/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 SingleStatement --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=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label08.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:16:02,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:16:02,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:16:02,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:16:02,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:16:02,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:16:02,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:16:02,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:16:02,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:16:02,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:16:02,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:16:02,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:16:02,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:16:02,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:16:02,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:16:02,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:16:02,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:16:02,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:16:02,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:16:02,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:16:02,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:16:02,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:16:02,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:16:02,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:16:02,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:16:02,614 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:16:02,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:16:02,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:16:02,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:16:02,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-09-25 03:16:02,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:16:02,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:16:02,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:16:02,626 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 [2020-09-25 03:16:02,653 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:16:02,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:16:02,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:16:02,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:16:02,658 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:16:02,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:16:02,658 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:16:02,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:16:02,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:16:02,659 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:16:02,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:16:02,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:16:02,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:16:02,659 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:16:02,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:16:02,661 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:16:02,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:16:02,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:16:02,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:16:02,662 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:16:02,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:16:02,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:16:02,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:16:02,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:16:02,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:16:02,663 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:16:02,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:16:02,664 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:16:02,664 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:16:02,664 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 -> SingleStatement 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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=true; [2020-09-25 03:16:03,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:16:03,204 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:16:03,208 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:16:03,213 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:16:03,215 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:16:03,216 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label08.c [2020-09-25 03:16:03,311 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/faa7d31c1/70d0e199f80a4099b5fac152b0f6a1cb/FLAG11ce35b60 [2020-09-25 03:16:04,044 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:16:04,045 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label08.c [2020-09-25 03:16:04,058 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/faa7d31c1/70d0e199f80a4099b5fac152b0f6a1cb/FLAG11ce35b60 [2020-09-25 03:16:04,222 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/faa7d31c1/70d0e199f80a4099b5fac152b0f6a1cb [2020-09-25 03:16:04,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:16:04,244 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:16:04,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:16:04,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:16:04,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:16:04,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:16:04" (1/1) ... [2020-09-25 03:16:04,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@112bbb30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:04, skipping insertion in model container [2020-09-25 03:16:04,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:16:04" (1/1) ... [2020-09-25 03:16:04,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:16:04,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:16:04,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:16:04,782 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:16:05,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:16:05,042 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:16:05,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:05 WrapperNode [2020-09-25 03:16:05,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:16:05,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:16:05,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:16:05,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:16:05,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:05" (1/1) ... [2020-09-25 03:16:05,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:05" (1/1) ... [2020-09-25 03:16:05,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:05" (1/1) ... [2020-09-25 03:16:05,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:05" (1/1) ... [2020-09-25 03:16:05,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:05" (1/1) ... [2020-09-25 03:16:05,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:05" (1/1) ... [2020-09-25 03:16:05,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:05" (1/1) ... [2020-09-25 03:16:05,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:16:05,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:16:05,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:16:05,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:16:05,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:05" (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 [2020-09-25 03:16:05,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:16:05,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:16:05,334 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-25 03:16:05,334 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:16:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-25 03:16:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:16:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:16:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-25 03:16:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:16:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:16:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:16:07,153 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:16:07,153 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-25 03:16:07,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:16:07 BoogieIcfgContainer [2020-09-25 03:16:07,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:16:07,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:16:07,164 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:16:07,168 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:16:07,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:16:04" (1/3) ... [2020-09-25 03:16:07,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad18132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:16:07, skipping insertion in model container [2020-09-25 03:16:07,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:16:05" (2/3) ... [2020-09-25 03:16:07,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad18132 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:16:07, skipping insertion in model container [2020-09-25 03:16:07,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:16:07" (3/3) ... [2020-09-25 03:16:07,173 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label08.c [2020-09-25 03:16:07,185 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:16:07,196 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:16:07,219 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:16:07,255 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:16:07,255 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:16:07,255 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:16:07,256 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:16:07,256 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:16:07,256 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:16:07,256 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:16:07,256 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:16:07,298 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states. [2020-09-25 03:16:07,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-09-25 03:16:07,320 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:16:07,322 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:16:07,322 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:16:07,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:16:07,331 INFO L82 PathProgramCache]: Analyzing trace with hash 461278893, now seen corresponding path program 1 times [2020-09-25 03:16:07,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:16:07,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1002017105] [2020-09-25 03:16:07,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:16:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:16:07,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:16:08,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:16:08,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:16:08,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:16:08,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:16:08,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:16:09,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:16:09,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:16:10,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:16:11,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:16:12,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:16:12,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-09-25 03:16:12,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-09-25 03:16:12,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-09-25 03:16:12,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:16:12,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:16:12,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-25 