/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label01.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 05:37:02,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 05:37:02,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 05:37:02,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-07 05:37:02,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 05:37:02,194 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 05:37:02,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 05:37:02,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 05:37:02,199 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 05:37:02,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 05:37:02,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 05:37:02,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 05:37:02,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 05:37:02,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 05:37:02,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 05:37:02,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 05:37:02,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-07 05:37:02,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 05:37:02,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 05:37:02,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 05:37:02,259 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 05:37:02,281 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 05:37:02,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 05:37:02,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 05:37:02,287 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 05:37:02,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 05:37:02,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 05:37:02,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 05:37:02,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 05:37:02,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 05:37:02,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 05:37:02,289 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 05:37:02,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 05:37:02,289 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 05:37:02,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 05:37:02,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 05:37:02,290 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 05:37:02,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 05:37:02,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 05:37:02,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 05:37:02,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 05:37:02,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 05:37:02,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 05:37:02,291 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 05:37:02,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 05:37:02,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 05:37:02,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 05:37:02,772 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 05:37:02,772 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 05:37:02,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label01.c [2020-11-07 05:37:02,856 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fadf0ac1e/823a602d6bdc4dc2a06f79898c2a32b1/FLAG9da076097 [2020-11-07 05:37:03,649 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 05:37:03,650 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label01.c [2020-11-07 05:37:03,673 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fadf0ac1e/823a602d6bdc4dc2a06f79898c2a32b1/FLAG9da076097 [2020-11-07 05:37:03,931 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fadf0ac1e/823a602d6bdc4dc2a06f79898c2a32b1 [2020-11-07 05:37:03,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 05:37:03,945 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 05:37:03,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 05:37:03,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 05:37:03,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 05:37:03,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:37:03" (1/1) ... [2020-11-07 05:37:03,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f51b6bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:03, skipping insertion in model container [2020-11-07 05:37:03,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:37:03" (1/1) ... [2020-11-07 05:37:03,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 05:37:04,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 05:37:04,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:37:04,539 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 05:37:04,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 05:37:04,716 INFO L208 MainTranslator]: Completed translation [2020-11-07 05:37:04,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:04 WrapperNode [2020-11-07 05:37:04,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 05:37:04,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 05:37:04,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 05:37:04,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 05:37:04,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:04" (1/1) ... [2020-11-07 05:37:04,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:04" (1/1) ... [2020-11-07 05:37:04,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:04" (1/1) ... [2020-11-07 05:37:04,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:04" (1/1) ... [2020-11-07 05:37:04,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:04" (1/1) ... [2020-11-07 05:37:04,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:04" (1/1) ... [2020-11-07 05:37:04,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:04" (1/1) ... [2020-11-07 05:37:04,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 05:37:04,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 05:37:04,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 05:37:04,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 05:37:04,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-11-07 05:37:04,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 05:37:04,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 05:37:04,999 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 05:37:04,999 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-07 05:37:04,999 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 05:37:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-07 05:37:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 05:37:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 05:37:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 05:37:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 05:37:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 05:37:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-07 05:37:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 05:37:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 05:37:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 05:37:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 05:37:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 05:37:05,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 05:37:05,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 05:37:06,686 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 05:37:06,686 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-07 05:37:06,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:37:06 BoogieIcfgContainer [2020-11-07 05:37:06,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 05:37:06,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 05:37:06,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 05:37:06,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 05:37:06,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 05:37:03" (1/3) ... [2020-11-07 05:37:06,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e28e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:37:06, skipping insertion in model container [2020-11-07 05:37:06,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:37:04" (2/3) ... [2020-11-07 05:37:06,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e28e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 05:37:06, skipping insertion