/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_label52.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 01:51:46,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 01:51:46,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 01:51:47,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-24 01:51:47,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 01:51:47,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 01:51:47,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 01:51:47,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 01:51:47,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 01:51:47,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 01:51:47,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 01:51:47,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 01:51:47,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 01:51:47,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 01:51:47,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 01:51:47,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 01:51:47,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-24 01:51:47,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 01:51:47,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 01:51:47,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 01:51:47,125 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 01:51:47,149 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 01:51:47,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 01:51:47,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 01:51:47,154 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 01:51:47,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 01:51:47,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 01:51:47,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 01:51:47,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 01:51:47,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 01:51:47,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 01:51:47,156 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 01:51:47,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 01:51:47,157 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 01:51:47,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 01:51:47,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 01:51:47,158 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 01:51:47,158 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 01:51:47,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 01:51:47,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 01:51:47,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 01:51:47,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 01:51:47,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 01:51:47,159 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 01:51:47,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 01:51:47,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 01:51:47,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 01:51:47,613 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 01:51:47,614 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 01:51:47,615 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label52.c [2020-10-24 01:51:47,685 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c57c44878/6ed52d3c0ed449818de7e32e7814edde/FLAG7161bebdf [2020-10-24 01:51:48,473 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 01:51:48,474 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label52.c [2020-10-24 01:51:48,489 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c57c44878/6ed52d3c0ed449818de7e32e7814edde/FLAG7161bebdf [2020-10-24 01:51:48,710 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c57c44878/6ed52d3c0ed449818de7e32e7814edde [2020-10-24 01:51:48,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 01:51:48,731 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 01:51:48,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 01:51:48,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 01:51:48,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 01:51:48,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:51:48" (1/1) ... [2020-10-24 01:51:48,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e23019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:51:48, skipping insertion in model container [2020-10-24 01:51:48,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 01:51:48" (1/1) ... [2020-10-24 01:51:48,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 01:51:48,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 01:51:49,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:51:49,281 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 01:51:49,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 01:51:49,561 INFO L208 MainTranslator]: Completed translation [2020-10-24 01:51:49,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:51:49 WrapperNode [2020-10-24 01:51:49,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 01:51:49,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 01:51:49,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 01:51:49,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 01:51:49,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:51:49" (1/1) ... [2020-10-24 01:51:49,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:51:49" (1/1) ... [2020-10-24 01:51:49,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:51:49" (1/1) ... [2020-10-24 01:51:49,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:51:49" (1/1) ... [2020-10-24 01:51:49,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:51:49" (1/1) ... [2020-10-24 01:51:49,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:51:49" (1/1) ... [2020-10-24 01:51:49,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:51:49" (1/1) ... [2020-10-24 01:51:49,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 01:51:49,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 01:51:49,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 01:51:49,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 01:51:49,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:51:49" (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 [2020-10-24 01:51:49,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 01:51:49,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 01:51:49,820 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 01:51:49,820 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-24 01:51:49,820 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 01:51:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-24 01:51:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 01:51:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 01:51:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 01:51:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 01:51:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 01:51:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-24 01:51:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 01:51:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 01:51:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 01:51:49,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 01:51:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 01:51:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 01:51:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 01:51:51,407 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 01:51:51,408 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-24 01:51:51,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:51:51 BoogieIcfgContainer [2020-10-24 01:51:51,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 01:51:51,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 01:51:51,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 01:51:51,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 01:51:51,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 01:51:48" (1/3) ... [2020-10-24 01:51:51,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16a4dfd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:51:51, skipping insertion in model container [2020-10-24 01:51:51,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 01:51:49" (2/3) ... [2020-10-24 01:51:51,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16a4dfd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 01:51:51, skipping insertion in model container [2020-10-24 01:51:51,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 01:51:51" (3/3) ... [2020-10-24 01:51:51,420 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label52.c [2020-10-24 01:51:51,432 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 01:51:51,438 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 01:51:51,453 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 01:51:51,479 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 01:51:51,479 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 01:51:51,479 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 01:51:51,479 