/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_label14.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 13:57:13,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 13:57:13,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 13:57:13,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-17 13:57:13,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 13:57:13,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 13:57:13,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 13:57:13,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 13:57:13,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 13:57:13,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 13:57:13,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 13:57:13,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 13:57:13,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 13:57:13,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 13:57:13,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 13:57:13,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 13:57:13,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 13:57:13,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 13:57:13,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 13:57:13,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 13:57:13,568 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 13:57:13,577 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 13:57:13,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 13:57:13,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 13:57:13,579 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 13:57:13,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 13:57:13,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 13:57:13,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 13:57:13,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 13:57:13,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 13:57:13,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 13:57:13,581 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 13:57:13,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 13:57:13,581 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 13:57:13,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 13:57:13,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 13:57:13,582 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 13:57:13,582 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 13:57:13,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 13:57:13,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 13:57:13,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 13:57:13,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 13:57:13,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 13:57:13,583 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 13:57:13,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 13:57:13,972 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 13:57:13,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 13:57:13,977 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 13:57:13,977 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 13:57:13,978 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2020-07-17 13:57:14,055 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/358bed047/581d14625bfb44cdb20f26aed74fb459/FLAG033099d3c [2020-07-17 13:57:14,631 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 13:57:14,632 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label14.c [2020-07-17 13:57:14,644 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/358bed047/581d14625bfb44cdb20f26aed74fb459/FLAG033099d3c [2020-07-17 13:57:14,905 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/358bed047/581d14625bfb44cdb20f26aed74fb459 [2020-07-17 13:57:14,915 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 13:57:14,918 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 13:57:14,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 13:57:14,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 13:57:14,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 13:57:14,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:57:14" (1/1) ... [2020-07-17 13:57:14,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6377ca50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:14, skipping insertion in model container [2020-07-17 13:57:14,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 01:57:14" (1/1) ... [2020-07-17 13:57:14,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 13:57:14,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 13:57:15,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:57:15,453 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 13:57:15,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 13:57:15,766 INFO L208 MainTranslator]: Completed translation [2020-07-17 13:57:15,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:15 WrapperNode [2020-07-17 13:57:15,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 13:57:15,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 13:57:15,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 13:57:15,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 13:57:15,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:15" (1/1) ... [2020-07-17 13:57:15,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:15" (1/1) ... [2020-07-17 13:57:15,825 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:15" (1/1) ... [2020-07-17 13:57:15,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:15" (1/1) ... [2020-07-17 13:57:15,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:15" (1/1) ... [2020-07-17 13:57:15,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:15" (1/1) ... [2020-07-17 13:57:15,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:15" (1/1) ... [2020-07-17 13:57:15,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 13:57:15,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 13:57:15,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 13:57:15,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 13:57:15,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:15" (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 13:57:16,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 13:57:16,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 13:57:16,032 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 13:57:16,032 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 13:57:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 13:57:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 13:57:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 13:57:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 13:57:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 13:57:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 13:57:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 13:57:17,522 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 13:57:17,522 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 13:57:17,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:57:17 BoogieIcfgContainer [2020-07-17 13:57:17,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 13:57:17,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 13:57:17,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 13:57:17,549 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 13:57:17,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 01:57:14" (1/3) ... [2020-07-17 13:57:17,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@710670bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:57:17, skipping insertion in model container [2020-07-17 13:57:17,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 01:57:15" (2/3) ... [2020-07-17 13:57:17,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@710670bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 01:57:17, skipping insertion in model container [2020-07-17 13:57:17,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 01:57:17" (3/3) ... [2020-07-17 13:57:17,566 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label14.c [2020-07-17 13:57:17,578 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 13:57:17,592 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 13:57:17,608 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 13:57:17,640 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 13:57:17,641 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 13:57:17,641 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 13:57:17,642 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 13:57:17,642 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 13:57:17,642 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 13:57:17,642 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 13:57:17,642 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 13:57:17,670 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states. [2020-07-17 13:57:17,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-07-17 13:57:17,697 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:57:17,698 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:57:17,699 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:57:17,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:57:17,706 INFO L82 PathProgramCache]: Analyzing trace with hash 569136050, now seen corresponding path program 1 times [2020-07-17 13:57:17,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:57:17,713 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1071514130] [2020-07-17 13:57:17,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:57:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:57:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:57:18,387 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 13:57:18,390 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:57:18,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1071514130] [2020-07-17 13:57:18,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:57:18,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 13:57:18,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264846391] [2020-07-17 13:57:18,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 13:57:18,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:57:18,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 13:57:18,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 13:57:18,422 INFO L87 Difference]: Start difference. First operand 527 states. Second operand 5 states. [2020-07-17 13:57:21,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:57:21,764 INFO L93 Difference]: Finished difference Result 1431 states and 2025 transitions. [2020-07-17 13:57:21,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 13:57:21,767 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2020-07-17 13:57:21,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:57:21,818 INFO L225 Difference]: With dead ends: 1431 [2020-07-17 13:57:21,819 INFO L226 Difference]: Without dead ends: 848 [2020-07-17 13:57:21,834 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 13:57:21,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2020-07-17 13:57:22,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 775. [2020-07-17 13:57:22,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2020-07-17 13:57:22,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 942 transitions. [2020-07-17 13:57:22,046 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 942 transitions. Word has length 143 [2020-07-17 13:57:22,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:57:22,047 INFO L479 AbstractCegarLoop]: Abstraction has 775 states and 942 transitions. [2020-07-17 13:57:22,048 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 13:57:22,048 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 942 transitions. [2020-07-17 13:57:22,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-07-17 13:57:22,058 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:57:22,058 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:57:22,059 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 13:57:22,059 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:57:22,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:57:22,060 INFO L82 PathProgramCache]: Analyzing trace with hash 2072435269, now seen corresponding path program 1 times [2020-07-17 13:57:22,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:57:22,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [718556370] [2020-07-17 13:57:22,061 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:57:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:57:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:57:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:57:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:57:22,356 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 13:57:23,291 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:57:23,478 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 13:57:23,813 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2020-07-17 13:57:24,215 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2020-07-17 13:57:24,469 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 13:57:24,736 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 13:57:25,030 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 13:57:25,600 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 83 [2020-07-17 13:57:25,931 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 13:57:26,281 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 13:57:26,670 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-07-17 13:57:27,369 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-07-17 13:57:28,071 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 90 [2020-07-17 13:57:28,829 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 91 [2020-07-17 13:57:29,618 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2020-07-17 13:57:30,097 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-17 13:57:30,925 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 93 [2020-07-17 13:57:31,419 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-17 13:57:31,944 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-07-17 13:57:32,900 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2020-07-17 13:57:33,773 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 95 [2020-07-17 13:57:34,690 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 96 [2020-07-17 13:57:35,600 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 97 [2020-07-17 13:57:36,170 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-07-17 13:57:37,180 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 99 [2020-07-17 13:57:38,241 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-07-17 13:57:39,350 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 13:57:40,421 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2020-07-17 13:57:41,115 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 13:57:41,804 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 13:57:43,002 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2020-07-17 13:57:43,748 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 13:57:44,998 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2020-07-17 13:57:46,246 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2020-07-17 13:57:47,532 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 13:57:48,332 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-07-17 13:57:49,176 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-17 13:57:50,550 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-07-17 13:57:52,337 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 108 DAG size of output: 105 [2020-07-17 13:57:53,646 WARN L193 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 13:57:54,981 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 111 DAG size of output: 107 [2020-07-17 13:57:55,835 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-17 13:57:56,710 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-07-17 13:57:58,165 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 110 DAG size of output: 