in model container [2020-11-07 05:37:06,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:37:06" (3/3) ... [2020-11-07 05:37:06,698 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label01.c [2020-11-07 05:37:06,714 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 05:37:06,719 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-07 05:37:06,732 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-07 05:37:06,757 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 05:37:06,758 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 05:37:06,758 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 05:37:06,758 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 05:37:06,758 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 05:37:06,758 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 05:37:06,758 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 05:37:06,758 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 05:37:06,786 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states. [2020-11-07 05:37:06,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-07 05:37:06,814 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:37:06,815 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:37:06,815 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:37:06,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:37:06,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1082819388, now seen corresponding path program 1 times [2020-11-07 05:37:06,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:37:06,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [889577878] [2020-11-07 05:37:06,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:37:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:07,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:37:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:07,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:37:07,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [889577878] [2020-11-07 05:37:07,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:37:07,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 05:37:07,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941296798] [2020-11-07 05:37:07,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 05:37:07,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:37:07,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 05:37:07,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 05:37:07,634 INFO L87 Difference]: Start difference. First operand 539 states. Second operand 5 states. [2020-11-07 05:37:10,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:37:10,572 INFO L93 Difference]: Finished difference Result 1218 states and 1665 transitions. [2020-11-07 05:37:10,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 05:37:10,574 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-11-07 05:37:10,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:37:10,596 INFO L225 Difference]: With dead ends: 1218 [2020-11-07 05:37:10,596 INFO L226 Difference]: Without dead ends: 636 [2020-11-07 05:37:10,605 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-11-07 05:37:10,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2020-11-07 05:37:10,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 622. [2020-11-07 05:37:10,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-11-07 05:37:10,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 783 transitions. [2020-11-07 05:37:10,849 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 783 transitions. Word has length 148 [2020-11-07 05:37:10,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:37:10,854 INFO L481 AbstractCegarLoop]: Abstraction has 622 states and 783 transitions. [2020-11-07 05:37:10,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 05:37:10,854 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 783 transitions. [2020-11-07 05:37:10,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-11-07 05:37:10,876 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:37:10,877 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:37:10,877 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 05:37:10,877 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:37:10,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:37:10,878 INFO L82 PathProgramCache]: Analyzing trace with hash -2012957263, now seen corresponding path program 1 times [2020-11-07 05:37:10,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:37:10,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1405988013] [2020-11-07 05:37:10,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:37:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:11,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:37:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:11,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:37:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:11,281 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:37:11,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1405988013] [2020-11-07 05:37:11,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:37:11,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-07 05:37:11,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527865011] [2020-11-07 05:37:11,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:37:11,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:37:11,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:37:11,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:37:11,288 INFO L87 Difference]: Start difference. First operand 622 states and 783 transitions. Second operand 7 states. [2020-11-07 05:37:11,461 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-07 05:37:14,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:37:14,266 INFO L93 Difference]: Finished difference Result 1701 states and 2209 transitions. [2020-11-07 05:37:14,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 05:37:14,267 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 174 [2020-11-07 05:37:14,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:37:14,281 INFO L225 Difference]: With dead ends: 1701 [2020-11-07 05:37:14,282 INFO L226 Difference]: Without dead ends: 1109 [2020-11-07 05:37:14,286 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-07 05:37:14,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2020-11-07 05:37:14,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 882. [2020-11-07 05:37:14,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2020-11-07 05:37:14,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1110 transitions. [2020-11-07 05:37:14,467 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1110 transitions. Word has length 174 [2020-11-07 05:37:14,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:37:14,468 INFO L481 AbstractCegarLoop]: Abstraction has 882 states and 1110 transitions. [2020-11-07 05:37:14,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:37:14,468 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1110 transitions. [2020-11-07 05:37:14,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-11-07 05:37:14,476 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:37:14,477 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2020-11-07 05:37:14,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 05:37:14,478 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:37:14,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:37:14,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1897436115, now seen corresponding path program 1 times [2020-11-07 05:37:14,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:37:14,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [302721685] [2020-11-07 05:37:14,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:37:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:14,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:37:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:14,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:37:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:14,833 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 05:37:14,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [302721685] [2020-11-07 05:37:14,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 05:37:14,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 