/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_label52.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 14:17:07,369 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 14:17:07,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 14:17:07,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 14:17:07,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 14:17:07,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 14:17:07,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 14:17:07,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 14:17:07,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 14:17:07,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 14:17:07,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 14:17:07,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 14:17:07,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 14:17:07,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 14:17:07,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 14:17:07,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 14:17:07,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 14:17:07,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 14:17:07,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 14:17:07,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 14:17:07,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 14:17:07,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 14:17:07,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 14:17:07,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 14:17:07,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 14:17:07,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 14:17:07,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 14:17:07,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 14:17:07,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 14:17:07,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 14:17:07,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 14:17:07,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 14:17:07,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 14:17:07,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 14:17:07,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 14:17:07,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 14:17:07,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 14:17:07,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 14:17:07,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 14:17:07,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 14:17:07,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 14:17:07,420 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 14:17:07,437 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 14:17:07,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 14:17:07,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 14:17:07,439 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 14:17:07,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 14:17:07,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 14:17:07,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 14:17:07,440 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 14:17:07,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 14:17:07,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 14:17:07,441 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 14:17:07,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 14:17:07,441 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 14:17:07,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 14:17:07,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 14:17:07,443 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 14:17:07,443 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 14:17:07,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 14:17:07,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 14:17:07,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 14:17:07,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 14:17:07,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 14:17:07,445 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 14:17:07,783 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 14:17:07,805 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 14:17:07,809 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 14:17:07,810 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 14:17:07,811 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 14:17:07,812 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label52.c [2020-07-17 14:17:07,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bdfbe2d0/0024a249609d4458be4ded463d099b76/FLAGff0d07c14 [2020-07-17 14:17:08,443 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 14:17:08,444 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label52.c [2020-07-17 14:17:08,462 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bdfbe2d0/0024a249609d4458be4ded463d099b76/FLAGff0d07c14 [2020-07-17 14:17:08,727 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bdfbe2d0/0024a249609d4458be4ded463d099b76 [2020-07-17 14:17:08,738 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 14:17:08,741 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 14:17:08,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 14:17:08,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 14:17:08,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 14:17:08,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 02:17:08" (1/1) ... [2020-07-17 14:17:08,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76d3bf6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:17:08, skipping insertion in model container [2020-07-17 14:17:08,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 02:17:08" (1/1) ... [2020-07-17 14:17:08,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 14:17:08,814 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 14:17:09,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 14:17:09,293 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 14:17:09,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 14:17:09,455 INFO L208 MainTranslator]: Completed translation [2020-07-17 14:17:09,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:17:09 WrapperNode [2020-07-17 14:17:09,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 14:17:09,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 14:17:09,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 14:17:09,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 14:17:09,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:17:09" (1/1) ... [2020-07-17 14:17:09,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:17:09" (1/1) ... [2020-07-17 14:17:09,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:17:09" (1/1) ... [2020-07-17 14:17:09,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:17:09" (1/1) ... [2020-07-17 14:17:09,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:17:09" (1/1) ... [2020-07-17 14:17:09,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:17:09" (1/1) ... [2020-07-17 14:17:09,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:17:09" (1/1) ... [2020-07-17 14:17:09,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 14:17:09,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 14:17:09,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 14:17:09,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 