/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label50.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 14:15:27,177 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 14:15:27,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 14:15:27,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-17 14:15:27,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 14:15:27,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 14:15:27,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 14:15:27,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 14:15:27,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 14:15:27,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 14:15:27,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 14:15:27,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 14:15:27,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 14:15:27,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 14:15:27,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 14:15:27,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 14:15:27,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 14:15:27,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 14:15:27,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 14:15:27,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 14:15:27,277 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 14:15:27,293 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 14:15:27,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 14:15:27,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 14:15:27,296 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 14:15:27,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 14:15:27,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 14:15:27,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 14:15:27,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 14:15:27,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 14:15:27,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 14:15:27,299 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 14:15:27,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 14:15:27,299 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 14:15:27,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 14:15:27,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 14:15:27,302 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 14:15:27,302 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 14:15:27,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 14:15:27,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 14:15:27,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 14:15:27,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 14:15:27,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 14:15:27,304 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 14:15:27,595 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 14:15:27,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 14:15:27,612 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 14:15:27,614 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 14:15:27,614 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 14:15:27,615 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label50.c [2020-07-17 14:15:27,699 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c340de2c/1887aeb6e939426f87958e1010bfe4ab/FLAG7e039e3ae [2020-07-17 14:15:28,309 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 14:15:28,310 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label50.c [2020-07-17 14:15:28,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c340de2c/1887aeb6e939426f87958e1010bfe4ab/FLAG7e039e3ae [2020-07-17 14:15:28,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c340de2c/1887aeb6e939426f87958e1010bfe4ab [2020-07-17 14:15:28,597 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 14:15:28,600 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 14:15:28,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 14:15:28,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 14:15:28,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 14:15:28,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 02:15:28" (1/1) ... [2020-07-17 14:15:28,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f22cd9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:15:28, skipping insertion in model container [2020-07-17 14:15:28,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 02:15:28" (1/1) ... [2020-07-17 14:15:28,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 14:15:28,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 14:15:29,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 14:15:29,192 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 14:15:29,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 14:15:29,397 INFO L208 MainTranslator]: Completed translation [2020-07-17 14:15:29,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:15:29 WrapperNode [2020-07-17 14:15:29,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 14:15:29,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 14:15:29,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 14:15:29,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 14:15:29,417 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:15:29" (1/1) ... [2020-07-17 14:15:29,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:15:29" (1/1) ... [2020-07-17 14:15:29,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:15:29" (1/1) ... [2020-07-17 14:15:29,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:15:29" (1/1) ... [2020-07-17 14:15:29,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:15:29" (1/1) ... [2020-07-17 14:15:29,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:15:29" (1/1) ... [2020-07-17 14:15:29,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:15:29" (1/1) ... [2020-07-17 14:15:29,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 14:15:29,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 14:15:29,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 14:15:29,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 14:15:29,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:15:29" (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 [2020-07-17 14:15:29,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 14:15:29,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 14:15:29,644 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 14:15:29,644 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 14:15:29,645 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 14:15:29,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 14:15:29,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 14:15:29,645 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 14:15:29,646 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 14:15:29,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 14:15:29,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 14:15:31,404 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 14:15:31,405 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 14:15:31,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 02:15:31 BoogieIcfgContainer [2020-07-17 14:15:31,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 14:15:31,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 14:15:31,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 14:15:31,426 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 14:15:31,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 02:15:28" (1/3) ... [2020-07-17 14:15:31,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70072c27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 02:15:31, skipping insertion in model container [2020-07-17 14:15:31,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:15:29" (2/3) ... [2020-07-17 14:15:31,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70072c27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 02:15:31, skipping insertion in model container [2020-07-17 14:15:31,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 02:15:31" (3/3) ... [2020-07-17 14:15:31,437 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label50.c [2020-07-17 14:15:31,450 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 14:15:31,463 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 14:15:31,479 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 14:15:31,506 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 14:15:31,506 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 14:15:31,507 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 14:15:31,507 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 14:15:31,507 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 14:15:31,508 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 14:15:31,508 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 14:15:31,508 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 14:15:31,544 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states. [2020-07-17 14:15:31,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-17 14:15:31,586 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:15:31,587 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] [2020-07-17 14:15:31,588 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:15:31,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:15:31,595 INFO L82 PathProgramCache]: Analyzing trace with hash -593885342, now seen corresponding path program 1 times [2020-07-17 14:15:31,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:15:31,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1562464498] [2020-07-17 