110 [2020-07-17 13:57:59,672 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2020-07-17 13:58:01,108 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 112 DAG size of output: 108 [2020-07-17 13:58:03,048 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 109 DAG size of output: 108 [2020-07-17 13:58:04,482 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 109 DAG size of output: 109 [2020-07-17 13:58:05,958 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 114 DAG size of output: 109 [2020-07-17 13:58:07,446 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 110 DAG size of output: 110 [2020-07-17 13:58:09,017 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 111 DAG size of output: 111 [2020-07-17 13:58:10,487 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 112 DAG size of output: 108 [2020-07-17 13:58:12,429 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2020-07-17 13:58:13,789 WARN L193 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 104 [2020-07-17 13:58:15,103 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 13:58:16,406 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 13:58:17,903 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2020-07-17 13:58:19,281 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 13:58:21,187 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-07-17 13:58:22,571 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 13:58:23,966 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 13:58:25,340 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-07-17 13:58:26,706 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-07-17 13:58:28,103 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 105 [2020-07-17 13:58:29,802 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 110 DAG size of output: 100 [2020-07-17 13:58:31,090 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 13:58:32,391 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2020-07-17 13:58:34,038 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 102 DAG size of output: 99 [2020-07-17 13:58:35,212 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 96 [2020-07-17 13:58:36,241 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 89 [2020-07-17 13:58:37,042 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 71 [2020-07-17 13:58:37,790 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2020-07-17 13:58:38,576 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2020-07-17 13:58:39,496 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2020-07-17 13:58:40,131 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 13:58:40,947 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2020-07-17 13:58:41,621 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 13:58:42,317 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 13:58:43,224 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:58:44,130 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 13:58:45,068 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2020-07-17 13:58:46,058 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2020-07-17 13:58:47,058 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2020-07-17 13:58:47,839 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 13:58:48,662 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 13:58:49,514 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 13:58:50,377 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 13:58:51,535 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-07-17 13:58:52,420 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 13:58:53,640 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 13:58:54,871 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 13:58:56,153 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2020-07-17 13:58:57,475 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 13:58:58,802 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-07-17 13:59:00,188 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 13:59:01,542 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 13:59:02,593 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-07-17 13:59:04,022 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2020-07-17 13:59:05,110 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-07-17 13:59:06,662 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 91 [2020-07-17 13:59:08,158 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 89 [2020-07-17 13:59:09,699 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 90 [2020-07-17 13:59:11,273 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 91 [2020-07-17 13:59:12,842 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-07-17 13:59:14,392 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-07-17 13:59:15,918 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2020-07-17 13:59:17,443 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2020-07-17 13:59:18,459 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 44 [2020-07-17 13:59:18,461 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 13:59:18,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [718556370] [2020-07-17 13:59:18,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 13:59:18,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [130] imperfect sequences [] total 130 [2020-07-17 13:59:18,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739268746] [2020-07-17 13:59:18,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 131 states [2020-07-17 13:59:18,465 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 13:59:18,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2020-07-17 13:59:18,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6953, Invalid=10077, Unknown=0, NotChecked=0, Total=17030 [2020-07-17 13:59:18,477 INFO L87 Difference]: Start difference. First operand 775 states and 942 transitions. Second operand 131 states. [2020-07-17 13:59:25,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 13:59:25,285 INFO L93 Difference]: Finished difference Result 2457 states and 3209 transitions. [2020-07-17 13:59:25,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-07-17 13:59:25,287 INFO L78 Accepts]: Start accepts. Automaton has 131 states. Word has length 178 [2020-07-17 13:59:25,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 13:59:25,301 INFO L225 Difference]: With dead ends: 2457 [2020-07-17 13:59:25,302 INFO L226 Difference]: Without dead ends: 1704 [2020-07-17 13:59:25,312 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3382 ImplicationChecksByTransitivity, 116.7s TimeCoverageRelationStatistics Valid=7130, Invalid=14922, Unknown=0, NotChecked=0, Total=22052 [2020-07-17 13:59:25,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1704 states. [2020-07-17 13:59:25,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1704 to 1495. [2020-07-17 13:59:25,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1495 states. [2020-07-17 13:59:25,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1495 states and 1842 transitions. [2020-07-17 13:59:25,524 INFO L78 Accepts]: Start accepts. Automaton has 1495 states and 1842 transitions. Word has length 178 [2020-07-17 13:59:25,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 13:59:25,525 INFO L479 AbstractCegarLoop]: Abstraction has 1495 states and 1842 transitions. [2020-07-17 13:59:25,525 INFO L480 AbstractCegarLoop]: Interpolant automaton has 131 states. [2020-07-17 13:59:25,525 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 1842 transitions. [2020-07-17 13:59:25,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-07-17 13:59:25,533 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 13:59:25,534 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 13:59:25,534 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 13:59:25,534 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 13:59:25,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 13:59:25,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1467841852, now seen corresponding path program 1 times [2020-07-17 