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 01:51:51,480 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 01:51:51,480 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 01:51:51,480 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 01:51:51,480 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 01:51:51,508 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states. [2020-10-24 01:51:51,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-24 01:51:51,534 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:51:51,536 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] [2020-10-24 01:51:51,537 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:51:51,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:51:51,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1078738379, now seen corresponding path program 1 times [2020-10-24 01:51:51,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:51:51,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2094252198] [2020-10-24 01:51:51,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:51:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:51:52,249 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-24 01:51:52,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:51:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:51:52,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:51:52,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2094252198] [2020-10-24 01:51:52,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:51:52,416 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-24 01:51:52,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649682599] [2020-10-24 01:51:52,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 01:51:52,424 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:51:52,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 01:51:52,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-24 01:51:52,449 INFO L87 Difference]: Start difference. First operand 539 states. Second operand 5 states. [2020-10-24 01:51:56,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:51:56,756 INFO L93 Difference]: Finished difference Result 1444 states and 2039 transitions. [2020-10-24 01:51:56,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 01:51:56,759 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2020-10-24 01:51:56,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:51:56,810 INFO L225 Difference]: With dead ends: 1444 [2020-10-24 01:51:56,810 INFO L226 Difference]: Without dead ends: 857 [2020-10-24 01:51:56,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:51:56,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2020-10-24 01:51:57,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 784. [2020-10-24 01:51:57,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2020-10-24 01:51:57,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 956 transitions. [2020-10-24 01:51:57,095 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 956 transitions. Word has length 139 [2020-10-24 01:51:57,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:51:57,096 INFO L481 AbstractCegarLoop]: Abstraction has 784 states and 956 transitions. [2020-10-24 01:51:57,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 01:51:57,096 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 956 transitions. [2020-10-24 01:51:57,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-24 01:51:57,112 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:51:57,113 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-24 01:51:57,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 01:51:57,113 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:51:57,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:51:57,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1341853160, now seen corresponding path program 1 times [2020-10-24 01:51:57,115 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:51:57,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [34027649] [2020-10-24 01:51:57,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:51:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:51:57,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:51:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:51:57,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:51:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:51:57,447 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 01:51:57,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [34027649] [2020-10-24 01:51:57,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 01:51:57,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-24 01:51:57,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273636301] [2020-10-24 01:51:57,450 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:51:57,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:51:57,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:51:57,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:51:57,451 INFO L87 Difference]: Start difference. First operand 784 states and 956 transitions. Second operand 7 states. [2020-10-24 01:51:58,232 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-24 01:52:00,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:52:00,503 INFO L93 Difference]: Finished difference Result 2045 states and 2630 transitions. [2020-10-24 01:52:00,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 01:52:00,503 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 168 [2020-10-24 01:52:00,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:52:00,523 INFO L225 Difference]: With dead ends: 2045 [2020-10-24 01:52:00,524 INFO L226 Difference]: Without dead ends: 1291 [2020-10-24 01:52:00,528 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 [2020-10-24 01:52:00,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1291 states. [2020-10-24 01:52:00,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1291 to 1249. [2020-10-24 01:52:00,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1249 states. [2020-10-24 01:52:00,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 1249 states and 1550 transitions. [2020-10-24 01:52:00,779 INFO L78 Accepts]: Start accepts. Automaton has 1249 states and 1550 transitions. Word has length 168 [2020-10-24 01:52:00,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:52:00,780 INFO L481 AbstractCegarLoop]: Abstraction has 1249 states and 1550 transitions. [2020-10-24 01:52:00,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:52:00,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1550 transitions. [2020-10-24 01:52:00,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-10-24 01:52:00,787 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:52:00,788 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2020-10-24 01:52:00,788 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 01:52:00,788 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:52:00,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:52:00,789 INFO L82 PathProgramCache]: Analyzing trace with hash 872191861, now seen corresponding path program 1 times [2020-10-24 01:52:00,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:52:00,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1504115707] [2020-10-24 01:52:00,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:52:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:00,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:52:00,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:00,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:52:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:00,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-24 01:52:00,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:01,092 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 44 proven. 