14:15:31,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:15:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:15:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:15:32,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:15:32,209 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:15:32,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1562464498] [2020-07-17 14:15:32,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:15:32,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 14:15:32,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933825868] [2020-07-17 14:15:32,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 14:15:32,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:15:32,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 14:15:32,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 14:15:32,242 INFO L87 Difference]: Start difference. First operand 527 states. Second operand 5 states. [2020-07-17 14:15:35,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:15:35,476 INFO L93 Difference]: Finished difference Result 1539 states and 2132 transitions. [2020-07-17 14:15:35,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 14:15:35,478 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-07-17 14:15:35,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:15:35,506 INFO L225 Difference]: With dead ends: 1539 [2020-07-17 14:15:35,506 INFO L226 Difference]: Without dead ends: 935 [2020-07-17 14:15:35,521 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 14:15:35,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2020-07-17 14:15:35,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 878. [2020-07-17 14:15:35,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 878 states. [2020-07-17 14:15:35,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1089 transitions. [2020-07-17 14:15:35,731 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1089 transitions. Word has length 107 [2020-07-17 14:15:35,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:15:35,732 INFO L479 AbstractCegarLoop]: Abstraction has 878 states and 1089 transitions. [2020-07-17 14:15:35,732 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 14:15:35,733 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1089 transitions. [2020-07-17 14:15:35,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-07-17 14:15:35,738 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:15:35,739 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-17 14:15:35,739 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 14:15:35,739 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:15:35,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:15:35,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1658093710, now seen corresponding path program 1 times [2020-07-17 14:15:35,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:15:35,741 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [12020366] [2020-07-17 14:15:35,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:15:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:15:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:15:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:15:35,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:15:35,982 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:15:35,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [12020366] [2020-07-17 14:15:35,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:15:35,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 14:15:35,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810071222] [2020-07-17 14:15:35,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 14:15:35,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:15:35,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 14:15:35,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 14:15:35,986 INFO L87 Difference]: Start difference. First operand 878 states and 1089 transitions. Second operand 5 states. [2020-07-17 14:15:37,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:15:37,903 INFO L93 Difference]: Finished difference Result 2199 states and 2857 transitions. [2020-07-17 14:15:37,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 14:15:37,904 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2020-07-17 14:15:37,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:15:37,917 INFO L225 Difference]: With dead ends: 2199 [2020-07-17 14:15:37,917 INFO L226 Difference]: Without dead ends: 1343 [2020-07-17 14:15:37,924 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-17 14:15:37,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2020-07-17 14:15:38,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1330. [2020-07-17 14:15:38,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1330 states. [2020-07-17 14:15:38,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1680 transitions. [2020-07-17 14:15:38,090 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1680 transitions. Word has length 125 [2020-07-17 14:15:38,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:15:38,091 INFO L479 AbstractCegarLoop]: Abstraction has 1330 states and 1680 transitions. [2020-07-17 14:15:38,091 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 14:15:38,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1680 transitions. [2020-07-17 14:15:38,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-07-17 14:15:38,096 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:15:38,097 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 14:15:38,097 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 14:15:38,097 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:15:38,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:15:38,098 INFO L82 PathProgramCache]: Analyzing trace with hash -125182521, now seen corresponding path program 1 times [2020-07-17 14:15:38,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:15:38,098 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [272530210] [2020-07-17 14:15:38,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:15:38,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:15:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:15:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:15:38,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:15:39,345 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 14:15:39,679 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-07-17 14:15:40,088 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-07-17 14:15:40,320 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 14:15:40,574 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:15:40,847 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:15:41,395 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 14:15:41,711 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 14:15:42,060 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 14:15:42,424 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 14:15:43,097 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-07-17 14:15:43,815 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 14:15:44,521 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 14:15:45,304 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-07-17 14:15:45,760 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-07-17 14:15:46,547 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-07-17 14:15:47,025 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 14:15:47,568 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-17 14:15:48,479 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-07-17 14:15:49,331 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2020-07-17 14:15:50,157 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2020-07-17 14:15:51,040 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2020-07-17 14:15:51,590 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 14:15:52,568 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 96 [2020-07-17 14:15:53,568 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2020-07-17 14:15:54,613 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 14:15:55,642 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 14:15:56,298 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 14:15:56,993 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 14:15:58,142 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 14:15:58,865 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 14:16:00,077 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 14:16:01,287 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 14:16:02,537 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 14:16:03,311 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 14:16:04,109 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 14:16:05,431 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 110 DAG size of output: 104 [2020-07-17 14:16:07,163 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2020-07-17 14:16:08,446 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 14:16:09,737 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-07-17 14:16:10,558 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 14:16:11,401 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 14:16:12,801 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 14:16:14,286 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2020-07-17 14:16:15,664 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 14:16:17,539 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2020-07-17 14:16:18,955 