05:37:14,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822636557] [2020-11-07 05:37:14,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:37:14,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:37:14,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:37:14,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:37:14,849 INFO L87 Difference]: Start difference. First operand 882 states and 1110 transitions. Second operand 8 states. [2020-11-07 05:37:19,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:37:19,008 INFO L93 Difference]: Finished difference Result 2764 states and 3774 transitions. [2020-11-07 05:37:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 05:37:19,009 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 182 [2020-11-07 05:37:19,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:37:19,023 INFO L225 Difference]: With dead ends: 2764 [2020-11-07 05:37:19,023 INFO L226 Difference]: Without dead ends: 1912 [2020-11-07 05:37:19,028 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-11-07 05:37:19,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2020-11-07 05:37:19,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 1679. [2020-11-07 05:37:19,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1679 states. [2020-11-07 05:37:19,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1679 states and 2181 transitions. [2020-11-07 05:37:19,416 INFO L78 Accepts]: Start accepts. Automaton has 1679 states and 2181 transitions. Word has length 182 [2020-11-07 05:37:19,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:37:19,416 INFO L481 AbstractCegarLoop]: Abstraction has 1679 states and 2181 transitions. [2020-11-07 05:37:19,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:37:19,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 2181 transitions. [2020-11-07 05:37:19,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-11-07 05:37:19,426 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:37:19,426 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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, 1] [2020-11-07 05:37:19,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 05:37:19,427 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:37:19,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:37:19,427 INFO L82 PathProgramCache]: Analyzing trace with hash -860024559, now seen corresponding path program 1 times [2020-11-07 05:37:19,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:37:19,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1563460302] [2020-11-07 05:37:19,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:37:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:19,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:37:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:19,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:37:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:19,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-11-07 05:37:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:20,233 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 33 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-07 05:37:20,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1563460302] [2020-11-07 05:37:20,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:37:20,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-11-07 05:37:20,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817513754] [2020-11-07 05:37:20,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-07 05:37:20,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:37:20,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-07 05:37:20,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-11-07 05:37:20,239 INFO L87 Difference]: Start difference. First operand 1679 states and 2181 transitions. Second operand 13 states. [2020-11-07 05:37:20,453 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-11-07 05:37:22,155 WARN L194 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2020-11-07 05:37:23,806 WARN L194 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-11-07 05:37:26,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:37:26,045 INFO L93 Difference]: Finished difference Result 5336 states and 7137 transitions. [2020-11-07 05:37:26,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-07 05:37:26,048 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 204 [2020-11-07 05:37:26,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:37:26,072 INFO L225 Difference]: With dead ends: 5336 [2020-11-07 05:37:26,073 INFO L226 Difference]: Without dead ends: 2577 [2020-11-07 05:37:26,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2020-11-07 05:37:26,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2577 states. [2020-11-07 05:37:26,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2577 to 2303. [2020-11-07 05:37:26,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2303 states. [2020-11-07 05:37:26,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 2303 states and 2803 transitions. [2020-11-07 05:37:26,650 INFO L78 Accepts]: Start accepts. Automaton has 2303 states and 2803 transitions. Word has length 204 [2020-11-07 05:37:26,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:37:26,650 INFO L481 AbstractCegarLoop]: Abstraction has 2303 states and 2803 transitions. [2020-11-07 05:37:26,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-07 05:37:26,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states and 2803 transitions. [2020-11-07 05:37:26,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-11-07 05:37:26,661 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:37:26,661 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 05:37:26,661 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 05:37:26,662 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:37:26,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:37:26,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1348310422, now seen corresponding path program 1 times [2020-11-07 05:37:26,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:37:26,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [949788331] [2020-11-07 05:37:26,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:37:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:26,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:37:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:26,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:37:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:26,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-11-07 05:37:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:26,915 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-07 05:37:26,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [949788331] [2020-11-07 05:37:26,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:37:26,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 05:37:26,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388379169] [2020-11-07 05:37:26,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 05:37:26,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:37:26,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 05:37:26,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-07 05:37:26,918 INFO L87 Difference]: Start difference. First operand 2303 states and 2803 transitions. Second operand 8 states. [2020-11-07 05:37:27,357 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-07 05:37:30,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:37:30,809 INFO L93 Difference]: Finished difference Result 6172 states and 7769 transitions. [2020-11-07 05:37:30,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 05:37:30,811 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 205 [2020-11-07 05:37:30,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:37:30,839 INFO L225 Difference]: With dead ends: 6172 [2020-11-07 05:37:30,839 INFO L226 Difference]: Without dead ends: 3744 [2020-11-07 05:37:30,851 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-11-07 05:37:30,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3744 states. [2020-11-07 05:37:31,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3744 to 3545. [2020-11-07 05:37:31,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3545 states. [2020-11-07 