14:17:09,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:17:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 14:17:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 14:17:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 14:17:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 14:17:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 14:17:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 14:17:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 14:17:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 14:17:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 14:17:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 14:17:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 14:17:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 14:17:11,392 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 14:17:11,393 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 14:17:11,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 02:17:11 BoogieIcfgContainer [2020-07-17 14:17:11,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 14:17:11,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 14:17:11,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 14:17:11,405 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 14:17:11,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 02:17:08" (1/3) ... [2020-07-17 14:17:11,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7300ce18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 02:17:11, skipping insertion in model container [2020-07-17 14:17:11,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:17:09" (2/3) ... [2020-07-17 14:17:11,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7300ce18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 02:17:11, skipping insertion in model container [2020-07-17 14:17:11,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 02:17:11" (3/3) ... [2020-07-17 14:17:11,409 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label52.c [2020-07-17 14:17:11,419 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 14:17:11,428 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 14:17:11,444 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 14:17:11,467 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 14:17:11,467 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 14:17:11,467 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 14:17:11,467 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 14:17:11,468 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 14:17:11,468 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 14:17:11,468 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 14:17:11,468 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 14:17:11,493 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states. [2020-07-17 14:17:11,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-07-17 14:17:11,516 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:17:11,518 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] [2020-07-17 14:17:11,518 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:17:11,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:17:11,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1349342961, now seen corresponding path program 1 times [2020-07-17 14:17:11,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:17:11,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1526453128] [2020-07-17 14:17:11,535 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:17:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:17:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:17:12,077 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 14:17:12,080 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:17:12,082 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1526453128] [2020-07-17 14:17:12,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:17:12,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 14:17:12,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853447979] [2020-07-17 14:17:12,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 14:17:12,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:17:12,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 14:17:12,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 14:17:12,116 INFO L87 Difference]: Start difference. First operand 527 states. Second operand 5 states. [2020-07-17 14:17:15,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:17:15,341 INFO L93 Difference]: Finished difference Result 1539 states and 2132 transitions. [2020-07-17 14:17:15,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 14:17:15,343 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2020-07-17 14:17:15,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:17:15,368 INFO L225 Difference]: With dead ends: 1539 [2020-07-17 14:17:15,368 INFO L226 Difference]: Without dead ends: 935 [2020-07-17 14:17:15,378 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 14:17:15,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2020-07-17 14:17:15,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 878. [2020-07-17 14:17:15,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 878 states. [2020-07-17 14:17:15,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1089 transitions. [2020-07-17 14:17:15,580 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1089 transitions. Word has length 130 [2020-07-17 14:17:15,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:17:15,583 INFO L479 AbstractCegarLoop]: Abstraction has 878 states and 1089 transitions. [2020-07-17 14:17:15,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 14:17:15,583 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1089 transitions. [2020-07-17 14:17:15,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-07-17 14:17:15,597 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:17:15,598 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:17:15,598 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 14:17:15,598 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:17:15,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:17:15,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1975471173, now seen corresponding path program 1 times [2020-07-17 14:17:15,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:17:15,600 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [452417990] [2020-07-17 14:17:15,601 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:17:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:17:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:17:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:17:16,049 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 14:17:16,050 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:17:16,051 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [452417990] [2020-07-17 14:17:16,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:17:16,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 14:17:16,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847846409] [2020-07-17 14:17:16,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 14:17:16,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:17:16,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 14:17:16,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 14:17:16,056 INFO L87 Difference]: Start difference. First operand 878 states and 1089 transitions. Second operand 5 states. [2020-07-17 