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 14:16:20,363 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2020-07-17 14:16:21,812 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 14:16:23,301 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 14:16:24,726 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 14:16:26,616 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-07-17 14:16:27,950 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2020-07-17 14:16:29,223 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-07-17 14:16:30,502 WARN L193 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-07-17 14:16:31,908 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 14:16:33,249 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:16:35,059 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 14:16:36,384 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 14:16:37,726 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:16:39,049 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 14:16:40,368 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-07-17 14:16:41,709 WARN L193 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 14:16:43,344 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2020-07-17 14:16:44,573 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 14:16:45,808 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 14:16:47,404 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2020-07-17 14:16:48,521 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2020-07-17 14:16:49,510 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-07-17 14:16:50,289 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 68 [2020-07-17 14:16:50,804 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 40 [2020-07-17 14:16:50,805 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:16:50,806 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [272530210] [2020-07-17 14:16:50,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:16:50,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [92] imperfect sequences [] total 92 [2020-07-17 14:16:50,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942245455] [2020-07-17 14:16:50,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 93 states [2020-07-17 14:16:50,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:16:50,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2020-07-17 14:16:50,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3363, Invalid=5193, Unknown=0, NotChecked=0, Total=8556 [2020-07-17 14:16:50,819 INFO L87 Difference]: Start difference. First operand 1330 states and 1680 transitions. Second operand 93 states. [2020-07-17 14:16:54,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:16:54,939 INFO L93 Difference]: Finished difference Result 4875 states and 6618 transitions. [2020-07-17 14:16:54,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-17 14:16:54,943 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 141 [2020-07-17 14:16:54,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:16:54,977 INFO L225 Difference]: With dead ends: 4875 [2020-07-17 14:16:54,978 INFO L226 Difference]: Without dead ends: 3567 [2020-07-17 14:16:54,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1273 ImplicationChecksByTransitivity, 72.6s TimeCoverageRelationStatistics Valid=3406, Invalid=6494, Unknown=0, NotChecked=0, Total=9900 [2020-07-17 14:16:54,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3567 states. [2020-07-17 14:16:55,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3567 to 3238. [2020-07-17 14:16:55,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3238 states. [2020-07-17 14:16:55,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3238 states to 3238 states and 4258 transitions. [2020-07-17 14:16:55,386 INFO L78 Accepts]: Start accepts. Automaton has 3238 states and 4258 transitions. Word has length 141 [2020-07-17 14:16:55,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:16:55,387 INFO L479 AbstractCegarLoop]: Abstraction has 3238 states and 4258 transitions. [2020-07-17 14:16:55,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 93 states. [2020-07-17 14:16:55,387 INFO L276 IsEmpty]: Start isEmpty. Operand 3238 states and 4258 transitions. [2020-07-17 14:16:55,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-17 14:16:55,397 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:16:55,397 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 14:16:55,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 14:16:55,397 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:16:55,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:16:55,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1712229635, now seen corresponding path program 1 times [2020-07-17 14:16:55,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:16:55,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2118620103] [2020-07-17 14:16:55,399 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:16:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:16:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:16:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:16:55,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:16:56,438 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 14:16:56,612 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 14:16:56,968 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-07-17 14:16:57,360 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2020-07-17 14:16:57,647 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:16:57,917 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:16:58,222 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 14:16:58,782 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-07-17 14:16:59,135 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 14:16:59,499 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 14:16:59,888 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 14:17:00,614 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-07-17 14:17:01,380 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 14:17:02,170 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 14:17:02,991 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-07-17 14:17:03,485 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-07-17 14:17:04,353 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-07-17 14:17:04,885 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 14:17:05,466 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-17 14:17:06,494 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-07-17 14:17:07,466 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2020-07-17 14:17:08,441 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2020-07-17 14:17:09,462 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2020-07-17 14:17:10,097 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 14:17:11,196 WARN L193 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 96 [2020-07-17 14:17:12,362 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2020-07-17 14:17:13,564 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 14:17:14,726 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 14:17:15,466 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 14:17:16,223 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 14:17:17,546 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 14:17:18,363 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 14:17:19,717 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 14:17:21,104 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 14:17:22,418 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 14:17:23,227 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 14:17:24,068 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 14:17:25,498 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 110 DAG size of output: 104 [2020-07-17 14:17:27,365 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2020-07-17 14:17:28,736 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 14:17:30,188 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-07-17 14:17:31,047 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 14:17:31,933 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 14:17:33,576 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 14:17:35,125 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2020-07-17 14:17:36,609 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 14:17:38,614 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2020-07-17 14:17:40,091 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 14:17:41,620 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2020-07-17 14:17:43,161 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 14:17:44,767 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 14:17:46,270 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 14:17:48,273 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-07-17 14:17:49,694 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2020-07-17 14:17:51,029 WARN L193 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-07-17 14:17:52,386 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-07-17 14:17:53,826 WARN L193 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 14:17:55,248 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:17:57,121 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 14:17:58,553 WARN L193 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 14:17:59,990 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:18:01,386 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 