13:59:25,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 13:59:25,536 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2134846775] [2020-07-17 13:59:25,536 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 13:59:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:59:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:59:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:59:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 13:59:25,913 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 13:59:26,859 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-07-17 13:59:27,047 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-07-17 13:59:27,233 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 13:59:27,446 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 13:59:27,865 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-07-17 13:59:28,356 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 13:59:28,657 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 13:59:28,983 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 13:59:29,338 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 13:59:30,010 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2020-07-17 13:59:30,407 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 13:59:30,829 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-07-17 13:59:31,280 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-07-17 13:59:32,114 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-07-17 13:59:32,982 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 91 [2020-07-17 13:59:33,894 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 92 [2020-07-17 13:59:34,854 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2020-07-17 13:59:35,431 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-17 13:59:36,420 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2020-07-17 13:59:37,027 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 13:59:37,682 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-07-17 13:59:38,845 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-07-17 13:59:39,948 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2020-07-17 13:59:41,075 WARN L193 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 97 [2020-07-17 13:59:42,253 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 13:59:42,953 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 13:59:44,167 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 100 [2020-07-17 13:59:45,481 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 13:59:46,779 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 13:59:48,095 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 13:59:48,909 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 13:59:49,755 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 13:59:51,253 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 105 DAG size of output: 105 [2020-07-17 13:59:52,166 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 13:59:53,716 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 13:59:55,278 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 13:59:56,865 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 13:59:57,833 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-07-17 13:59:59,135 WARN L193 SmtUtils]: Spent 910.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-07-17 14:00:00,794 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 114 DAG size of output: 108 [2020-07-17 14:00:03,082 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 109 DAG size of output: 106 [2020-07-17 14:00:04,927 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 14:00:06,609 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 112 DAG size of output: 108 [2020-07-17 14:00:07,651 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-07-17 14:00:08,706 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-07-17 14:00:10,502 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 111 DAG size of output: 111 [2020-07-17 14:00:12,352 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2020-07-17 14:00:14,094 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 113 DAG size of output: 109 [2020-07-17 14:00:16,481 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 110 DAG size of output: 109 [2020-07-17 14:00:18,247 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 110 DAG size of output: 110 [2020-07-17 14:00:20,049 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-07-17 14:00:21,898 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 111 DAG size of output: 111 [2020-07-17 14:00:23,767 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 112 DAG size of output: 112 [2020-07-17 14:00:25,577 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 113 DAG size of output: 109 [2020-07-17 14:00:27,983 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2020-07-17 14:00:29,644 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 112 DAG size of output: 105 [2020-07-17 14:00:31,286 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-07-17 14:00:32,942 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2020-07-17 14:00:34,647 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2020-07-17 14:00:36,394 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-07-17 14:00:38,681 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2020-07-17 14:00:40,425 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 14:00:42,233 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 108 DAG size of output: 107 [2020-07-17 14:00:43,968 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2020-07-17 14:00:45,720 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-07-17 14:00:47,480 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 14:00:49,747 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 111 DAG size of output: 101 [2020-07-17 14:00:51,392 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 14:00:53,042 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 14:00:55,152 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2020-07-17 14:00:56,659 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2020-07-17 14:00:58,013 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2020-07-17 14:00:59,082 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 72 [2020-07-17 14:01:00,080 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2020-07-17 14:01:01,093 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2020-07-17 14:01:02,324 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2020-07-17 14:01:03,161 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 14:01:04,199 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-07-17 14:01:05,104 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 14:01:06,030 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:01:07,201 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2020-07-17 14:01:08,387 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2020-07-17 14:01:09,611 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 78 [2020-07-17 14:01:10,884 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2020-07-17 14:01:12,152 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-07-17 14:01:13,178 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 14:01:14,235 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 14:01:15,321 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 14:01:16,488 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 14:01:18,007 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 14:01:19,210 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 14:01:20,815 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2020-07-17 14:01:22,442 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 14:01:24,108 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 14:01:25,858 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 14:01:27,605 WARN L193 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 14:01:29,397 WARN L193 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 14:01:31,223 WARN L193 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-07-17 14:01:32,623 