05:37:31,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 3545 states and 4216 transitions. [2020-11-07 05:37:31,817 INFO L78 Accepts]: Start accepts. Automaton has 3545 states and 4216 transitions. Word has length 205 [2020-11-07 05:37:31,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:37:31,818 INFO L481 AbstractCegarLoop]: Abstraction has 3545 states and 4216 transitions. [2020-11-07 05:37:31,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 05:37:31,818 INFO L276 IsEmpty]: Start isEmpty. Operand 3545 states and 4216 transitions. [2020-11-07 05:37:31,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-11-07 05:37:31,832 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:37:31,833 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 05:37:31,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 05:37:31,833 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:37:31,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:37:31,834 INFO L82 PathProgramCache]: Analyzing trace with hash 303774335, now seen corresponding path program 1 times [2020-11-07 05:37:31,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:37:31,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [304345435] [2020-11-07 05:37:31,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:37:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:31,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:37:31,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:31,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:37:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:32,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 05:37:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:32,101 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 99 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-07 05:37:32,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [304345435] [2020-11-07 05:37:32,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:37:32,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 05:37:32,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550783151] [2020-11-07 05:37:32,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:37:32,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:37:32,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:37:32,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:37:32,104 INFO L87 Difference]: Start difference. First operand 3545 states and 4216 transitions. Second operand 7 states. [2020-11-07 05:37:36,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:37:36,623 INFO L93 Difference]: Finished difference Result 7913 states and 9711 transitions. [2020-11-07 05:37:36,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 05:37:36,624 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 231 [2020-11-07 05:37:36,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:37:36,661 INFO L225 Difference]: With dead ends: 7913 [2020-11-07 05:37:36,661 INFO L226 Difference]: Without dead ends: 4398 [2020-11-07 05:37:36,674 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-07 05:37:36,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4398 states. [2020-11-07 05:37:37,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4398 to 3999. [2020-11-07 05:37:37,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3999 states. [2020-11-07 05:37:37,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3999 states to 3999 states and 4604 transitions. [2020-11-07 05:37:37,531 INFO L78 Accepts]: Start accepts. Automaton has 3999 states and 4604 transitions. Word has length 231 [2020-11-07 05:37:37,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:37:37,531 INFO L481 AbstractCegarLoop]: Abstraction has 3999 states and 4604 transitions. [2020-11-07 05:37:37,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:37:37,532 INFO L276 IsEmpty]: Start isEmpty. Operand 3999 states and 4604 transitions. [2020-11-07 05:37:37,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-11-07 05:37:37,548 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:37:37,548 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 05:37:37,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 05:37:37,549 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:37:37,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:37:37,549 INFO L82 PathProgramCache]: Analyzing trace with hash 410703361, now seen corresponding path program 1 times [2020-11-07 05:37:37,549 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:37:37,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1574292717] [2020-11-07 05:37:37,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:37:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:37,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:37:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:37,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:37:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:37,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 05:37:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:37,850 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-07 05:37:37,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1574292717] [2020-11-07 05:37:37,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:37:37,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-11-07 05:37:37,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365424641] [2020-11-07 05:37:37,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 05:37:37,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:37:37,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 05:37:37,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-07 05:37:37,853 INFO L87 Difference]: Start difference. First operand 3999 states and 4604 transitions. Second operand 7 states. [2020-11-07 05:37:40,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:37:40,948 INFO L93 Difference]: Finished difference Result 9295 states and 10994 transitions. [2020-11-07 05:37:40,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 05:37:40,948 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 247 [2020-11-07 05:37:40,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:37:40,972 INFO L225 Difference]: With dead ends: 9295 [2020-11-07 05:37:40,973 INFO L226 Difference]: Without dead ends: 4176 [2020-11-07 05:37:40,991 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-07 05:37:40,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4176 states. [2020-11-07 05:37:41,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4176 to 3917. [2020-11-07 05:37:41,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3917 states. [2020-11-07 05:37:41,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3917 states to 3917 states and 4287 transitions. [2020-11-07 05:37:41,953 INFO L78 Accepts]: Start accepts. Automaton has 3917 states and 4287 transitions. Word has length 247 [2020-11-07 05:37:41,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:37:41,953 INFO L481 AbstractCegarLoop]: Abstraction has 3917 states and 4287 transitions. [2020-11-07 05:37:41,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 05:37:41,953 INFO L276 IsEmpty]: Start isEmpty. Operand 3917 states and 4287 transitions. [2020-11-07 05:37:41,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-11-07 05:37:41,965 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 05:37:41,966 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 05:37:41,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 05:37:41,966 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 05:37:41,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 05:37:41,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1677355553, now seen corresponding path program 1 times [2020-11-07 05:37:41,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 05:37:41,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [360502141] [2020-11-07 05:37:41,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 05:37:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:42,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 05:37:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:42,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-07 05:37:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:42,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-11-07 05:37:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 