14 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-24 01:52:01,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1504115707] [2020-10-24 01:52:01,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:52:01,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 01:52:01,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793027856] [2020-10-24 01:52:01,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:52:01,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:52:01,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:52:01,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:52:01,097 INFO L87 Difference]: Start difference. First operand 1249 states and 1550 transitions. Second operand 7 states. [2020-10-24 01:52:01,322 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-24 01:52:04,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:52:04,322 INFO L93 Difference]: Finished difference Result 3650 states and 4760 transitions. [2020-10-24 01:52:04,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 01:52:04,323 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 203 [2020-10-24 01:52:04,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:52:04,367 INFO L225 Difference]: With dead ends: 3650 [2020-10-24 01:52:04,367 INFO L226 Difference]: Without dead ends: 2431 [2020-10-24 01:52:04,374 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 [2020-10-24 01:52:04,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2431 states. [2020-10-24 01:52:04,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2431 to 2309. [2020-10-24 01:52:04,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2309 states. [2020-10-24 01:52:04,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 2901 transitions. [2020-10-24 01:52:04,980 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 2901 transitions. Word has length 203 [2020-10-24 01:52:04,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:52:04,981 INFO L481 AbstractCegarLoop]: Abstraction has 2309 states and 2901 transitions. [2020-10-24 01:52:04,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:52:04,981 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 2901 transitions. [2020-10-24 01:52:04,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-24 01:52:04,993 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:52:04,993 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-24 01:52:04,993 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 01:52:04,994 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:52:04,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:52:04,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1185168886, now seen corresponding path program 1 times [2020-10-24 01:52:04,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:52:04,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [717165620] [2020-10-24 01:52:04,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:52:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:05,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:52:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:05,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:52:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:05,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-24 01:52:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:05,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-24 01:52:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:05,344 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 75 proven. 18 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-24 01:52:05,345 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [717165620] [2020-10-24 01:52:05,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:52:05,345 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 01:52:05,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027781583] [2020-10-24 01:52:05,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 01:52:05,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:52:05,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 01:52:05,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:52:05,348 INFO L87 Difference]: Start difference. First operand 2309 states and 2901 transitions. Second operand 8 states. [2020-10-24 01:52:08,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:52:08,282 INFO L93 Difference]: Finished difference Result 5109 states and 6558 transitions. [2020-10-24 01:52:08,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 01:52:08,283 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 219 [2020-10-24 01:52:08,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:52:08,304 INFO L225 Difference]: With dead ends: 5109 [2020-10-24 01:52:08,304 INFO L226 Difference]: Without dead ends: 2830 [2020-10-24 01:52:08,314 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-24 01:52:08,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2830 states. [2020-10-24 01:52:08,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2830 to 2787. [2020-10-24 01:52:08,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2787 states. [2020-10-24 01:52:08,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2787 states to 2787 states and 3478 transitions. [2020-10-24 01:52:08,931 INFO L78 Accepts]: Start accepts. Automaton has 2787 states and 3478 transitions. Word has length 219 [2020-10-24 01:52:08,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:52:08,932 INFO L481 AbstractCegarLoop]: Abstraction has 2787 states and 3478 transitions. [2020-10-24 01:52:08,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 01:52:08,932 INFO L276 IsEmpty]: Start isEmpty. Operand 2787 states and 3478 transitions. [2020-10-24 01:52:08,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-10-24 01:52:08,943 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:52:08,944 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-24 01:52:08,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 01:52:08,944 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:52:08,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:52:08,945 INFO L82 PathProgramCache]: Analyzing trace with hash -374127763, now seen corresponding path program 1 times [2020-10-24 01:52:08,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:52:08,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [705354472] [2020-10-24 01:52:08,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:52:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:09,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:52:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:09,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:52:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:09,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-24 01:52:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:09,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 01:52:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:09,447 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 95 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-24 01:52:09,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [705354472] [2020-10-24 01:52:09,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:52:09,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-24 01:52:09,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123102548] [2020-10-24 01:52:09,450 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-24 01:52:09,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:52:09,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-24 01:52:09,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-10-24 01:52:09,452 INFO L87 Difference]: Start difference. First operand 2787 states and 3478 transitions. Second operand 13 states. [2020-10-24 01:52:09,707 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-24 01:52:09,966 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-10-24 01:52:10,331 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-10-24 01:52:11,395 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2020-10-24 01:52:11,733 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-10-24 01:52:12,121 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-10-24 01:52:12,851 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-10-24 01:52:14,012 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-10-24 01:52:16,981 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 88 [2020-10-24 01:52:19,470 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-10-24 01:52:20,072 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-10-24 01:52:20,572 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2020-10-24 01:52:23,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:52:23,427 INFO L93 Difference]: Finished difference Result 11349 states and 14714 transitions. [2020-10-24 01:52:23,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-24 01:52:23,427 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 224 [2020-10-24 01:52:23,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:52:23,496 INFO L225 Difference]: With dead ends: 11349 [2020-10-24 01:52:23,497 INFO L226 Difference]: Without dead ends: 8592 [2020-10-24 01:52:23,519 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 980 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=669, Invalid=2637, Unknown=0, NotChecked=0, Total=3306 [2020-10-24 01:52:23,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8592 states. [2020-10-24 01:52:25,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8592 to 7738. [2020-10-24 01:52:25,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7738 states. [2020-10-24 01:52:25,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7738 states to 7738 states and 9370 transitions. [2020-10-24 01:52:25,441 INFO L78 Accepts]: Start accepts. Automaton has 7738 states and 9370 transitions. Word has length 224 [2020-10-24 01:52:25,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:52:25,445 INFO L481 AbstractCegarLoop]: Abstraction has 7738 states and 9370 transitions. [2020-10-24 01:52:25,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-24 01:52:25,445 INFO L276 IsEmpty]: Start isEmpty. Operand 7738 states and 9370 transitions. [2020-10-24 01:52:25,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-24 01:52:25,471 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:52:25,478 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1] [2020-10-24 01:52:25,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 01:52:25,479 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:52:25,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:52:25,479 INFO L82 PathProgramCache]: Analyzing trace with hash 862213169, now seen corresponding path program 1 times [2020-10-24 01:52:25,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:52:25,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [959926953] [2020-10-24 01:52:25,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:52:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:25,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:52:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:25,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:52:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:25,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-24 01:52:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:25,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-24 01:52:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:25,757 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 89 proven. 