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-07-17 14:01:34,549 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 90 DAG size of output: 90 [2020-07-17 14:01:36,006 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 14:01:38,040 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 92 DAG size of output: 92 [2020-07-17 14:01:40,072 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2020-07-17 14:01:42,109 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 91 DAG size of output: 91 [2020-07-17 14:01:44,244 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 92 DAG size of output: 92 [2020-07-17 14:01:46,299 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-07-17 14:01:48,425 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2020-07-17 14:01:50,557 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-07-17 14:01:52,610 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-07-17 14:01:53,644 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 44 [2020-07-17 14:01:53,646 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:01:53,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2134846775] [2020-07-17 14:01:53,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:01:53,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [129] imperfect sequences [] total 129 [2020-07-17 14:01:53,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371593820] [2020-07-17 14:01:53,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 130 states [2020-07-17 14:01:53,649 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:01:53,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2020-07-17 14:01:53,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6947, Invalid=9823, Unknown=0, NotChecked=0, Total=16770 [2020-07-17 14:01:53,656 INFO L87 Difference]: Start difference. First operand 1495 states and 1842 transitions. Second operand 130 states. [2020-07-17 14:01:54,762 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:01:55,144 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2020-07-17 14:01:55,607 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2020-07-17 14:01:56,143 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2020-07-17 14:01:56,674 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2020-07-17 14:01:57,297 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2020-07-17 14:01:57,953 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2020-07-17 14:01:58,624 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 116 [2020-07-17 14:01:59,811 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 122 DAG size of output: 117 [2020-07-17 14:02:00,982 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 123 DAG size of output: 118 [2020-07-17 14:02:02,338 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 125 DAG size of output: 119 [2020-07-17 14:02:03,466 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 122 [2020-07-17 14:02:04,587 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 123 [2020-07-17 14:02:05,691 WARN L193 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 124 [2020-07-17 14:02:06,932 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 135 DAG size of output: 127 [2020-07-17 14:02:08,117 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 136 DAG size of output: 127 [2020-07-17 14:02:09,386 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 137 DAG size of output: 128 [2020-07-17 14:02:10,658 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 137 DAG size of output: 132 [2020-07-17 14:02:11,172 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 77 [2020-07-17 14:02:12,535 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 138 DAG size of output: 133 [2020-07-17 14:02:14,124 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 141 DAG size of output: 136 [2020-07-17 14:02:15,651 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 142 DAG size of output: 137 [2020-07-17 14:02:17,076 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 139 DAG size of output: 136 [2020-07-17 14:02:18,594 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 140 DAG size of output: 137 [2020-07-17 14:02:20,172 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 141 DAG size of output: 138 [2020-07-17 14:02:20,864 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 90 [2020-07-17 14:02:22,486 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2020-07-17 14:02:23,222 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 47 [2020-07-17 14:02:25,405 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 145 DAG size of output: 140 [2020-07-17 14:02:27,324 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 145 DAG size of output: 140 [2020-07-17 14:02:27,612 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 32 [2020-07-17 14:02:27,774 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2020-07-17 14:02:29,615 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 146 DAG size of output: 141 [2020-07-17 14:02:29,884 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 34 [2020-07-17 14:02:31,751 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 147 DAG size of output: 142 [2020-07-17 14:02:33,779 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 149 DAG size of output: 143 [2020-07-17 14:02:36,041 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 149 DAG size of output: 143 [2020-07-17 14:02:38,630 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 150 DAG size of output: 144 [2020-07-17 14:02:40,929 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 152 DAG size of output: 145 [2020-07-17 14:02:43,280 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 151 DAG size of output: 145 [2020-07-17 14:02:45,366 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 149 DAG size of output: 143 [2020-07-17 14:02:47,483 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 150 DAG size of output: 144 [2020-07-17 14:02:49,769 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 151 DAG size of output: 146 [2020-07-17 14:02:50,535 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2020-07-17 14:02:52,793 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 152 DAG size of output: 147 [2020-07-17 14:02:55,704 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 153 DAG size of output: 148 [2020-07-17 14:02:57,969 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 154 DAG size of output: 149 [2020-07-17 14:03:00,373 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 155 DAG size of output: 150 [2020-07-17 14:03:02,962 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 152 DAG size of output: 146 [2020-07-17 14:03:03,260 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-07-17 14:03:05,646 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 153 DAG size of output: 147 [2020-07-17 14:03:08,203 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 154 DAG size of output: 148 [2020-07-17 14:03:10,965 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 155 DAG size of output: 148 [2020-07-17 14:03:12,040 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 99 [2020-07-17 14:03:14,375 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 152 DAG size of output: 145 [2020-07-17 14:03:15,532 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 99 [2020-07-17 14:03:17,928 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 151 DAG size of output: 145 [2020-07-17 14:03:21,038 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 148 DAG size of output: 140 [2020-07-17 14:03:21,672 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 46 [2020-07-17 14:03:24,542 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 147 DAG size of output: 139 [2020-07-17 14:03:24,829 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 34 [2020-07-17 14:03:27,742 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 147 DAG size of output: 139 [2020-07-17 14:03:28,889 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 99 [2020-07-17 14:03:31,961 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 150 DAG size of output: 141 [2020-07-17 14:03:32,944 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 