05:37:42,607 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 104 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-07 05:37:42,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [360502141] [2020-11-07 05:37:42,608 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 05:37:42,608 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-11-07 05:37:42,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934061749] [2020-11-07 05:37:42,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-07 05:37:42,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 05:37:42,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-07 05:37:42,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-11-07 05:37:42,610 INFO L87 Difference]: Start difference. First operand 3917 states and 4287 transitions. Second operand 13 states. [2020-11-07 05:37:44,390 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-07 05:37:44,836 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-07 05:37:46,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 05:37:46,813 INFO L93 Difference]: Finished difference Result 6661 states and 7269 transitions. [2020-11-07 05:37:46,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 05:37:46,814 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 275 [2020-11-07 05:37:46,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 05:37:46,818 INFO L225 Difference]: With dead ends: 6661 [2020-11-07 05:37:46,818 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 05:37:46,837 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2020-11-07 05:37:46,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 05:37:46,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 05:37:46,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 05:37:46,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 05:37:46,839 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 275 [2020-11-07 05:37:46,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 05:37:46,840 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 05:37:46,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-07 05:37:46,840 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 05:37:46,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 05:37:46,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 05:37:46,843 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 05:38:05,585 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-11-07 05:38:19,765 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-11-07 05:38:36,803 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-11-07 05:38:36,916 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-11-07 05:38:37,041 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-11-07 05:38:37,154 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-11-07 05:38:44,925 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-11-07 05:38:45,036 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-11-07 05:38:45,148 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-11-07 05:38:52,040 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 171 [2020-11-07 05:38:59,087 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:39:00,095 WARN L194 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2020-11-07 05:39:03,388 WARN L194 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:39:04,631 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 114 DAG size of output: 79 [2020-11-07 05:39:05,769 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:39:09,076 WARN L194 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:39:12,407 WARN L194 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:39:15,678 WARN L194 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:39:16,812 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:39:17,964 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:39:19,108 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:39:22,422 WARN L194 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:39:23,399 WARN L194 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-11-07 05:39:24,424 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-11-07 05:39:25,531 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 150 DAG size of output: 74 [2020-11-07 05:39:26,524 WARN L194 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2020-11-07 05:39:27,529 WARN L194 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2020-11-07 05:39:28,427 WARN L194 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-11-07 05:39:29,513 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 99 DAG size of output: 69 [2020-11-07 05:39:30,501 WARN L194 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2020-11-07 05:39:31,557 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 113 DAG size of output: 75 [2020-11-07 05:39:34,970 WARN L194 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:39:38,334 WARN L194 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:39:39,449 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2020-11-07 05:39:40,385 WARN L194 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2020-11-07 05:39:41,555 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:39:42,696 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:39:46,030 WARN L194 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:39:47,412 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 155 DAG size of output: 72 [2020-11-07 05:39:49,302 WARN L194 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 155 DAG size of output: 79 [2020-11-07 05:39:52,644 WARN L194 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:39:53,961 WARN L194 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 148 DAG size of output: 74 [2020-11-07 05:39:55,116 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2020-11-07 05:39:56,182 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-11-07 05:39:57,166 WARN L194 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2020-11-07 05:39:58,208 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2020-11-07 05:40:01,568 WARN L194 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:40:02,572 WARN L194 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2020-11-07 05:40:03,471 WARN L194 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-11-07 05:40:06,894 WARN L194 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:40:07,948 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-11-07 05:40:09,393 WARN L194 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 160 DAG size of output: 79 [2020-11-07 05:40:12,807 WARN L194 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:40:13,978 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 106 DAG size of output: 76 [2020-11-07 05:40:15,660 WARN L194 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 154 DAG size of output: 79 [2020-11-07 05:40:19,083 WARN L194 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:40:22,526 WARN L194 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:40:23,558 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2020-11-07 05:40:24,930 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 152 DAG size of output: 73 [2020-11-07 05:40:25,992 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2020-11-07 05:40:27,134 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2020-11-07 05:40:28,335 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 106 DAG size of output: 76 [2020-11-07 05:40:29,352 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 102 DAG size of output: 68 [2020-11-07 05:40:30,364 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 100 DAG size of output: 69 [2020-11-07 05:40:31,476 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 104 DAG size of output: 75 [2020-11-07 05:40:32,866 WARN L194 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 146 DAG size of output: 73 [2020-11-07 05:40:34,018 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 115 DAG size of output: 77 [2020-11-07 05:40:37,284 WARN L194 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:40:40,550 WARN L194 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:40:43,836 WARN L194 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:40:45,140 WARN L194 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 148 DAG size of output: 73 [2020-11-07 05:40:46,134 WARN