14:17:17,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:17:17,952 INFO L93 Difference]: Finished difference Result 2199 states and 2857 transitions. [2020-07-17 14:17:17,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 14:17:17,953 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-07-17 14:17:17,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:17:17,969 INFO L225 Difference]: With dead ends: 2199 [2020-07-17 14:17:17,969 INFO L226 Difference]: Without dead ends: 1343 [2020-07-17 14:17:17,974 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-17 14:17:17,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2020-07-17 14:17:18,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1330. [2020-07-17 14:17:18,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1330 states. [2020-07-17 14:17:18,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1680 transitions. [2020-07-17 14:17:18,148 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1680 transitions. Word has length 148 [2020-07-17 14:17:18,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:17:18,150 INFO L479 AbstractCegarLoop]: Abstraction has 1330 states and 1680 transitions. [2020-07-17 14:17:18,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 14:17:18,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1680 transitions. [2020-07-17 14:17:18,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-07-17 14:17:18,156 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:17:18,157 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 14:17:18,157 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 14:17:18,157 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:17:18,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:17:18,159 INFO L82 PathProgramCache]: Analyzing trace with hash -240509204, now seen corresponding path program 1 times [2020-07-17 14:17:18,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:17:18,159 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1373261156] [2020-07-17 14:17:18,159 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:17:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:17:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:17:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:17:18,401 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 14:17:19,260 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-07-17 14:17:19,468 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 14:17:19,703 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 14:17:20,074 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-07-17 14:17:20,442 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-07-17 14:17:20,698 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 14:17:20,967 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:17:21,245 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:17:21,750 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2020-07-17 14:17:22,076 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 14:17:22,451 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 14:17:22,810 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 14:17:23,483 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-07-17 14:17:24,180 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 14:17:24,950 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 14:17:25,692 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-07-17 14:17:26,150 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-07-17 14:17:26,969 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-07-17 14:17:27,450 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 14:17:27,958 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-17 14:17:28,897 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-07-17 14:17:29,772 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2020-07-17 14:17:30,618 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2020-07-17 14:17:31,527 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2020-07-17 14:17:32,096 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 14:17:33,096 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 96 [2020-07-17 14:17:34,136 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2020-07-17 14:17:35,176 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 14:17:36,246 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 14:17:36,903 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 14:17:37,578 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 14:17:38,746 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 14:17:39,477 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 14:17:40,693 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 14:17:41,915 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 14:17:43,154 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 14:17:43,930 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 14:17:44,746 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 14:17:46,066 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 110 DAG size of output: 104 [2020-07-17 14:17:47,810 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2020-07-17 14:17:49,065 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 14:17:50,372 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-07-17 14:17:51,187 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 14:17:52,036 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 14:17:53,456 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 14:17:54,917 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2020-07-17 14:17:56,321 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 14:17:58,208 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2020-07-17 14:17:59,611 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 14:18:01,029 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2020-07-17 14:18:02,475 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 14:18:03,979 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 14:18:05,401 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 14:18:07,287 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-07-17 14:18:08,599 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2020-07-17 14:18:09,853 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-07-17 14:18:11,126 WARN L193 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-07-17 14:18:12,518 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 14:18:13,862 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:18:15,683 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 14:18:17,017 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 14:18:18,392 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:18:19,779 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 14:18:21,131 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-07-17 14:18:22,490 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 14:18:24,213 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2020-07-17 14:18:25,516 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 14:18:26,763 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 14:18:28,339 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2020-07-17 14:18:29,446 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2020-07-17 14:18:30,416 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-07-17 14:18:31,190 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 68 [2020-07-17 14:18:31,894 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2020-07-17 