86 [2020-07-17 14:03:34,225 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 114 [2020-07-17 14:03:37,392 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 149 DAG size of output: 141 [2020-07-17 14:03:41,119 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 150 DAG size of output: 142 [2020-07-17 14:03:42,740 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2020-07-17 14:03:42,976 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2020-07-17 14:03:46,189 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 148 DAG size of output: 142 [2020-07-17 14:03:46,579 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2020-07-17 14:03:50,111 WARN L193 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 149 DAG size of output: 143 [2020-07-17 14:03:52,853 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 144 DAG size of output: 135 [2020-07-17 14:03:55,832 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 145 DAG size of output: 136 [2020-07-17 14:03:58,845 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 145 DAG size of output: 136 [2020-07-17 14:04:01,656 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 143 DAG size of output: 134 [2020-07-17 14:04:04,108 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 133 DAG size of output: 129 [2020-07-17 14:04:04,541 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 75 [2020-07-17 14:04:06,182 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-07-17 14:04:07,689 WARN L193 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 111 [2020-07-17 14:04:09,617 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 117 [2020-07-17 14:04:11,073 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2020-07-17 14:04:12,488 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2020-07-17 14:04:13,960 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 117 [2020-07-17 14:04:15,969 WARN L193 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 118 [2020-07-17 14:04:18,144 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 118 [2020-07-17 14:04:18,650 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2020-07-17 14:04:20,147 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 127 DAG size of output: 119 [2020-07-17 14:04:21,758 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 128 DAG size of output: 120 [2020-07-17 14:04:23,588 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 128 DAG size of output: 121 [2020-07-17 14:04:25,472 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 130 DAG size of output: 122 [2020-07-17 14:04:26,685 WARN L193 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2020-07-17 14:04:28,582 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 130 DAG size of output: 123 [2020-07-17 14:04:30,434 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 131 DAG size of output: 122 [2020-07-17 14:04:32,576 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 134 DAG size of output: 123 [2020-07-17 14:04:34,469 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 93 [2020-07-17 14:04:36,520 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 134 DAG size of output: 124 [2020-07-17 14:04:38,823 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 134 DAG size of output: 125 [2020-07-17 14:04:40,996 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 134 DAG size of output: 125 [2020-07-17 14:04:42,992 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 133 DAG size of output: 125 [2020-07-17 14:04:44,752 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 93 [2020-07-17 14:04:46,144 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 96 [2020-07-17 14:04:47,553 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 59 [2020-07-17 14:04:48,214 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 55 [2020-07-17 14:04:49,562 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 97 [2020-07-17 14:04:50,839 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 100 [2020-07-17 14:04:51,939 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 88 [2020-07-17 14:04:52,462 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2020-07-17 14:04:53,094 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 56 [2020-07-17 14:04:53,760 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 44 [2020-07-17 14:04:54,856 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 55 [2020-07-17 14:04:57,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:04:57,427 INFO L93 Difference]: Finished difference Result 5218 states and 6568 transitions. [2020-07-17 14:04:57,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2020-07-17 14:04:57,433 INFO L78 Accepts]: Start accepts. Automaton has 130 states. Word has length 183 [2020-07-17 14:04:57,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:04:57,461 INFO L225 Difference]: With dead ends: 5218 [2020-07-17 14:04:57,462 INFO L226 Difference]: Without dead ends: 2214 [2020-07-17 14:04:57,487 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 277 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20244 ImplicationChecksByTransitivity, 308.2s TimeCoverageRelationStatistics Valid=18677, Invalid=58885, Unknown=0, NotChecked=0, Total=77562 [2020-07-17 14:04:57,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2214 states. [2020-07-17 14:04:57,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2214 to 2180. [2020-07-17 14:04:57,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2180 states. [2020-07-17 14:04:57,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 2180 states and 2667 transitions. [2020-07-17 14:04:57,844 INFO L78 Accepts]: Start accepts. Automaton has 2180 states and 2667 transitions. Word has length 183 [2020-07-17 14:04:57,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:04:57,844 INFO L479 AbstractCegarLoop]: Abstraction has 2180 states and 2667 transitions. [2020-07-17 14:04:57,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 130 states. [2020-07-17 14:04:57,845 INFO L276 IsEmpty]: Start isEmpty. Operand 2180 states and 2667 transitions. [2020-07-17 14:04:57,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-07-17 14:04:57,869 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:04:57,870 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 14:04:57,870 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 14:04:57,870 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:04:57,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:04:57,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1004492403, now seen corresponding path program 1 times [2020-07-17 14:04:57,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:04:57,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [840875399] [2020-07-17 14:04:57,872 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:04:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:04:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:04:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:04:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:04:58,252 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 14:04:58,745 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 22 [2020-07-17 14:04:59,171 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-07-17 14:04:59,461 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-07-17 14:04:59,800 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-07-17 14:05:00,205 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-07-17 14:05:00,596 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 14:05:00,913 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 14:05:01,592 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-07-17 14:05:02,321 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-07-17 14:05:02,782 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 14:05:03,305 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:05:03,840 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:05:04,894 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 14:05:05,497 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 14:05:06,152 