03:16:12,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-09-25 03:16:12,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 03:16:12,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:16:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:16:12,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:16:12,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:16:12,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:16:12,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:16:12,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 03:16:12,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:16:12,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:16:12,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:16:12,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 03:16:12,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:16:13,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:16:13,047 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1002017105] [2020-09-25 03:16:13,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:16:13,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 03:16:13,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784875837] [2020-09-25 03:16:13,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 03:16:13,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:16:13,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 03:16:13,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 03:16:13,079 INFO L87 Difference]: Start difference. First operand 525 states. Second operand 4 states. [2020-09-25 03:16:15,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:16:15,556 INFO L93 Difference]: Finished difference Result 1268 states and 1667 transitions. [2020-09-25 03:16:15,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 03:16:15,559 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 141 [2020-09-25 03:16:15,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:16:15,591 INFO L225 Difference]: With dead ends: 1268 [2020-09-25 03:16:15,591 INFO L226 Difference]: Without dead ends: 694 [2020-09-25 03:16:15,601 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 03:16:15,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2020-09-25 03:16:15,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 603. [2020-09-25 03:16:15,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 603 states. [2020-09-25 03:16:15,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 719 transitions. [2020-09-25 03:16:15,707 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 719 transitions. Word has length 141 [2020-09-25 03:16:15,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:16:15,709 INFO L479 AbstractCegarLoop]: Abstraction has 603 states and 719 transitions. [2020-09-25 03:16:15,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 03:16:15,709 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 719 transitions. [2020-09-25 03:16:15,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-25 03:16:15,717 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:16:15,718 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:16:15,718 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:16:15,719 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:16:15,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:16:15,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1572128645, now seen corresponding path program 1 times [2020-09-25 03:16:15,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:16:15,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [399487672] [2020-09-25 03:16:15,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:16:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:16:15,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:16:15,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:16:16,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:16:18,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:16:19,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:16:20,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:16:20,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:16:20,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 03:16:20,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 03:16:20,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-09-25 03:16:20,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:16:20,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-09-25 03:16:20,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-25 03:16:20,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-09-25 03:16:20,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 03:16:21,836 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2020-09-25 03:16:22,048 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 43 [2020-09-25 03:16:22,554 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 56 [2020-09-25 03:16:23,069 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 60 [2020-09-25 03:16:23,782 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 68 [2020-09-25 03:16:24,531 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 71 [2020-09-25 03:16:25,379 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 63 [2020-09-25 03:16:26,094 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 64 [2020-09-25 03:16:27,022 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 67 [2020-09-25 03:16:27,959 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 69 [2020-09-25 03:16:28,859 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 66 [2020-09-25 03:16:29,774 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 65 [2020-09-25 03:16:30,710 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 65 [2020-09-25 03:16:31,310 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 74 [2020-09-25 03:16:32,184 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 76 [2020-09-25 03:16:32,839 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 75 [2020-09-25 03:16:33,590 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 69 [2020-09-25 03:16:34,398 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 65 [2020-09-25 03:16:34,935 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 58 [2020-09-25 03:16:35,608 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 59 [2020-09-25 03:16:36,176 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 49 [2020-09-25 03:16:36,693 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 44 [2020-09-25 03:16:37,167 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 43 [2020-09-25 03:16:37,539 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 32 [2020-09-25 03:16:37,873 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 35 [2020-09-25 03:16:37,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:16:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:16:38,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:16:38,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:16:38,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:16:38,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:16:38,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 03:16:38,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:16:38,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:16:38,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:16:38,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 03:16:38,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:16:38,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 03:16:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:16:38,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:16:38,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:16:38,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:16:38,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-25 03:16:38,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:16:38,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-09-25 03:16:38,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:16:38,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:16:38,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:16:38,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-25 03:16:38,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:16:38,961 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-25 03:16:38,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [399487672] [2020-09-25 03:16:38,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 03:16:38,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-09-25 03:16:38,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069359144] [2020-09-25 03:16:38,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-09-25 03:16:38,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:16:38,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-09-25 03:16:38,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=342, Invalid=990, Unknown=0, NotChecked=0, Total=1332 [2020-09-25 03:16:38,967 INFO L87 Difference]: Start difference. First operand 603 states and 719 transitions. Second operand 37 states. [2020-09-25 03:16:39,478 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-09-25 03:16:39,794 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2020-09-25 03:16:40,187 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 113 [2020-09-25 03:16:40,701 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 118 [2020-09-25 03:16:41,030 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2020-09-25 03:16:41,531 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 123 [2020-09-25 03:16:42,226 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 130 [2020-09-25 03:16:42,989 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 132 [2020-09-25 03:16:43,568 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 121 [2020-09-25 03:16:43,863 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2020-09-25 03:16:44,469 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 124 [2020-09-25 03:16:45,163 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 127 [2020-09-25 03:16:46,030 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 128 [2020-09-25 03:16:46,826 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 125 [2020-09-25 03:16:47,468 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 125 [2020-09-25 03:16:47,909 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 77 [2020-09-25 03:16:48,476 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 125 [2020-09-25 03:16:49,419 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 130 [2020-09-25 03:16:50,329 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 132 [2020-09-25 03:16:50,611 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-09-25 03:16:51,101 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 103 [2020-09-25 03:16:52,251 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 132 [2020-09-25 03:16:52,932 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 112 [2020-09-25 03:16:53,536 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 125 [2020-09-25 03:16:53,769 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-09-25 03:16:54,426 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 93 [2020-09-25 03:16:54,987 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 104 [2020-09-25 03:16:55,658 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 126 [2020-09-25 03:16:55,859 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-09-25 03:16:56,112 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-09-25 03:16:56,710 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 117 [2020-09-25 03:16:57,213 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2020-09-25 03:16:57,983 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 119 [2020-09-25 03:16:58,626 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 111 [2020-09-25 03:16:59,482 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 106 [2020-09-25 03:17:00,014 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 108 [2020-09-25 03:17:00,462 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 81