14:18:02,796 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-07-17 14:18:04,221 WARN L193 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 14:18:05,969 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2020-07-17 14:18:07,279 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 14:18:08,593 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 14:18:10,269 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2020-07-17 14:18:11,488 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2020-07-17 14:18:12,546 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-07-17 14:18:13,353 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 68 [2020-07-17 14:18:13,855 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 41 [2020-07-17 14:18:13,856 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:18:13,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2118620103] [2020-07-17 14:18:13,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:18:13,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [92] imperfect sequences [] total 92 [2020-07-17 14:18:13,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605909555] [2020-07-17 14:18:13,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 93 states [2020-07-17 14:18:13,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:18:13,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2020-07-17 14:18:13,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3364, Invalid=5192, Unknown=0, NotChecked=0, Total=8556 [2020-07-17 14:18:13,864 INFO L87 Difference]: Start difference. First operand 3238 states and 4258 transitions. Second operand 93 states. [2020-07-17 14:18:18,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:18:18,285 INFO L93 Difference]: Finished difference Result 9599 states and 13036 transitions. [2020-07-17 14:18:18,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 14:18:18,288 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 145 [2020-07-17 14:18:18,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:18:18,341 INFO L225 Difference]: With dead ends: 9599 [2020-07-17 14:18:18,341 INFO L226 Difference]: Without dead ends: 6383 [2020-07-17 14:18:18,365 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1361 ImplicationChecksByTransitivity, 78.4s TimeCoverageRelationStatistics Valid=3414, Invalid=6686, Unknown=0, NotChecked=0, Total=10100 [2020-07-17 14:18:18,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6383 states. [2020-07-17 14:18:18,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6383 to 6006. [2020-07-17 14:18:18,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6006 states. [2020-07-17 14:18:19,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6006 states to 6006 states and 7513 transitions. [2020-07-17 14:18:19,018 INFO L78 Accepts]: Start accepts. Automaton has 6006 states and 7513 transitions. Word has length 145 [2020-07-17 14:18:19,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:18:19,018 INFO L479 AbstractCegarLoop]: Abstraction has 6006 states and 7513 transitions. [2020-07-17 14:18:19,019 INFO L480 AbstractCegarLoop]: Interpolant automaton has 93 states. [2020-07-17 14:18:19,019 INFO L276 IsEmpty]: Start isEmpty. Operand 6006 states and 7513 transitions. [2020-07-17 14:18:19,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-07-17 14:18:19,032 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:18:19,032 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 14:18:19,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 14:18:19,032 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:18:19,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:18:19,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1198067493, now seen corresponding path program 1 times [2020-07-17 14:18:19,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:18:19,033 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [313052304] [2020-07-17 14:18:19,033 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:18:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:18:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:18:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:18:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:18:19,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:18:19,253 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:18:19,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [313052304] [2020-07-17 14:18:19,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:18:19,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 14:18:19,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821454999] [2020-07-17 14:18:19,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 14:18:19,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:18:19,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 14:18:19,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 14:18:19,255 INFO L87 Difference]: Start difference. First operand 6006 states and 7513 transitions. Second operand 7 states. [2020-07-17 14:18:22,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:18:22,918 INFO L93 Difference]: Finished difference Result 13111 states and 16463 transitions. [2020-07-17 14:18:22,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 14:18:22,919 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 163 [2020-07-17 14:18:22,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:18:22,955 INFO L225 Difference]: With dead ends: 13111 [2020-07-17 14:18:22,955 INFO L226 Difference]: Without dead ends: 5782 [2020-07-17 14:18:22,982 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-07-17 14:18:22,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5782 states. [2020-07-17 14:18:23,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5782 to 5429. [2020-07-17 14:18:23,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5429 states. [2020-07-17 14:18:23,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5429 states to 5429 states and 6056 transitions. [2020-07-17 14:18:23,820 INFO L78 Accepts]: Start accepts. Automaton has 5429 states and 6056 transitions. Word has length 163 [2020-07-17 14:18:23,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:18:23,821 INFO L479 AbstractCegarLoop]: Abstraction has 5429 states and 6056 transitions. [2020-07-17 14:18:23,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 14:18:23,821 INFO L276 IsEmpty]: Start isEmpty. Operand 5429 states and 6056 transitions. [2020-07-17 14:18:23,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-07-17 14:18:23,829 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:18:23,830 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 14:18:23,830 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 14:18:23,830 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:18:23,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:18:23,831 INFO L82 PathProgramCache]: Analyzing trace with hash -451289247, now seen corresponding path program 1 times [2020-07-17 14:18:23,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:18:23,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1617236370] [2020-07-17 14:18:23,831 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:18:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:18:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:18:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:18:23,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:18:24,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:18:24,839 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-07-17 14:18:25,057 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-17 14:18:25,303 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 14:18:25,509 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 14:18:25,879 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-07-17 14:18:26,301 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2020-07-17 14:18:26,641 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:18:26,925 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:18:27,240 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 14:18:27,835 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-07-17 14:18:28,188 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 14:18:28,564 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 14:18:28,965 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 14:18:29,718 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-07-17 14:18:30,491 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 14:18:31,394 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2020-07-17 14:18:32,269 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-07-17 14:18:32,856 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 14:18:33,763 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2020-07-17 14:18:34,299 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-07-17 14:18:34,869 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 14:18:35,992 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2020-07-17 14:18:36,942 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2020-07-17 14:18:37,892 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2020-07-17 14:18:38,900 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 95 [2020-07-17 14:18:39,506 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-17 14:18:40,667 WARN L193 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 97 [2020-07-17 14:18:41,829 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2020-07-17 14:18:43,000 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 99 [2020-07-17 14:18:44,180 