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 14:05:06,844 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 14:05:08,164 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-07-17 14:05:09,525 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 14:05:10,947 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 14:05:12,441 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-07-17 14:05:13,341 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-07-17 14:05:14,894 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-07-17 14:05:15,819 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 14:05:16,809 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-17 14:05:18,590 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-07-17 14:05:20,233 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2020-07-17 14:05:21,957 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2020-07-17 14:05:23,703 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2020-07-17 14:05:24,782 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 14:05:26,656 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 96 DAG size of output: 96 [2020-07-17 14:05:28,694 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2020-07-17 14:05:30,747 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 14:05:32,806 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 14:05:34,101 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 14:05:35,417 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 14:05:37,755 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 14:05:39,136 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 14:05:41,429 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 14:05:43,715 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 14:05:46,031 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 14:05:47,416 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 14:05:48,879 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 14:05:51,377 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 110 DAG size of output: 104 [2020-07-17 14:05:54,730 WARN L193 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2020-07-17 14:05:57,102 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 14:05:59,561 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-07-17 14:06:01,092 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 14:06:02,681 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 14:06:05,323 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 14:06:08,121 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2020-07-17 14:06:10,743 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 14:06:14,346 WARN L193 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2020-07-17 14:06:17,025 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 14:06:19,744 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2020-07-17 14:06:22,570 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 14:06:25,457 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 14:06:28,209 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 14:06:32,011 WARN L193 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-07-17 14:06:34,555 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2020-07-17 14:06:37,012 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-07-17 14:06:39,510 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-07-17 14:06:42,156 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 14:06:44,802 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:06:48,328 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 14:06:51,035 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 14:06:53,738 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:06:56,359 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 14:06:58,970 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-07-17 14:07:01,661 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 14:07:05,018 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2020-07-17 14:07:07,540 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 14:07:10,091 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 14:07:13,443 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2020-07-17 14:07:15,798 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2020-07-17 14:07:17,885 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-07-17 14:07:19,516 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 68 [2020-07-17 14:07:21,102 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2020-07-17 14:07:22,733 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-07-17 14:07:24,720 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2020-07-17 14:07:25,765 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 14:07:27,314 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-07-17 14:07:28,592 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 14:07:29,915 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 14:07:31,686 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 14:07:33,476 WARN L193 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 14:07:35,330 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2020-07-17 14:07:37,260 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-07-17 14:07:39,216 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-07-17 14:07:40,771 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 14:07:42,358 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:07:44,007 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:07:45,692 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 14:07:48,033 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-07-17 14:07:49,668 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 14:07:52,125 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 14:07:54,546 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 14:07:57,097 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 14:07:59,818 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 14:08:02,523 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 14:08:05,268 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 84 DAG size of output: 84 [2020-07-17 14:08:08,086 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-07-17 14:08:10,190 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 14:08:13,179 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 14:08:15,436 WARN L193 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 14:08:18,692 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 14:08:21,850 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-07-17 14:08:25,024 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 14:08:28,278 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 14:08:30,627 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-07-17 14:08:33,015 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2020-07-17 14:08:35,314 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-07-17 14:08:37,696 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2020-07-17 14:08:38,710 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 40 [2020-07-17 14:08:38,711 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:08:38,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [840875399] [2020-07-17 14:08:38,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:08:38,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [127] imperfect sequences [] total 127 [2020-07-17 14:08:38,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39877210] [2020-07-17 14:08:38,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 128 states [2020-07-17 14:08:38,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:08:38,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2020-07-17 14:08:38,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6942, Invalid=9314, Unknown=0, NotChecked=0, Total=16256 [2020-07-17 14:08:38,716 INFO L87 Difference]: Start difference. First operand 2180 states and 2667 transitions. Second operand 128 states. [2020-07-17 14:08:44,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:08:44,339 INFO L93 Difference]: Finished difference Result 5627 states