18 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-24 01:52:25,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [959926953] [2020-10-24 01:52:25,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:52:25,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-24 01:52:25,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137888688] [2020-10-24 01:52:25,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 01:52:25,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:52:25,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 01:52:25,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-24 01:52:25,761 INFO L87 Difference]: Start difference. First operand 7738 states and 9370 transitions. Second operand 7 states. [2020-10-24 01:52:30,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:52:30,682 INFO L93 Difference]: Finished difference Result 14694 states and 17641 transitions. [2020-10-24 01:52:30,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-24 01:52:30,683 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 228 [2020-10-24 01:52:30,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:52:30,727 INFO L225 Difference]: With dead ends: 14694 [2020-10-24 01:52:30,727 INFO L226 Difference]: Without dead ends: 6801 [2020-10-24 01:52:30,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-24 01:52:30,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6801 states. [2020-10-24 01:52:31,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6801 to 6461. [2020-10-24 01:52:31,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6461 states. [2020-10-24 01:52:31,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6461 states to 6461 states and 7497 transitions. [2020-10-24 01:52:31,928 INFO L78 Accepts]: Start accepts. Automaton has 6461 states and 7497 transitions. Word has length 228 [2020-10-24 01:52:31,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:52:31,929 INFO L481 AbstractCegarLoop]: Abstraction has 6461 states and 7497 transitions. [2020-10-24 01:52:31,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 01:52:31,929 INFO L276 IsEmpty]: Start isEmpty. Operand 6461 states and 7497 transitions. [2020-10-24 01:52:31,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-10-24 01:52:31,950 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:52:31,951 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-10-24 01:52:31,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 01:52:31,951 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:52:31,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:52:31,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1745719051, now seen corresponding path program 1 times [2020-10-24 01:52:31,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:52:31,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [374409647] [2020-10-24 01:52:31,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:52:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:32,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:52:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:32,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:52:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:32,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-24 01:52:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:32,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-24 01:52:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:32,315 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 145 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-24 01:52:32,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [374409647] [2020-10-24 01:52:32,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:52:32,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-24 01:52:32,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586242631] [2020-10-24 01:52:32,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 01:52:32,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:52:32,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 01:52:32,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-24 01:52:32,318 INFO L87 Difference]: Start difference. First operand 6461 states and 7497 transitions. Second operand 10 states. [2020-10-24 01:52:32,751 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-10-24 01:52:39,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:52:39,684 INFO L93 Difference]: Finished difference Result 12691 states and 14959 transitions. [2020-10-24 01:52:39,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-24 01:52:39,685 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 274 [2020-10-24 01:52:39,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:52:39,717 INFO L225 Difference]: With dead ends: 12691 [2020-10-24 01:52:39,717 INFO L226 Difference]: Without dead ends: 5573 [2020-10-24 01:52:39,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2020-10-24 01:52:39,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5573 states. [2020-10-24 01:52:40,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5573 to 5227. [2020-10-24 01:52:40,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5227 states. [2020-10-24 01:52:40,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5227 states to 5227 states and 5854 transitions. [2020-10-24 01:52:40,767 INFO L78 Accepts]: Start accepts. Automaton has 5227 states and 5854 transitions. Word has length 274 [2020-10-24 01:52:40,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:52:40,768 INFO L481 AbstractCegarLoop]: Abstraction has 5227 states and 5854 transitions. [2020-10-24 01:52:40,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 01:52:40,768 INFO L276 IsEmpty]: Start isEmpty. Operand 5227 states and 5854 transitions. [2020-10-24 01:52:40,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-10-24 01:52:40,784 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 01:52:40,784 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 01:52:40,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 01:52:40,785 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 01:52:40,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 01:52:40,785 INFO L82 PathProgramCache]: Analyzing trace with hash -2052661410, now seen corresponding path program 1 times [2020-10-24 01:52:40,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 01:52:40,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [428350944] [2020-10-24 01:52:40,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 01:52:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:40,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 01:52:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:40,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-24 01:52:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:40,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-24 01:52:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:40,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-24 01:52:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:40,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-24 01:52:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:40,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-24 01:52:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 01:52:41,048 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 175 proven. 