L194 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2020-11-07 05:40:49,419 WARN L194 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:40:50,427 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-11-07 05:40:51,618 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-11-07 05:40:52,857 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2020-11-07 05:40:56,104 WARN L194 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:40:56,979 WARN L194 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-11-07 05:40:58,114 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:41:01,355 WARN L194 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:41:04,608 WARN L194 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:41:07,849 WARN L194 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:41:08,728 WARN L194 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-11-07 05:41:09,729 WARN L194 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2020-11-07 05:41:13,043 WARN L194 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:41:14,898 WARN L194 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 154 DAG size of output: 79 [2020-11-07 05:41:16,330 WARN L194 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 156 DAG size of output: 78 [2020-11-07 05:41:17,328 WARN L194 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2020-11-07 05:41:18,619 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 152 DAG size of output: 73 [2020-11-07 05:41:19,638 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2020-11-07 05:41:20,526 WARN L194 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-11-07 05:41:21,519 WARN L194 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 71 [2020-11-07 05:41:24,831 WARN L194 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:41:28,157 WARN L194 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:41:29,215 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2020-11-07 05:41:30,324 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 99 DAG size of output: 69 [2020-11-07 05:41:31,346 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2020-11-07 05:41:32,457 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 100 DAG size of output: 70 [2020-11-07 05:41:33,931 WARN L194 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 151 DAG size of output: 79 [2020-11-07 05:41:37,217 WARN L194 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:41:40,546 WARN L194 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:41:43,886 WARN L194 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:41:45,314 WARN L194 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2020-11-07 05:41:46,466 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:41:47,609 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:41:50,895 WARN L194 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:41:52,048 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:41:55,336 WARN L194 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:41:58,629 WARN L194 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:41:59,800 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 112 DAG size of output: 77 [2020-11-07 05:42:01,503 WARN L194 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 154 DAG size of output: 80 [2020-11-07 05:42:02,541 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 150 DAG size of output: 71 [2020-11-07 05:42:03,640 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 99 DAG size of output: 71 [2020-11-07 05:42:04,975 WARN L194 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 146 DAG size of output: 71 [2020-11-07 05:42:08,342 WARN L194 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:42:09,253 WARN L194 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-11-07 05:42:12,624 WARN L194 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:42:13,583 WARN L194 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 62 [2020-11-07 05:42:14,676 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2020-11-07 05:42:16,082 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 152 DAG size of output: 75 [2020-11-07 05:42:19,459 WARN L194 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:42:22,839 WARN L194 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:42:26,222 WARN L194 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:42:27,257 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 109 DAG size of output: 75 [2020-11-07 05:42:28,369 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 151 DAG size of output: 74 [2020-11-07 05:42:29,283 WARN L194 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-11-07 05:42:32,623 WARN L194 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:42:33,795 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:42:34,960 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:42:36,134 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:42:37,246 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 149 DAG size of output: 72 [2020-11-07 05:42:38,290 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2020-11-07 05:42:39,215 WARN L194 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-11-07 05:42:40,540 WARN L194 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 160 DAG size of output: 77 [2020-11-07 05:42:41,729 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 107 DAG size of output: 75 [2020-11-07 05:42:42,799 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-11-07 05:42:43,859 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-11-07 05:42:44,951 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 148 DAG size of output: 71 [2020-11-07 05:42:46,059 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-11-07 05:42:47,091 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-11-07 05:42:50,502 WARN L194 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:42:51,594 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 148 DAG size of output: 71 [2020-11-07 05:42:55,012 WARN L194 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:42:58,422 WARN L194 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:42:59,530 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 146 DAG size of output: 72 [2020-11-07 05:43:00,723 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2020-11-07 05:43:01,655 WARN L194 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-11-07 05:43:02,721 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-11-07 05:43:03,802 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 108 DAG size of output: 72 [2020-11-07 05:43:05,214 WARN L194 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 106 DAG size of output: 79 [2020-11-07 05:43:06,306 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2020-11-07 05:43:07,235 WARN L194 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-11-07 05:43:08,343 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 144 DAG size of output: 72 [2020-11-07 05:43:09,372 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 101 DAG size of output: 69 [2020-11-07 05:43:10,560 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:43:11,746 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:43:15,131 WARN L194 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:43:16,317 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:43:19,710 WARN L194 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:43:20,917 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:43:22,315 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 146 DAG size of output: 71 [2020-11-07 05:43:23,358 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2020-11-07 05:43:24,398 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 101 DAG size of output: 70 [2020-11-07 05:43:27,857 WARN L194 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:43:28,937 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 99 DAG size of output: 68 [2020-11-07 05:43:29,945 WARN L194 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2020-11-07 05:43:30,948 WARN L194 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2020-11-07 05:43:34,414 WARN L194 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:43:35,606 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:43:39,018 WARN L194 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:43:42,429 WARN L194 