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-07-17 14:18:44,906 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 14:18:45,741 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-07-17 14:18:47,067 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 14:18:47,880 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 14:18:49,236 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:18:50,667 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:18:52,080 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2020-07-17 14:18:52,975 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 14:18:53,897 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 14:18:55,414 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 111 DAG size of output: 105 [2020-07-17 14:18:57,524 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2020-07-17 14:18:58,977 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2020-07-17 14:19:00,453 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 14:19:01,443 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 14:19:02,392 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-07-17 14:19:03,974 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 14:19:05,642 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2020-07-17 14:19:07,275 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 110 DAG size of output: 106 [2020-07-17 14:19:09,448 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 14:19:11,038 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 14:19:12,701 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2020-07-17 14:19:14,349 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 14:19:16,054 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 109 DAG size of output: 109 [2020-07-17 14:19:17,662 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 110 DAG size of output: 106 [2020-07-17 14:19:19,876 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-07-17 14:19:21,373 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2020-07-17 14:19:22,832 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-07-17 14:19:24,273 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2020-07-17 14:19:25,871 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-07-17 14:19:27,389 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2020-07-17 14:19:29,375 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 14:19:31,381 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2020-07-17 14:19:32,940 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2020-07-17 14:19:34,437 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 14:19:35,955 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 14:19:37,493 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 14:19:39,359 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2020-07-17 14:19:40,777 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 99 [2020-07-17 14:19:42,195 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-07-17 14:19:44,038 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 100 DAG size of output: 97 [2020-07-17 14:19:45,317 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2020-07-17 14:19:46,468 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 87 [2020-07-17 14:19:47,344 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 69 [2020-07-17 14:19:47,867 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 41 [2020-07-17 14:19:47,868 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:19:47,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1617236370] [2020-07-17 14:19:47,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:19:47,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [91] imperfect sequences [] total 91 [2020-07-17 14:19:47,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664663207] [2020-07-17 14:19:47,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 92 states [2020-07-17 14:19:47,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:19:47,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2020-07-17 14:19:47,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3359, Invalid=5013, Unknown=0, NotChecked=0, Total=8372 [2020-07-17 14:19:47,874 INFO L87 Difference]: Start difference. First operand 5429 states and 6056 transitions. Second operand 92 states. [2020-07-17 14:19:49,163 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2020-07-17 14:19:49,366 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2020-07-17 14:19:49,640 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 94 [2020-07-17 14:19:49,957 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 103 [2020-07-17 14:19:50,376 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 104 [2020-07-17 14:19:50,763 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-07-17 14:19:51,257 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 111 [2020-07-17 14:19:51,714 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 111 [2020-07-17 14:19:52,466 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 112 [2020-07-17 14:19:53,307 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 113 [2020-07-17 14:19:54,167 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 114 [2020-07-17 14:19:54,845 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 119 [2020-07-17 14:19:55,585 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 120 [2020-07-17 14:19:56,354 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 121 [2020-07-17 14:19:57,181 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2020-07-17 14:19:58,020 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 125 [2020-07-17 14:19:58,903 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 126 [2020-07-17 14:19:59,809 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 130 [2020-07-17 14:20:00,755 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 131 [2020-07-17 14:20:01,814 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 134 [2020-07-17 14:20:02,870 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 135 [2020-07-17 14:20:03,853 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 134 [2020-07-17 14:20:04,905 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 135 [2020-07-17 14:20:06,007 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 136 [2020-07-17 14:20:07,204 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 141 DAG size of output: 137 [2020-07-17 14:20:08,400 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 143 DAG size of output: 138 [2020-07-17 14:20:09,607 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 143 DAG size of output: 138 [2020-07-17 14:20:10,889 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 144 DAG size of output: 139 [2020-07-17 14:20:12,225 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 145 DAG size of output: 140 [2020-07-17 14:20:13,623 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 147 DAG size of output: 141 [2020-07-17 14:20:15,119 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 147 DAG size of output: 141 [2020-07-17 14:20:15,459 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2020-07-17 14:20:16,851 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 148 DAG size of output: 142 [2020-07-17 14:20:18,303 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 150 DAG size of output: 143 [2020-07-17 14:20:19,767 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 149 DAG size of output: 143 [2020-07-17 14:20:21,122 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 147 DAG size of output: 141 [2020-07-17 14:20:22,518 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 148 DAG size of output: 142 [2020-07-17 14:20:23,961 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 149 DAG size of output: 144 [2020-07-17 14:20:25,443 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 150 DAG size of output: 145 [2020-07-17 14:20:27,001 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 151 DAG size of output: 146 [2020-07-17 14:20:28,618 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 152 DAG size of output: 147 [2020-07-17 14:20:30,253 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 153 DAG size of output: 148 [2020-07-17 14:20:31,737 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 150 DAG size of output: 144 [2020-07-17 14:20:33,310 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 151 DAG size of output: 145 [2020-07-17 14:20:34,904 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 152 DAG size of output: 146 [2020-07-17 14:20:36,497 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 153 DAG size of output: 146 [2020-07-17 14:20:37,958 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 150 DAG size of output: 143 [2020-07-17 14:20:39,454 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 149 DAG size of output: 143 [2020-07-17 14:20:41,401 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 146 DAG size of output: 138 [2020-07-17 14:20:43,224 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 145 DAG size of output: 137 [2020-07-17 14:20:45,049 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 145 DAG size of output: 137 [2020-07-17 14:20:46,972 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 148 DAG size of output: 139 [2020-07-17 14:20:48,884 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 147 DAG size of output: 139 [2020-07-17 14:20:50,901 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 148 DAG size of output: 140 [2020-07-17 14:20:52,958 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 146 DAG size of output: 140 [2020-07-17 14:20:53,214 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2020-07-17 14:20:55,270 