8 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-10-24 01:52:41,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [428350944] [2020-10-24 01:52:41,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 01:52:41,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-24 01:52:41,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220113308] [2020-10-24 01:52:41,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-24 01:52:41,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 01:52:41,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-24 01:52:41,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-24 01:52:41,053 INFO L87 Difference]: Start difference. First operand 5227 states and 5854 transitions. Second operand 6 states. [2020-10-24 01:52:43,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 01:52:43,439 INFO L93 Difference]: Finished difference Result 5749 states and 6429 transitions. [2020-10-24 01:52:43,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-24 01:52:43,445 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 290 [2020-10-24 01:52:43,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 01:52:43,446 INFO L225 Difference]: With dead ends: 5749 [2020-10-24 01:52:43,446 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 01:52:43,460 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-24 01:52:43,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 01:52:43,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 01:52:43,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 01:52:43,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 01:52:43,461 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 290 [2020-10-24 01:52:43,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 01:52:43,462 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 01:52:43,462 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-24 01:52:43,462 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 01:52:43,462 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 01:52:43,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 01:52:43,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 01:53:28,140 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 143 [2020-10-24 01:53:46,152 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:53:47,073 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 69 [2020-10-24 01:53:49,396 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:53:50,541 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 162 DAG size of output: 69 [2020-10-24 01:53:51,492 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:53:53,734 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:53:55,992 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:53:58,237 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:53:59,239 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-10-24 01:54:00,200 WARN L193 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:54:01,154 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:54:03,413 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:54:04,259 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:54:05,286 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-10-24 01:54:06,231 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 68 [2020-10-24 01:54:07,124 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 70 [2020-10-24 01:54:07,670 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 63 [2020-10-24 01:54:08,507 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:54:09,405 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 70 [2020-10-24 01:54:10,269 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:54:11,110 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:54:13,367 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:54:15,632 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:54:16,594 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 72 [2020-10-24 01:54:17,453 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:54:18,174 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 62 [2020-10-24 01:54:19,133 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:54:21,394 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:54:22,079 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 67 [2020-10-24 01:54:23,543 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 162 DAG size of output: 74 [2020-10-24 01:54:25,833 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:54:26,888 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 156 DAG size of output: 66 [2020-10-24 01:54:27,853 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 67 [2020-10-24 01:54:28,863 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 158 DAG size of output: 64 [2020-10-24 01:54:29,783 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 62 [2020-10-24 01:54:30,690 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 66 [2020-10-24 01:54:32,984 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:54:33,832 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:54:34,606 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 62 [2020-10-24 01:54:36,971 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:54:38,073 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 158 DAG size of output: 64 [2020-10-24 01:54:38,997 WARN L193 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:54:41,478 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:54:42,176 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 69 [2020-10-24 01:54:43,643 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 161 DAG size of output: 76 [2020-10-24 01:54:46,084 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:54:48,550 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:54:49,577 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 115 DAG size of output: 66 [2020-10-24 01:54:50,530 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:54:51,203 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 65 [2020-10-24 01:54:52,156 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 65 [2020-10-24 01:54:53,184 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 114 DAG size of output: 67 [2020-10-24 01:54:54,062 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:54:55,058 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2020-10-24 01:54:56,026 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 67 [2020-10-24 01:54:56,895 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:54:57,781 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:55:00,150 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:55:02,509 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:55:04,925 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:55:06,102 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 155 DAG size of output: 69 [2020-10-24 01:55:07,056 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 68 [2020-10-24 01:55:09,479 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:55:10,640 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-10-24 01:55:11,656 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:55:12,698 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 115 DAG size of output: 70 [2020-10-24 01:55:15,166 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:55:15,908 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 62 [2020-10-24 01:55:18,297 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:55:20,776 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:55:23,249 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:55:24,366 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-10-24 01:55:25,401 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 115 DAG size of output: 66 [2020-10-24 01:55:27,839 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:55:29,105 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 158 DAG size of output: 67 [2020-10-24 01:55:30,661 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 162 DAG size of output: 71 [2020-10-24 01:55:31,600 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:55:32,535 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:55:33,449 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 69 [2020-10-24 01:55:34,377 WARN L193 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:55:35,305 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:55:37,737 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:55:40,167 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:55:41,145 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 67 [2020-10-24 01:55:42,197 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 107 DAG size of output: 70 [2020-10-24 01:55:43,130 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:55:44,066 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 65 [2020-10-24 01:55:45,543 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 155 DAG size of output: 70 [2020-10-24 01:55:47,997 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:55:50,431 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:55:52,863 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:55:53,838 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 68 [2020-10-24 01:55:54,891 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:55:55,659 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 62 [2020-10-24 01:55:58,120 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:55:59,179 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:56:01,636 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:56:04,079 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:56:05,012 