14:18:32,649 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-07-17 14:18:33,498 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2020-07-17 14:18:34,090 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 14:18:34,854 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-07-17 14:18:35,497 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 14:18:36,148 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 14:18:37,001 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 14:18:37,866 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 14:18:38,750 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2020-07-17 14:18:39,669 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-07-17 14:18:40,596 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-07-17 14:18:41,342 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 14:18:42,109 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:18:42,895 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:18:43,694 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 14:18:44,768 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-07-17 14:18:45,616 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 14:18:46,766 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 14:18:47,917 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 14:18:49,112 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 14:18:50,339 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 14:18:51,565 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 14:18:52,238 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 39 [2020-07-17 14:18:52,240 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:18:52,240 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1373261156] [2020-07-17 14:18:52,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:18:52,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [115] imperfect sequences [] total 115 [2020-07-17 14:18:52,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511623543] [2020-07-17 14:18:52,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 116 states [2020-07-17 14:18:52,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:18:52,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2020-07-17 14:18:52,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5502, Invalid=7838, Unknown=0, NotChecked=0, Total=13340 [2020-07-17 14:18:52,251 INFO L87 Difference]: Start difference. First operand 1330 states and 1680 transitions. Second operand 116 states. [2020-07-17 14:18:56,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:18:56,491 INFO L93 Difference]: Finished difference Result 4875 states and 6618 transitions. [2020-07-17 14:18:56,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-17 14:18:56,492 INFO L78 Accepts]: Start accepts. Automaton has 116 states. Word has length 164 [2020-07-17 14:18:56,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:18:56,527 INFO L225 Difference]: With dead ends: 4875 [2020-07-17 14:18:56,527 INFO L226 Difference]: Without dead ends: 3567 [2020-07-17 14:18:56,539 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1618 ImplicationChecksByTransitivity, 94.0s TimeCoverageRelationStatistics Valid=5545, Invalid=9461, Unknown=0, NotChecked=0, Total=15006 [2020-07-17 14:18:56,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3567 states. [2020-07-17 14:18:56,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3567 to 3238. [2020-07-17 14:18:56,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3238 states. [2020-07-17 14:18:56,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3238 states to 3238 states and 4258 transitions. [2020-07-17 14:18:56,918 INFO L78 Accepts]: Start accepts. Automaton has 3238 states and 4258 transitions. Word has length 164 [2020-07-17 14:18:56,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:18:56,918 INFO L479 AbstractCegarLoop]: Abstraction has 3238 states and 4258 transitions. [2020-07-17 14:18:56,919 INFO L480 AbstractCegarLoop]: Interpolant automaton has 116 states. [2020-07-17 14:18:56,919 INFO L276 IsEmpty]: Start isEmpty. Operand 3238 states and 4258 transitions. [2020-07-17 14:18:56,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-07-17 14:18:56,932 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:18:56,933 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 14:18:56,933 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 14:18:56,934 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:18:56,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:18:56,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1330770896, now seen corresponding path program 1 times [2020-07-17 14:18:56,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:18:56,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1582862052] [2020-07-17 14:18:56,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:18:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:18:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:18:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:18:57,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:18:57,856 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-07-17 14:18:58,019 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 14:18:58,204 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 14:18:58,606 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2020-07-17 14:18:59,028 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2020-07-17 14:18:59,290 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:18:59,579 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:18:59,892 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 14:19:00,483 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2020-07-17 14:19:00,844 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 14:19:01,223 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-07-17 14:19:01,644 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-07-17 14:19:02,414 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 87 [2020-07-17 14:19:03,190 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-07-17 14:19:03,996 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 88 [2020-07-17 14:19:04,884 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-07-17 14:19:05,399 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-07-17 14:19:06,297 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-07-17 14:19:06,843 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-07-17 14:19:07,418 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-17 14:19:08,490 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-07-17 14:19:09,441 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2020-07-17 14:19:10,408 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2020-07-17 14:19:11,434 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2020-07-17 14:19:12,055 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 14:19:13,147 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 96 [2020-07-17 14:19:14,293 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2020-07-17 14:19:15,484 WARN L193 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 14:19:16,671 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 14:19:17,407 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-07-17 14:19:18,183 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 14:19:19,484 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 14:19:20,286 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 