and 7158 transitions. [2020-07-17 14:08:44,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 14:08:44,344 INFO L78 Accepts]: Start accepts. Automaton has 128 states. Word has length 190 [2020-07-17 14:08:44,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:08:44,373 INFO L225 Difference]: With dead ends: 5627 [2020-07-17 14:08:44,373 INFO L226 Difference]: Without dead ends: 3479 [2020-07-17 14:08:44,382 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1435 ImplicationChecksByTransitivity, 220.7s TimeCoverageRelationStatistics Valid=6969, Invalid=10587, Unknown=0, NotChecked=0, Total=17556 [2020-07-17 14:08:44,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3479 states. [2020-07-17 14:08:44,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3479 to 3257. [2020-07-17 14:08:44,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3257 states. [2020-07-17 14:08:44,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3257 states to 3257 states and 3950 transitions. [2020-07-17 14:08:44,889 INFO L78 Accepts]: Start accepts. Automaton has 3257 states and 3950 transitions. Word has length 190 [2020-07-17 14:08:44,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:08:44,892 INFO L479 AbstractCegarLoop]: Abstraction has 3257 states and 3950 transitions. [2020-07-17 14:08:44,892 INFO L480 AbstractCegarLoop]: Interpolant automaton has 128 states. [2020-07-17 14:08:44,892 INFO L276 IsEmpty]: Start isEmpty. Operand 3257 states and 3950 transitions. [2020-07-17 14:08:44,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-07-17 14:08:44,905 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:08:44,905 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:08:44,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 14:08:44,905 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:08:44,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:08:44,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1546227027, now seen corresponding path program 1 times [2020-07-17 14:08:44,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:08:44,906 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1270263837] [2020-07-17 14:08:44,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:08:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:08:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:08:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:08:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:08:45,181 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 14:08:46,070 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-07-17 14:08:46,244 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-07-17 14:08:46,443 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-17 14:08:46,685 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 14:08:46,949 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 14:08:47,485 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-07-17 14:08:48,089 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2020-07-17 14:08:48,468 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:08:48,872 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:08:49,300 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 14:08:50,211 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-07-17 14:08:50,710 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 14:08:51,246 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 14:08:51,811 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-07-17 14:08:52,867 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-07-17 14:08:53,955 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 14:08:55,116 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 89 DAG size of output: 89 [2020-07-17 14:08:56,332 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-07-17 14:08:57,034 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 14:08:58,297 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2020-07-17 14:08:59,028 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-07-17 14:08:59,824 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 14:09:01,300 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2020-07-17 14:09:02,628 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 100 DAG size of output: 93 [2020-07-17 14:09:04,006 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2020-07-17 14:09:05,470 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 95 DAG size of output: 95 [2020-07-17 14:09:06,341 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-17 14:09:07,848 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 97 DAG size of output: 97 [2020-07-17 14:09:09,479 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2020-07-17 14:09:11,105 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 99 DAG size of output: 99 [2020-07-17 14:09:12,769 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-07-17 14:09:13,783 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 14:09:14,824 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-07-17 14:09:16,650 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 14:09:17,783 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 14:09:19,725 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:09:21,683 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:09:23,699 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2020-07-17 14:09:24,916 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 14:09:26,184 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 14:09:28,301 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 111 DAG size of output: 105 [2020-07-17 14:09:31,135 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2020-07-17 14:09:33,209 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2020-07-17 14:09:35,349 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 14:09:36,689 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 14:09:38,104 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-07-17 14:09:40,466 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 14:09:42,929 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2020-07-17 14:09:45,187 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 110 DAG size of output: 106 [2020-07-17 14:09:48,302 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2020-07-17 14:09:50,606 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 14:09:52,956 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2020-07-17 14:09:55,390 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 14:09:57,917 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 109 DAG size of output: 109 [2020-07-17 14:10:00,312 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 110 DAG size of output: 106 [2020-07-17 14:10:03,594 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2020-07-17 14:10:05,833 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 109 DAG size of output: 102 [2020-07-17 14:10:08,043 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-07-17 14:10:10,274 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2020-07-17 14:10:12,605 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-07-17 14:10:14,970 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2020-07-17 14:10:18,041 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 14:10:20,442 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2020-07-17 14:10:22,869 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2020-07-17 14:10:25,263 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 14:10:27,631 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 14:10:30,060 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 14:10:33,049 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2020-07-17 14:10:35,363 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 99 DAG size of output: 99 [2020-07-17 14:10:37,596 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 100 DAG size of output: 99 [2020-07-17 14:10:40,505 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 100 DAG size of output: 97 [2020-07-17 14:10:42,533 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 98 DAG size of output: 94