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 147 DAG size of output: 141 [2020-07-17 14:20:55,650 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2020-07-17 14:20:57,236 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 142 DAG size of output: 133 [2020-07-17 14:20:58,900 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 143 DAG size of output: 134 [2020-07-17 14:21:00,650 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 143 DAG size of output: 134 [2020-07-17 14:21:01,183 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2020-07-17 14:21:02,631 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 141 DAG size of output: 130 [2020-07-17 14:21:03,978 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 125 [2020-07-17 14:21:04,936 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 108 [2020-07-17 14:21:05,908 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-07-17 14:21:07,020 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2020-07-17 14:21:07,311 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 46 [2020-07-17 14:21:07,540 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 58 [2020-07-17 14:21:08,800 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2020-07-17 14:21:10,601 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-07-17 14:21:11,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:21:11,005 INFO L93 Difference]: Finished difference Result 7375 states and 8308 transitions. [2020-07-17 14:21:11,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2020-07-17 14:21:11,006 INFO L78 Accepts]: Start accepts. Automaton has 92 states. Word has length 167 [2020-07-17 14:21:11,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:21:11,010 INFO L225 Difference]: With dead ends: 7375 [2020-07-17 14:21:11,010 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 14:21:11,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8665 ImplicationChecksByTransitivity, 161.0s TimeCoverageRelationStatistics Valid=9327, Invalid=26963, Unknown=0, NotChecked=0, Total=36290 [2020-07-17 14:21:11,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 14:21:11,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 14:21:11,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 14:21:11,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 14:21:11,040 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2020-07-17 14:21:11,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:21:11,040 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 14:21:11,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 92 states. [2020-07-17 14:21:11,040 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 14:21:11,041 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 14:21:11,041 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 14:21:11,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 14:21:50,272 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 227 [2020-07-17 14:21:50,647 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 238 [2020-07-17 14:21:51,035 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 227 [2020-07-17 14:22:03,896 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 75 [2020-07-17 14:22:05,338 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 236 DAG size of output: 110 [2020-07-17 14:22:06,756 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 236 DAG size of output: 105 [2020-07-17 14:22:09,046 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 271 DAG size of output: 133 [2020-07-17 14:22:10,403 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 236 DAG size of output: 105 [2020-07-17 14:22:10,881 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 77 [2020-07-17 14:22:11,263 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 75 [2020-07-17 14:22:11,651 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 75 [2020-07-17 14:22:13,075 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 236 DAG size of output: 105 [2020-07-17 14:22:13,556 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 77 [2020-07-17 14:22:15,087 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 236 DAG size of output: 110 [2020-07-17 14:22:18,355 WARN L193 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 303 DAG size of output: 144 [2020-07-17 14:22:21,908 WARN L193 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 307 DAG size of output: 150 [2020-07-17 14:22:23,237 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 217 DAG size of output: 83 [2020-07-17 14:22:26,459 WARN L193 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 298 DAG size of output: 147 [2020-07-17 14:22:26,742 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:22:27,059 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:22:27,359 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:22:27,674 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:22:31,146 WARN L193 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 300 DAG size of output: 150 [2020-07-17 14:22:31,572 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 74 [2020-07-17 14:22:34,471 WARN L193 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 289 DAG size of output: 141 [2020-07-17 14:22:35,657 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 183 DAG size of output: 96 [2020-07-17 14:22:36,635 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 96 [2020-07-17 14:22:37,323 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 97 [2020-07-17 14:22:38,384 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 205 DAG size of output: 89 [2020-07-17 14:22:38,786 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 75 [2020-07-17 14:22:39,309 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 77 [2020-07-17 14:22:40,802 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 236 DAG size of output: 105 [2020-07-17 14:22:41,291 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 77 [2020-07-17 14:22:42,870 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 210 DAG size of output: 113 [2020-07-17 14:22:44,350 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 243 DAG size of output: 113 [2020-07-17 14:22:44,834 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 82 [2020-07-17 14:22:45,234 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 79 [2020-07-17 14:22:46,070 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 94 [2020-07-17 14:22:46,385 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:22:46,687 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:22:46,995 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:22:47,700 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 79 [2020-07-17 14:22:48,172 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 83 [2020-07-17 14:22:48,793 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 85 [2020-07-17 14:22:49,116 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:22:52,267 WARN L193 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 299 DAG size of output: 136 [2020-07-17 14:22:52,818 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 72 [2020-07-17 14:22:53,315 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 76 [2020-07-17 14:22:53,822 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 77 [2020-07-17 14:22:54,138 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:22:54,737 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 100 [2020-07-17 14:22:55,439 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 93 [2020-07-17 14:22:56,150 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 102 [2020-07-17 14:22:56,463 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:22:57,443 WARN L193 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 89 [2020-07-17 14:22:58,166 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 77 [2020-07-17 14:22:59,786 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 259 DAG size of output: 112 [2020-07-17 14:23:00,307 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 83 [2020-07-17 14:23:01,042 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 88 [2020-07-17 14:23:01,602 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 75 [2020-07-17 14:23:04,343 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 270 DAG size of output: 132 [2020-07-17 14:23:06,136 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 261 DAG size of output: 121 [2020-07-17 14:23:06,551 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 76 [2020-07-17 14:23:07,342 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 84 [2020-07-17 14:23:07,812 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 71 [2020-07-17 14:23:08,386 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 74 [2020-07-17 14:23:08,877 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 75 [2020-07-17 14:23:09,211 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:23:09,836 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 86 [2020-07-17 14:23:11,752 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 219 DAG size of output: 106 [2020-07-17 14:23:12,238 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 82 [2020-07-17 14:23:12,569 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:23:13,029 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 75 [2020-07-17 14:23:14,768 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 236 DAG size of output: 110 [2020-07-17 14:23:16,487 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 236 DAG size of output: 110 [2020-07-17 14:23:18,233 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 236 DAG size of output: 110 [2020-07-17 14:23:19,810 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 