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:43:43,562 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-11-07 05:43:46,982 WARN L194 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:43:48,189 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:43:51,609 WARN L194 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:43:52,887 WARN L194 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-11-07 05:43:54,159 WARN L194 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-11-07 05:43:55,424 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-11-07 05:43:58,833 WARN L194 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:44:00,043 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:44:03,469 WARN L194 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:44:04,608 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 146 DAG size of output: 72 [2020-11-07 05:44:05,675 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-11-07 05:44:06,799 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 148 DAG size of output: 71 [2020-11-07 05:44:10,280 WARN L194 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:44:11,301 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 105 DAG size of output: 71 [2020-11-07 05:44:12,450 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-11-07 05:44:13,632 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2020-11-07 05:44:17,129 WARN L194 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:44:20,661 WARN L194 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:44:21,822 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 151 DAG size of output: 74 [2020-11-07 05:44:25,340 WARN L194 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:44:26,623 WARN L194 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-11-07 05:44:30,075 WARN L194 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:44:33,526 WARN L194 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:44:37,120 WARN L194 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:44:38,078 WARN L194 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-11-07 05:44:39,119 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 98 DAG size of output: 67 [2020-11-07 05:44:42,639 WARN L194 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:44:43,725 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-11-07 05:44:47,257 WARN L194 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:44:48,490 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 156 DAG size of output: 76 [2020-11-07 05:44:49,574 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2020-11-07 05:44:50,786 WARN L194 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 107 DAG size of output: 74 [2020-11-07 05:44:51,753 WARN L194 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-11-07 05:44:52,786 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2020-11-07 05:44:53,933 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-11-07 05:44:55,108 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-11-07 05:44:56,265 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 149 DAG size of output: 72 [2020-11-07 05:44:57,387 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 146 DAG size of output: 71 [2020-11-07 05:44:58,479 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-11-07 05:44:59,445 WARN L194 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-11-07 05:45:00,569 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2020-11-07 05:45:04,116 WARN L194 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:45:05,171 WARN L194 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 96 DAG size of output: 67 [2020-11-07 05:45:06,541 WARN L194 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2020-11-07 05:45:07,583 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2020-11-07 05:45:08,652 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 98 DAG size of output: 69 [2020-11-07 05:45:12,218 WARN L194 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:45:15,779 WARN L194 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:45:16,754 WARN L194 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-11-07 05:45:17,917 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 112 DAG size of output: 74 [2020-11-07 05:45:19,422 WARN L194 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 152 DAG size of output: 74 [2020-11-07 05:45:20,447 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 131 DAG size of output: 62 [2020-11-07 05:45:21,635 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-11-07 05:45:22,773 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-11-07 05:45:23,812 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2020-11-07 05:45:24,928 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 103 DAG size of output: 73 [2020-11-07 05:45:28,497 WARN L194 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:45:32,077 WARN L194 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:45:33,493 WARN L194 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2020-11-07 05:45:37,082 WARN L194 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:45:40,693 WARN L194 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:45:41,813 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2020-11-07 05:45:45,399 WARN L194 SmtUtils]: Spent 3.58 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:45:46,960 WARN L194 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 151 DAG size of output: 75 [2020-11-07 05:45:50,581 WARN L194 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:45:51,841 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:45:55,381 WARN L194 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:45:58,940 WARN L194 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:46:02,509 WARN L194 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:46:03,850 WARN L194 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-11-07 05:46:05,120 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:46:06,397 WARN L194 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:46:09,962 WARN L194 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:46:11,308 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-11-07 05:46:12,434 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2020-11-07 05:46:13,536 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-11-07 05:46:14,655 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2020-11-07 05:46:15,815 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 99 DAG size of output: 68 [2020-11-07 05:46:17,041 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 158 DAG size of output: 76 [2020-11-07 05:46:18,040 WARN L194 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-11-07 05:46:19,138 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-11-07 05:46:20,272 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-11-07 05:46:21,339 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2020-11-07 05:46:22,470 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2020-11-07 05:46:23,704 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2020-11-07 05:46:25,239 WARN L194 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 148 DAG size of output: 73 [2020-11-07 05:46:26,813 WARN L194 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 155 DAG size of output: 77 [2020-11-07 05:46:28,141 WARN L194 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-11-07 05:46:31,717 WARN L194 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:46:32,968 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 152 DAG size of output: 73 [2020-11-07 05:46:34,049 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2020-11-07 05:46:35,186 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2020-11-07 05:46:38,845 WARN L194 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:46:40,480 WARN L194 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 151 DAG size of output: 79 [2020-11-07 05:46:41,968 WARN L194 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 152 DAG size of output: 73 [2020-11-07 05:46:43,118 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 97 DAG size of output: 66 [2020-11-07 05:46:44,189 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2020-11-07 05:46:45,327 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2020-11-07 05:46:46,342 