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:56:06,438 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 158 DAG size of output: 70 [2020-10-24 01:56:07,364 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:56:08,290 WARN L193 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:56:09,462 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 162 DAG size of output: 70 [2020-10-24 01:56:11,926 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:56:12,840 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:56:15,202 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:56:16,293 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 132 DAG size of output: 58 [2020-10-24 01:56:17,189 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:56:18,272 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 153 DAG size of output: 63 [2020-10-24 01:56:20,631 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:56:22,984 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:56:25,330 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:56:26,265 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:56:27,362 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 153 DAG size of output: 63 [2020-10-24 01:56:28,259 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:56:30,617 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:56:31,637 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:56:32,657 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:56:33,390 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 62 [2020-10-24 01:56:34,325 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 65 [2020-10-24 01:56:35,370 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 113 DAG size of output: 65 [2020-10-24 01:56:36,327 WARN L193 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 67 [2020-10-24 01:56:37,515 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 154 DAG size of output: 65 [2020-10-24 01:56:38,414 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:56:39,651 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 160 DAG size of output: 69 [2020-10-24 01:56:40,759 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-10-24 01:56:41,664 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:56:42,562 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:56:43,466 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:56:45,836 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:56:46,737 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:56:49,094 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:56:51,466 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:56:52,482 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 157 DAG size of output: 71 [2020-10-24 01:56:53,296 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 64 [2020-10-24 01:56:54,273 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 69 [2020-10-24 01:56:55,393 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-10-24 01:56:56,484 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2020-10-24 01:56:57,587 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 118 DAG size of output: 73 [2020-10-24 01:56:58,629 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 112 DAG size of output: 63 [2020-10-24 01:56:59,326 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 65 [2020-10-24 01:57:00,383 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 155 DAG size of output: 64 [2020-10-24 01:57:01,294 WARN L193 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:57:02,324 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:57:03,403 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-10-24 01:57:05,796 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:57:06,839 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:57:09,219 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:57:10,268 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:57:11,727 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 162 DAG size of output: 69 [2020-10-24 01:57:12,740 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 111 DAG size of output: 66 [2020-10-24 01:57:13,646 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:57:16,035 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:57:16,941 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:57:17,879 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 63 [2020-10-24 01:57:18,797 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:57:21,184 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:57:22,235 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:57:24,627 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:57:27,019 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:57:28,107 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 158 DAG size of output: 64 [2020-10-24 01:57:30,508 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:57:31,616 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-10-24 01:57:34,024 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:57:35,067 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:57:36,121 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:57:37,174 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:57:39,551 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:57:40,600 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:57:43,008 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:57:43,927 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:57:44,741 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 70 [2020-10-24 01:57:45,672 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:57:48,078 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:57:49,009 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:57:49,934 WARN L193 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:57:51,129 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 109 DAG size of output: 65 [2020-10-24 01:57:53,542 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:57:55,955 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:57:57,077 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 153 DAG size of output: 63 [2020-10-24 01:57:59,495 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:58:00,602 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-10-24 01:58:03,022 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:58:05,438 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:58:07,981 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:58:08,864 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 68 [2020-10-24 01:58:09,796 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:58:12,220 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:58:13,294 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2020-10-24 01:58:15,717 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:58:16,782 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 154 DAG size of output: 67 [2020-10-24 01:58:17,667 WARN L193 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 65 [2020-10-24 01:58:18,597 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:58:19,802 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 159 DAG size of output: 66 [2020-10-24 01:58:20,878 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 113 DAG size of output: 63 [2020-10-24 01:58:21,812 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:58:22,746 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:58:23,727 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 65 [2020-10-24 01:58:24,658 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 66 [2020-10-24 01:58:25,597 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:58:26,473 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 66 [2020-10-24 01:58:27,467 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 65 [2020-10-24 01:58:29,892 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:58:30,925 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 110 DAG size of output: 64 [2020-10-24 01:58:32,025 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 116 DAG size of output: 72 [2020-10-24 01:58:33,100 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 113 DAG size of output: 63 [2020-10-24 01:58:34,125 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 109 DAG size of output: 64 [2020-10-24 01:58:36,552 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:58:38,984 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:58:39,813 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 64 [2020-10-24 01:58:40,798 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 66 [2020-10-24 01:58:42,050 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 153 DAG size of output: 66 [2020-10-24 01:58:43,160 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 132 DAG size of output: 58 [2020-10-24 01:58:44,109 WARN L193 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:58:45,384 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 160 DAG size of output: 69 [2020-10-24 01:58:46,460 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2020-10-24 