236 DAG size of output: 105 [2020-07-17 14:23:20,361 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 77 [2020-07-17 14:23:20,829 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 75 [2020-07-17 14:23:21,309 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 75 [2020-07-17 14:23:23,090 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 236 DAG size of output: 110 [2020-07-17 14:23:23,893 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 81 [2020-07-17 14:23:24,491 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 82 [2020-07-17 14:23:28,196 WARN L193 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 299 DAG size of output: 148 [2020-07-17 14:23:28,555 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:23:30,099 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 219 DAG size of output: 91 [2020-07-17 14:23:30,455 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:23:32,335 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 240 DAG size of output: 96 [2020-07-17 14:23:32,863 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 91 [2020-07-17 14:23:33,816 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 105 [2020-07-17 14:23:34,149 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:23:34,479 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:23:35,446 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 102 [2020-07-17 14:23:35,790 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:23:40,162 WARN L193 SmtUtils]: Spent 4.36 s on a formula simplification. DAG size of input: 307 DAG size of output: 155 [2020-07-17 14:23:41,997 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 236 DAG size of output: 110 [2020-07-17 14:23:42,535 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 76 [2020-07-17 14:23:45,996 WARN L193 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 284 DAG size of output: 144 [2020-07-17 14:23:46,714 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 76 [2020-07-17 14:23:47,307 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 92 [2020-07-17 14:23:49,282 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 224 DAG size of output: 102 [2020-07-17 14:23:53,272 WARN L193 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 289 DAG size of output: 151 [2020-07-17 14:23:55,810 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 263 DAG size of output: 127 [2020-07-17 14:23:56,358 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 81 [2020-07-17 14:23:56,713 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:23:58,611 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 236 DAG size of output: 110 [2020-07-17 14:23:59,594 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 86 [2020-07-17 14:24:00,208 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 77 [2020-07-17 14:24:02,151 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 236 DAG size of output: 110 [2020-07-17 14:24:04,055 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 236 DAG size of output: 110 [2020-07-17 14:24:06,008 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 236 DAG size of output: 110 [2020-07-17 14:24:06,507 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 75 [2020-07-17 14:24:07,070 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 91 [2020-07-17 14:24:07,455 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:24:07,827 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:24:08,348 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 71 [2020-07-17 14:24:08,944 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 85 [2020-07-17 14:24:09,326 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:24:09,694 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:24:10,258 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 76 [2020-07-17 14:24:10,963 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 100 [2020-07-17 14:24:11,351 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:24:12,477 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 128 DAG size of output: 91 [2020-07-17 14:24:16,714 WARN L193 SmtUtils]: Spent 4.23 s on a formula simplification. DAG size of input: 303 DAG size of output: 147 [2020-07-17 14:24:17,625 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 104 [2020-07-17 14:24:21,943 WARN L193 SmtUtils]: Spent 4.31 s on a formula simplification. DAG size of input: 309 DAG size of output: 146 [2020-07-17 14:24:22,351 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:24:23,856 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 212 DAG size of output: 86 [2020-07-17 14:24:24,241 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:24:24,774 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 75 [2020-07-17 14:24:25,389 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 77 [2020-07-17 14:24:27,401 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 236 DAG size of output: 110 [2020-07-17 14:24:28,050 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 77 [2020-07-17 14:24:30,118 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 236 DAG size of output: 110 [2020-07-17 14:24:31,177 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 127 DAG size of output: 85 [2020-07-17 14:24:34,391 WARN L193 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 283 DAG size of output: 145 [2020-07-17 14:24:35,075 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 88 [2020-07-17 14:24:36,316 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 140 DAG size of output: 94 [2020-07-17 14:24:40,477 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 299 DAG size of output: 142 [2020-07-17 14:24:45,375 WARN L193 SmtUtils]: Spent 4.89 s on a formula simplification. DAG size of input: 305 DAG size of output: 155 [2020-07-17 14:24:47,127 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 207 DAG size of output: 94 [2020-07-17 14:24:47,568 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:24:47,947 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:24:48,443 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 72 [2020-07-17 14:24:52,796 WARN L193 SmtUtils]: Spent 4.34 s on a formula simplification. DAG size of input: 296 DAG size of output: 146 [2020-07-17 14:24:53,884 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 147 DAG size of output: 84 [2020-07-17 14:24:54,284 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:24:55,216 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 96 [2020-07-17 14:24:55,837 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 70 [2020-07-17 14:24:56,789 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 82 [2020-07-17 14:24:57,578 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 82 [2020-07-17 14:24:58,566 WARN L193 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 79 [2020-07-17 14:25:00,763 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 235 DAG size of output: 107 [2020-07-17 14:25:03,565 WARN L193 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 259 DAG size of output: 118 [2020-07-17 14:25:04,683 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 161 DAG size of output: 89 [2020-07-17 14:25:06,976 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 251 DAG size of output: 122 [2020-07-17 14:25:09,273 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 221 DAG size of output: 123 [2020-07-17 14:25:10,339 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2020-07-17 14:25:10,809 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:25:13,039 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 263 DAG size of output: 116 [2020-07-17 14:25:13,767 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 77 [2020-07-17 14:25:15,916 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 236 DAG size of output: 110 [2020-07-17 14:25:17,967 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 236 DAG size of output: 105 [2020-07-17 14:25:18,567 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 75 [2020-07-17 14:25:19,126 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 75 [2020-07-17 14:25:19,701 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 73 [2020-07-17 14:25:22,246 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 201 DAG size of output: 109 [2020-07-17 14:25:23,721 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 212 DAG size of output: 102 [2020-07-17 14:25:24,184 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:25:26,488 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 236 DAG size of output: 110 [2020-07-17 14:25:27,725 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 210 DAG size of output: 110 [2020-07-17 14:25:28,162 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:25:28,620 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:25:30,640 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 236 DAG size of output: 105 [2020-07-17 14:25:31,601 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 75 [2020-07-17 14:25:32,282 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 77 [2020-07-17 14:25:32,886 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 75 [2020-07-17 14:25:33,640 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 77 [2020-07-17 14:25:35,655 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 236 DAG size of output: 105 [2020-07-17 14:25:36,374 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 77 [2020-07-17 14:25:37,059 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 77 [2020-07-17 14:25:39,120 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 236 DAG size of output: 105 [2020-07-17 14:25:39,826 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 