14:19:21,674 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 14:19:23,058 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2020-07-17 14:19:24,477 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 14:19:25,367 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 14:19:26,273 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 14:19:27,759 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 110 DAG size of output: 104 [2020-07-17 14:19:29,734 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2020-07-17 14:19:31,171 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 14:19:32,695 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 108 DAG size of output: 104 [2020-07-17 14:19:33,625 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-07-17 14:19:34,595 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-07-17 14:19:36,264 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 14:19:37,934 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2020-07-17 14:19:39,506 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 14:19:41,667 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2020-07-17 14:19:43,265 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 14:19:44,902 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 111 DAG size of output: 106 [2020-07-17 14:19:46,562 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2020-07-17 14:19:48,257 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 108 DAG size of output: 108 [2020-07-17 14:19:49,899 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2020-07-17 14:19:52,116 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 106 DAG size of output: 104 [2020-07-17 14:19:53,634 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 108 DAG size of output: 101 [2020-07-17 14:19:55,090 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-07-17 14:19:56,565 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-07-17 14:19:58,091 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2020-07-17 14:19:59,621 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:20:01,664 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 14:20:03,219 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2020-07-17 14:20:04,792 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:20:06,320 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 14:20:07,910 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-07-17 14:20:09,471 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2020-07-17 14:20:11,360 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 107 DAG size of output: 97 [2020-07-17 14:20:12,808 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-07-17 14:20:14,235 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 14:20:16,081 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2020-07-17 14:20:17,366 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2020-07-17 14:20:18,490 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-07-17 14:20:19,388 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 68 [2020-07-17 14:20:20,198 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2020-07-17 14:20:21,063 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2020-07-17 14:20:22,043 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2020-07-17 14:20:22,722 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 14:20:23,610 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2020-07-17 14:20:24,345 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-07-17 14:20:25,110 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 14:20:26,086 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 14:20:27,069 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 14:20:28,081 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 74 [2020-07-17 14:20:29,145 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 75 [2020-07-17 14:20:30,216 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 75 [2020-07-17 14:20:31,073 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 14:20:31,979 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:20:32,858 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:20:33,779 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-07-17 14:20:35,020 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-07-17 14:20:35,973 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-07-17 14:20:37,305 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 14:20:38,659 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 14:20:40,020 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2020-07-17 14:20:41,438 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2020-07-17 14:20:42,892 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2020-07-17 14:20:43,627 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 40 [2020-07-17 14:20:43,629 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:20:43,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1582862052] [2020-07-17 14:20:43,629 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:20:43,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [115] imperfect sequences [] total 115 [2020-07-17 14:20:43,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648206124] [2020-07-17 14:20:43,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 116 states [2020-07-17 14:20:43,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:20:43,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2020-07-17 14:20:43,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5502, Invalid=7838, Unknown=0, NotChecked=0, Total=13340 [2020-07-17 14:20:43,635 INFO L87 Difference]: Start difference. First operand 3238 states and 4258 transitions. Second operand 116 states. [2020-07-17 14:20:48,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:20:48,128 INFO L93 Difference]: Finished difference Result 9599 states and 13036 transitions. [2020-07-17 14:20:48,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 14:20:48,137 INFO L78 Accepts]: Start accepts. Automaton has 116 states. Word has length 168 [2020-07-17 14:20:48,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:20:48,184 INFO L225 Difference]: With dead ends: 9599 [2020-07-17 14:20:48,185 INFO L226 Difference]: Without dead ends: 6383 [2020-07-17 14:20:48,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1729 ImplicationChecksByTransitivity, 106.7s TimeCoverageRelationStatistics Valid=5551, Invalid=9701, Unknown=0, NotChecked=0, Total=15252 [2020-07-17 14:20:48,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6383 states. [2020-07-17 14:20:49,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6383 to 6006. [2020-07-17 14:20:49,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6006 states. [2020-07-17 14:20:49,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6006 states to 6006 states and 7511 transitions. [2020-07-17 14:20:49,146 INFO L78 Accepts]: Start accepts. Automaton has 6006 states and 7511 transitions. Word has length 168 [2020-07-17 14:20:49,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:20:49,146 INFO L479 AbstractCegarLoop]: Abstraction has 6006 states and 7511 transitions. [2020-07-17 14:20:49,146 INFO L480 AbstractCegarLoop]: Interpolant automaton has 116 states. [2020-07-17 14:20:49,146 INFO L276 IsEmpty]: Start isEmpty. Operand 6006 states and 7511 transitions. [2020-07-17 14:20:49,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-07-17 14:20:49,165 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:20:49,166 