01:58:47,363 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 67 [2020-10-24 01:58:49,823 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:58:52,260 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:58:53,124 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 64 [2020-10-24 01:58:55,596 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:58:58,036 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:58:59,052 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 110 DAG size of output: 65 [2020-10-24 01:59:01,513 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:59:02,542 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 156 DAG size of output: 68 [2020-10-24 01:59:05,015 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:59:06,105 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:59:08,570 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:59:11,028 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:59:13,481 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:59:14,572 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:59:15,654 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:59:16,807 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-10-24 01:59:19,279 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:59:20,358 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 01:59:21,266 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 65 [2020-10-24 01:59:22,058 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 72 [2020-10-24 01:59:23,015 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:59:23,980 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:59:24,936 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:59:25,884 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:59:26,845 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:59:27,804 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:59:28,768 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:59:29,862 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 112 DAG size of output: 64 [2020-10-24 01:59:30,810 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 65 [2020-10-24 01:59:32,098 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2020-10-24 01:59:33,409 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 162 DAG size of output: 71 [2020-10-24 01:59:34,180 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 62 [2020-10-24 01:59:36,670 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:59:37,892 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 166 DAG size of output: 67 [2020-10-24 01:59:38,992 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 108 DAG size of output: 63 [2020-10-24 01:59:39,658 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 66 [2020-10-24 01:59:42,137 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:59:43,376 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 155 DAG size of output: 68 [2020-10-24 01:59:44,381 WARN L193 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:59:45,337 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:59:46,444 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 109 DAG size of output: 63 [2020-10-24 01:59:47,436 WARN L193 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 62 [2020-10-24 01:59:48,400 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:59:49,360 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:59:50,960 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 162 DAG size of output: 74 [2020-10-24 01:59:51,929 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 01:59:53,072 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 157 DAG size of output: 64 [2020-10-24 01:59:55,576 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:59:58,066 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 01:59:59,037 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:00:01,569 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:00:02,539 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:00:05,040 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:00:06,207 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 107 DAG size of output: 67 [2020-10-24 02:00:07,172 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:00:07,916 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 65 [2020-10-24 02:00:08,882 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:00:10,066 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-10-24 02:00:12,586 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:00:13,561 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:00:14,531 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:00:17,037 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:00:18,002 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:00:20,506 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:00:21,559 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 111 DAG size of output: 67 [2020-10-24 02:00:22,516 WARN L193 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:00:25,049 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:00:26,087 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 107 DAG size of output: 66 [2020-10-24 02:00:27,073 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:00:28,047 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:00:29,093 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 107 DAG size of output: 66 [2020-10-24 02:00:30,215 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 107 DAG size of output: 63 [2020-10-24 02:00:31,861 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 162 DAG size of output: 71 [2020-10-24 02:00:32,850 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:00:34,369 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 161 DAG size of output: 76 [2020-10-24 02:00:35,383 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 105 DAG size of output: 62 [2020-10-24 02:00:36,366 WARN L193 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:00:37,352 WARN L193 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:00:38,983 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 162 DAG size of output: 74 [2020-10-24 02:00:39,973 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:00:41,021 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:00:41,878 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2020-10-24 02:00:42,977 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:00:44,196 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 114 DAG size of output: 66 [2020-10-24 02:00:46,981 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:00:47,154 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 32 [2020-10-24 02:00:49,949 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:00:51,069 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 161 DAG size of output: 68 [2020-10-24 02:00:52,273 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 113 DAG size of output: 71 [2020-10-24 02:00:53,092 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 65 [2020-10-24 02:00:54,157 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:00:55,416 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 158 DAG size of output: 64 [2020-10-24 02:00:56,474 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:00:57,533 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 111 DAG size of output: 65 [2020-10-24 02:00:58,801 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2020-10-24 02:01:00,180 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 159 DAG size of output: 66 [2020-10-24 02:01:01,417 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 153 DAG size of output: 63 [2020-10-24 02:01:02,500 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:01:03,559 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:01:06,239 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:01:07,394 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 02:01:08,455 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:01:11,193 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:01:13,836 WARN L193 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:01:15,229 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 160 DAG size of output: 69 [2020-10-24 02:01:17,934 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:01:18,793 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 62 [2020-10-24 02:01:19,670 WARN L193 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 62 [2020-10-24 02:01:20,957 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-10-24 02:01:23,751 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:01:24,975 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 02:01:27,671 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:01:30,411 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:01:31,612 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 02:01:34,264 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:01:36,916 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:01:38,082 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 