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-11-07 05:46:47,474 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 110 DAG size of output: 74 [2020-11-07 05:46:49,567 WARN L194 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 155 DAG size of output: 79 [2020-11-07 05:46:50,703 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2020-11-07 05:46:51,929 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2020-11-07 05:46:55,598 WARN L194 SmtUtils]: Spent 3.66 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:46:59,368 WARN L194 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:47:00,388 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-11-07 05:47:04,071 WARN L194 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:47:07,695 WARN L194 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:47:08,882 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 147 DAG size of output: 70 [2020-11-07 05:47:10,238 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2020-11-07 05:47:11,255 WARN L194 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-11-07 05:47:12,280 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-11-07 05:47:13,431 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 94 DAG size of output: 63 [2020-11-07 05:47:14,595 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-11-07 05:47:18,295 WARN L194 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:47:19,414 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-11-07 05:47:20,660 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 118 DAG size of output: 76 [2020-11-07 05:47:24,369 WARN L194 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:47:25,491 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 94 DAG size of output: 64 [2020-11-07 05:47:29,204 WARN L194 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:47:30,542 WARN L194 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2020-11-07 05:47:31,646 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2020-11-07 05:47:35,366 WARN L194 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:47:36,603 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 96 DAG size of output: 66 [2020-11-07 05:47:37,832 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-11-07 05:47:39,038 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2020-11-07 05:47:40,239 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 96 DAG size of output: 66 [2020-11-07 05:47:41,338 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-11-07 05:47:42,978 WARN L194 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 156 DAG size of output: 78 [2020-11-07 05:47:44,461 WARN L194 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-11-07 05:47:46,366 WARN L194 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 154 DAG size of output: 79 [2020-11-07 05:47:47,538 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2020-11-07 05:47:49,022 WARN L194 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 152 DAG size of output: 73 [2020-11-07 05:47:50,183 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 107 DAG size of output: 73 [2020-11-07 05:47:52,317 WARN L194 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 155 DAG size of output: 79 [2020-11-07 05:47:53,475 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 104 DAG size of output: 71 [2020-11-07 05:47:54,668 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 150 DAG size of output: 71 [2020-11-07 05:47:56,024 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 105 DAG size of output: 76 [2020-11-07 05:47:57,057 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-11-07 05:47:58,225 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2020-11-07 05:48:01,972 WARN L194 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:48:02,117 WARN L194 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 34 [2020-11-07 05:48:05,858 WARN L194 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:48:06,903 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-11-07 05:48:08,312 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 106 DAG size of output: 78 [2020-11-07 05:48:09,356 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-11-07 05:48:10,604 WARN L194 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 110 DAG size of output: 75 [2020-11-07 05:48:12,018 WARN L194 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 162 DAG size of output: 78 [2020-11-07 05:48:13,175 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2020-11-07 05:48:14,621 WARN L194 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2020-11-07 05:48:16,216 WARN L194 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2020-11-07 05:48:17,345 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2020-11-07 05:48:18,696 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 151 DAG size of output: 74 [2020-11-07 05:48:20,014 WARN L194 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2020-11-07 05:48:21,221 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 102 DAG size of output: 70 [2020-11-07 05:48:25,280 WARN L194 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:48:26,685 WARN L194 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:48:27,870 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2020-11-07 05:48:31,782 WARN L194 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:48:35,802 WARN L194 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:48:37,094 WARN L194 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2020-11-07 05:48:41,122 WARN L194 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:48:42,598 WARN L194 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-11-07 05:48:44,038 WARN L194 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-11-07 05:48:45,507 WARN L194 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-11-07 05:48:49,411 WARN L194 SmtUtils]: Spent 3.90 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:48:50,824 WARN L194 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:48:54,852 WARN L194 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:48:58,769 WARN L194 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:49:00,128 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:49:03,964 WARN L194 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:49:07,837 WARN L194 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:49:09,219 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-11-07 05:49:10,543 WARN L194 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 105 DAG size of output: 73 [2020-11-07 05:49:12,034 WARN L194 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 150 DAG size of output: 75 [2020-11-07 05:49:13,173 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2020-11-07 05:49:14,273 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2020-11-07 05:49:15,673 WARN L194 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-11-07 05:49:19,318 WARN L194 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:49:22,869 WARN L194 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 189 DAG size of output: 74 [2020-11-07 05:49:23,952 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2020-11-07 05:49:27,665 WARN L194 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 190 DAG size of output: 76 [2020-11-07 05:49:31,283 WARN L194 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:49:32,587 WARN L194 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:49:33,892 WARN L194 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 143 DAG size of output: 69 [2020-11-07 05:49:35,268 WARN L194 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 144 DAG size of output: 70 [2020-11-07 05:49:38,929 WARN L194 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 187 DAG size of output: 77 [2020-11-07 05:49:40,005 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 131 DAG size of output: 62 [2020-11-07 05:49:41,092 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 131 DAG size of output: 62 [2020-11-07 05:49:42,187 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 131 DAG size of output: 62 [2020-11-07 05:49:43,310 WARN L194 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 131 DAG size of output: 62 [2020-11-07 05:49:55,234 WARN L194 SmtUtils]: Spent 11.91 s on a formula simplification. DAG size of input: 298 DAG size of output: 159