77 [2020-07-17 14:25:42,097 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 236 DAG size of output: 110 [2020-07-17 14:25:44,389 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 236 DAG size of output: 110 [2020-07-17 14:25:45,093 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 77 [2020-07-17 14:25:45,775 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 67 [2020-07-17 14:25:46,575 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 72 [2020-07-17 14:25:47,932 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 126 DAG size of output: 89 [2020-07-17 14:25:48,576 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 79 [2020-07-17 14:25:49,023 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:25:49,470 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:25:50,143 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 79 [2020-07-17 14:25:50,949 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 86 [2020-07-17 14:25:53,057 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 236 DAG size of output: 105 [2020-07-17 14:25:54,000 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 78 [2020-07-17 14:25:58,303 WARN L193 SmtUtils]: Spent 4.30 s on a formula simplification. DAG size of input: 289 DAG size of output: 140 [2020-07-17 14:26:03,001 WARN L193 SmtUtils]: Spent 4.69 s on a formula simplification. DAG size of input: 291 DAG size of output: 146 [2020-07-17 14:26:05,173 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 236 DAG size of output: 105 [2020-07-17 14:26:05,795 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 75 [2020-07-17 14:26:06,263 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:26:06,876 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 74 [2020-07-17 14:26:07,812 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 74 [2020-07-17 14:26:08,700 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 79 [2020-07-17 14:26:10,312 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 174 DAG size of output: 100 [2020-07-17 14:26:11,638 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 197 DAG size of output: 95 [2020-07-17 14:26:16,273 WARN L193 SmtUtils]: Spent 4.63 s on a formula simplification. DAG size of input: 295 DAG size of output: 141 [2020-07-17 14:26:17,297 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 162 DAG size of output: 86 [2020-07-17 14:26:22,238 WARN L193 SmtUtils]: Spent 4.93 s on a formula simplification. DAG size of input: 280 DAG size of output: 149 [2020-07-17 14:26:22,742 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:26:24,884 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 230 DAG size of output: 93 [2020-07-17 14:26:30,100 WARN L193 SmtUtils]: Spent 5.21 s on a formula simplification. DAG size of input: 299 DAG size of output: 148 [2020-07-17 14:26:30,603 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:26:31,805 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 158 DAG size of output: 100 [2020-07-17 14:26:32,254 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:26:33,402 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 144 DAG size of output: 81 [2020-07-17 14:26:35,584 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 245 DAG size of output: 111 [2020-07-17 14:26:36,663 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 116 DAG size of output: 83 [2020-07-17 14:26:37,181 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:26:37,653 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:26:39,222 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 182 DAG size of output: 90 [2020-07-17 14:26:39,726 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:26:40,440 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 77 [2020-07-17 14:26:43,372 WARN L193 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 253 DAG size of output: 111 [2020-07-17 14:26:43,859 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:26:48,541 WARN L193 SmtUtils]: Spent 4.68 s on a formula simplification. DAG size of input: 276 DAG size of output: 140 [2020-07-17 14:26:52,698 WARN L193 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 276 DAG size of output: 131 [2020-07-17 14:26:54,387 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 174 DAG size of output: 101 [2020-07-17 14:26:55,729 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 126 DAG size of output: 83 [2020-07-17 14:26:56,510 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 84 [2020-07-17 14:26:57,728 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 144 DAG size of output: 81 [2020-07-17 14:26:59,836 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 210 DAG size of output: 94 [2020-07-17 14:27:01,271 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 200 DAG size of output: 89 [2020-07-17 14:27:02,236 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 72 [2020-07-17 14:27:03,299 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 147 DAG size of output: 94 [2020-07-17 14:27:03,838 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:27:09,361 WARN L193 SmtUtils]: Spent 5.52 s on a formula simplification. DAG size of input: 305 DAG size of output: 143 [2020-07-17 14:27:10,391 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 182 DAG size of output: 77 [2020-07-17 14:27:11,104 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 77 [2020-07-17 14:27:11,975 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 78 [2020-07-17 14:27:13,772 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 224 DAG size of output: 98 [2020-07-17 14:27:16,563 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 236 DAG size of output: 110 [2020-07-17 14:27:17,214 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 75 [2020-07-17 14:27:17,941 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 75 [2020-07-17 14:27:18,783 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 77 [2020-07-17 14:27:21,334 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 236 DAG size of output: 105 [2020-07-17 14:27:22,276 WARN L193 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 77 [2020-07-17 14:27:25,051 WARN L193 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 236 DAG size of output: 110 [2020-07-17 14:27:27,687 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 236 DAG size of output: 105 [2020-07-17 14:27:28,429 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 75 [2020-07-17 14:27:34,272 WARN L193 SmtUtils]: Spent 5.84 s on a formula simplification. DAG size of input: 303 DAG size of output: 142 [2020-07-17 14:27:40,138 WARN L193 SmtUtils]: Spent 5.86 s on a formula simplification. DAG size of input: 307 DAG size of output: 144 [2020-07-17 14:27:40,683 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:27:41,296 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:27:42,256 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 72 [2020-07-17 14:27:42,842 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:27:43,727 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 69 [2020-07-17 14:27:49,165 WARN L193 SmtUtils]: Spent 5.43 s on a formula simplification. DAG size of input: 289 DAG size of output: 140 [2020-07-17 14:27:49,778 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:27:50,631 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 79 [2020-07-17 14:27:51,660 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 134 DAG size of output: 87 [2020-07-17 14:27:52,805 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 115 DAG size of output: 80 [2020-07-17 14:27:55,453 WARN L193 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 236 DAG size of output: 105 [2020-07-17 14:27:58,109 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 236 DAG size of output: 105 [2020-07-17 14:28:01,353 WARN L193 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 229 DAG size of output: 106 [2020-07-17 14:28:02,260 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 86 [2020-07-17 14:28:03,477 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 122 DAG size of output: 77 [2020-07-17 14:28:05,823 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 207 DAG size of output: 108 [2020-07-17 14:28:06,708 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 85 [2020-07-17 14:28:08,765 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 186 DAG size of output: 99 [2020-07-17 14:28:09,383 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:28:15,877 WARN L193 SmtUtils]: Spent 6.49 s on a formula simplification. DAG size of input: 305 DAG size of output: 151 [2020-07-17 14:28:16,458 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:28:23,440 WARN L193 SmtUtils]: Spent 6.98 s on a formula simplification. DAG size of input: 307 DAG size of output: 149 [2020-07-17 14:28:29,558 WARN L193 SmtUtils]: Spent 6.11 s on a formula simplification. DAG size of input: 307 DAG size of output: 139 [2020-07-17 14:28:30,154 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:28:30,740 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2020-07-17 14:28:31,698 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 78 [2020-07-17 14:28:34,506 WARN L193 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 236 DAG size of output: 105 [2020-07-17 14:28:36,246 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 174 DAG size of output: 103 [2020-07-17 14:28:39,979 WARN L193 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 255 DAG size of output: 127 [2020-07-17 14:28:41,046 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 116 DAG size of output: 72 [2020-07-17 14:28:41,656 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62