02:01:38,918 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 65 [2020-10-24 02:01:39,952 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:01:41,110 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 112 DAG size of output: 66 [2020-10-24 02:01:42,137 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:01:43,286 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 02:01:45,968 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:01:48,618 WARN L193 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:01:49,744 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 114 DAG size of output: 65 [2020-10-24 02:01:52,419 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:01:55,087 WARN L193 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:01:56,279 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-10-24 02:01:57,287 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:01:58,083 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 62 [2020-10-24 02:01:59,129 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:02:01,706 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:02:02,885 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 132 DAG size of output: 58 [2020-10-24 02:02:04,058 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 132 DAG size of output: 58 [2020-10-24 02:02:05,268 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 132 DAG size of output: 58 [2020-10-24 02:02:06,489 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 132 DAG size of output: 58 [2020-10-24 02:02:16,755 WARN L193 SmtUtils]: Spent 10.26 s on a formula simplification. DAG size of input: 276 DAG size of output: 141 [2020-10-24 02:02:27,025 WARN L193 SmtUtils]: Spent 10.22 s on a formula simplification. DAG size of input: 276 DAG size of output: 142 [2020-10-24 02:02:29,641 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:02:30,845 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2020-10-24 02:02:32,093 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 153 DAG size of output: 63 [2020-10-24 02:02:34,696 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:02:35,877 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 107 DAG size of output: 63 [2020-10-24 02:02:38,499 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:02:39,538 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:02:40,607 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 105 DAG size of output: 64 [2020-10-24 02:02:43,228 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:02:45,854 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:02:46,884 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:02:48,462 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 161 DAG size of output: 76 [2020-10-24 02:02:49,492 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:02:50,995 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 111 DAG size of output: 69 [2020-10-24 02:02:52,492 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 161 DAG size of output: 72 [2020-10-24 02:02:53,806 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2020-10-24 02:02:54,750 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 66 [2020-10-24 02:02:55,790 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:02:56,969 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 112 DAG size of output: 63 [2020-10-24 02:02:58,111 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 115 DAG size of output: 68 [2020-10-24 02:03:00,748 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:03:03,401 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:03:06,047 WARN L193 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:03:06,827 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 65 [2020-10-24 02:03:09,466 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:03:10,691 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2020-10-24 02:03:13,336 WARN L193 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:03:15,985 WARN L193 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:03:18,623 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:03:19,452 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 62 [2020-10-24 02:03:20,627 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 02:03:21,775 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 113 DAG size of output: 67 [2020-10-24 02:03:24,433 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:03:25,457 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:03:26,494 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:03:27,657 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 114 DAG size of output: 66 [2020-10-24 02:03:28,784 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 107 DAG size of output: 61 [2020-10-24 02:03:29,781 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 65 [2020-10-24 02:03:31,101 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 162 DAG size of output: 68 [2020-10-24 02:03:32,148 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:03:33,538 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 154 DAG size of output: 66 [2020-10-24 02:03:34,676 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 111 DAG size of output: 69 [2020-10-24 02:03:35,759 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 108 DAG size of output: 63 [2020-10-24 02:03:37,006 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 132 DAG size of output: 58 [2020-10-24 02:03:38,252 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 132 DAG size of output: 58 [2020-10-24 02:03:39,489 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 132 DAG size of output: 58 [2020-10-24 02:03:40,539 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:03:41,288 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 65 [2020-10-24 02:03:42,350 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:03:43,427 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 153 DAG size of output: 65 [2020-10-24 02:03:46,085 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:03:47,222 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 109 DAG size of output: 69 [2020-10-24 02:03:48,293 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:03:51,006 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:03:53,764 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:03:54,829 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:03:55,897 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:03:56,967 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:03:58,197 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 110 DAG size of output: 68 [2020-10-24 02:03:59,241 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:04:01,948 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:04:03,040 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 105 DAG size of output: 65 [2020-10-24 02:04:05,759 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:04:08,465 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:04:09,601 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 111 DAG size of output: 66 [2020-10-24 02:04:11,040 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 160 DAG size of output: 69 [2020-10-24 02:04:11,886 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 62 [2020-10-24 02:04:13,087 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2020-10-24 02:04:15,811 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:04:16,885 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 109 DAG size of output: 64 [2020-10-24 02:04:17,969 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:04:18,732 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 61 [2020-10-24 02:04:21,438 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:04:24,166 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:04:25,235 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:04:26,362 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 112 DAG size of output: 65 [2020-10-24 02:04:27,424 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:04:28,499 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:04:29,807 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 167 DAG size of output: 70 [2020-10-24 02:04:31,146 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 150 DAG size of output: 67 [2020-10-24 02:04:32,225 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:04:33,683 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 158 DAG size of output: 67 [2020-10-24 02:04:34,802 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 107 DAG size of output: 67 [2020-10-24 02:04:36,054 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 113 DAG size of output: 65 [2020-10-24 02:04:38,799 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 195 DAG size of output: 76 [2020-10-24 02:04:40,248 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 160 DAG size of output: 69 [2020-10-24 02:04:41,318 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2020-10-24 02:04:42,404 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 92 DAG size of output: 51