 02:41:26,588 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:41:26,849 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:27,119 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:41:27,375 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:27,669 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:41:27,932 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:28,206 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:41:28,475 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:28,746 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:41:28,997 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:29,273 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:41:29,534 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:29,804 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:41:30,054 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:30,186 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:41:30,468 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:41:30,732 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:30,997 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:41:31,254 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:31,536 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-15 02:41:31,798 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-15 02:41:32,090 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:41:32,350 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:32,616 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:41:32,882 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:33,152 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:41:33,421 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:33,581 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:41:33,727 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:41:34,015 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:41:34,285 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:34,550 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:41:34,814 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:35,084 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:41:35,348 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:35,603 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:41:35,856 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:36,009 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:41:36,144 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:41:36,305 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:41:36,591 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:41:36,981 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:41:37,240 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:37,500 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:41:37,762 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:38,018 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-15 02:41:38,280 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-15 02:41:38,439 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:41:38,846 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-15 02:41:39,115 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:41:39,266 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:41:39,449 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:41:39,611 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:41:39,924 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:41:40,332 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-15 02:41:40,609 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:41:40,873 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-15 02:41:41,150 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:41:41,404 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-15 02:41:41,677 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:41:41,827 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:41:42,115 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:41:42,416 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:41:42,704 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:41:42,852 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:41:43,124 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-15 02:41:43,388 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-15 02:41:43,531 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:41:43,673 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:41:43,831 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:41:44,134 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:41:44,408 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:41:45,458 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-15 02:41:45,752 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-15 02:41:45,890 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:41:46,168 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:41:47,259 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:41:48,832 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:01,595 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:42:01,926 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:42:02,134 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:42:02,334 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:02,513 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:42:02,759 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 02:42:02,975 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:42:03,156 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:42:03,378 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:03,563 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:42:03,772 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:42:03,959 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:42:04,167 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:04,342 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:42:04,540 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:04,706 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:42:04,919 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:05,102 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:42:05,286 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:42:05,499 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:05,672 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-15 02:42:05,859 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:42:06,048 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:06,214 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:42:06,401 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:06,576 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:42:06,818 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:06,987 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:42:07,158 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:42:07,361 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:07,556 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:42:07,827 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:07,998 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:42:08,249 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:08,527 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:08,787 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:42:08,978 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:09,145 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:42:09,339 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:09,513 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-15 02:42:09,755 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:09,940 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-15 02:42:10,318 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-15 02:42:10,536 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-15 02:42:10,783 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-15 02:42:10,964 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-15 02:42:11,131 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-15 02:42:11,867 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-15 02:42:12,451 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-10-15 02:42:12,657 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-15 02:42:16,847 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:17,067 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:17,278 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:42:17,468 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:17,905 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:18,219 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:18,531 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:18,783 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:18,978 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:19,196 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:19,369 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:19,607 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:19,850 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:20,059 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:20,295 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:20,481 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:20,695 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:20,907 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:21,163 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:21,367 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:21,647 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:21,864 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:22,036 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:22,287 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:22,545 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:22,825 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:23,102 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:23,279 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:23,480 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:23,655 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:23,908 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:24,098 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:24,318 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:24,504 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:24,705 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:24,893 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:25,166 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:25,377 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:25,573 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:25,793 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:25,970 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:26,199 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:26,662 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:26,856 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:27,103 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:27,337 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:27,657 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:27,845 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:28,078 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:28,325 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:28,635 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:28,839 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:29,035 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:29,246 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:29,430 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:29,659 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:30,176 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:42:30,697 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:42:31,069 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:42:31,280 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-15 02:42:31,515 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:42:31,745 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:42:32,739 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-15 02:42:33,883 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:34,123 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:34,359 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:42:34,566 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:34,949 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:35,330 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:35,757 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:36,003 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:36,208 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:36,441 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:36,637 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:36,902 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:37,136 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:37,363 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:37,623 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:37,833 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:38,086 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:38,324 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:38,622 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:38,849 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:39,304 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:39,567 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:39,764 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:40,053 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:40,334 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:40,647 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:40,885 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:41,094 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:41,325 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:41,529 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:41,822 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:42,036 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:42,282 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:42,490 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:42,715 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:42,922 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:43,230 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:43,469 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:43,699 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:43,942 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:44,182 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:42:44,480 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:45,025 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:45,237 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:45,510 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:45,770 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:46,098 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:46,317 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:46,576 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:46,838 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:47,169 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:47,398 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:47,615 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:47,834 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:48,058 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-10-15 02:42:48,326 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:42:49,028 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:42:49,490 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:42:49,952 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:42:50,182 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-15 02:42:50,442 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:42:50,681 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:42:51,891 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-15 02:42:53,230 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:53,493 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:53,750 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:42:53,974 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:54,397 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:54,864 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:42:55,397 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:55,659 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:55,879 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:56,131 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:56,452 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:56,726 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:56,985 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:57,211 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:57,505 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:57,735 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:58,013 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:58,268 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:58,611 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:42:58,864 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:59,272 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 02:42:59,563 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:42:59,782 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:00,100 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:00,424 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:00,747 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-15 02:43:01,003 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:43:01,225 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 99