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 14:20:49,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 14:20:49,166 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:20:49,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:20:49,167 INFO L82 PathProgramCache]: Analyzing trace with hash 752239566, now seen corresponding path program 1 times [2020-07-17 14:20:49,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:20:49,168 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1227181087] [2020-07-17 14:20:49,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:20:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:20:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:20:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:20:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:20:50,043 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 14:20:50,045 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:20:50,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1227181087] [2020-07-17 14:20:50,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:20:50,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 14:20:50,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113903461] [2020-07-17 14:20:50,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 14:20:50,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:20:50,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 14:20:50,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-07-17 14:20:50,062 INFO L87 Difference]: Start difference. First operand 6006 states and 7511 transitions. Second operand 8 states. [2020-07-17 14:20:58,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:20:58,635 INFO L93 Difference]: Finished difference Result 16153 states and 20482 transitions. [2020-07-17 14:20:58,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-17 14:20:58,636 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 186 [2020-07-17 14:20:58,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:20:58,691 INFO L225 Difference]: With dead ends: 16153 [2020-07-17 14:20:58,691 INFO L226 Difference]: Without dead ends: 7939 [2020-07-17 14:20:58,717 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=139, Invalid=413, Unknown=0, NotChecked=0, Total=552 [2020-07-17 14:20:58,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7939 states. [2020-07-17 14:20:59,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7939 to 6981. [2020-07-17 14:20:59,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6981 states. [2020-07-17 14:20:59,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6981 states to 6981 states and 8508 transitions. [2020-07-17 14:20:59,490 INFO L78 Accepts]: Start accepts. Automaton has 6981 states and 8508 transitions. Word has length 186 [2020-07-17 14:20:59,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:20:59,491 INFO L479 AbstractCegarLoop]: Abstraction has 6981 states and 8508 transitions. [2020-07-17 14:20:59,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 14:20:59,491 INFO L276 IsEmpty]: Start isEmpty. Operand 6981 states and 8508 transitions. [2020-07-17 14:20:59,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-07-17 14:20:59,515 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:20:59,515 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:20:59,515 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 14:20:59,516 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:20:59,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:20:59,516 INFO L82 PathProgramCache]: Analyzing trace with hash -648229561, now seen corresponding path program 1 times [2020-07-17 14:20:59,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:20:59,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2116696259] [2020-07-17 14:20:59,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:20:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:20:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:20:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:20:59,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:20:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:20:59,802 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 14:21:01,132 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-07-17 14:21:01,324 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-07-17 14:21:01,548 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-07-17 14:21:02,031 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2020-07-17 14:21:02,515 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2020-07-17 14:21:02,821 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 14:21:03,150 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 14:21:03,511 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 14:21:04,195 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2020-07-17 14:21:04,599 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-07-17 14:21:05,034 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 14:21:05,520 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-07-17 14:21:06,407 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 85 [2020-07-17 14:21:07,315 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2020-07-17 14:21:08,261 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 86 [2020-07-17 14:21:09,257 WARN L193 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-07-17 14:21:09,852 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-07-17 14:21:10,873 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2020-07-17 14:21:11,523 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-07-17 14:21:12,210 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-07-17 14:21:13,509 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2020-07-17 14:21:14,612 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2020-07-17 14:21:15,763 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 91 [2020-07-17 14:21:17,002 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 92 DAG size of output: 92 [2020-07-17 14:21:17,795 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-07-17 14:21:19,129 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 94 DAG size of output: 94 [2020-07-17 14:21:20,500 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-07-17 14:21:21,900 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 96 DAG size of output: 96 [2020-07-17 14:21:23,262 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2020-07-17 14:21:24,097 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-07-17 14:21:24,965 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-07-17 14:21:26,504 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 99 DAG size of output: 99 [2020-07-17 14:21:27,420 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-07-17 14:21:29,003 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-07-17 14:21:30,619 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2020-07-17 14:21:32,229 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 14:21:33,240 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 14:21:34,258 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 14:21:35,983 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 108 DAG size of output: 102 [2020-07-17 14:21:38,255 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2020-07-17 14:21:39,958 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 14:21:41,697 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 106 DAG size of output: 102 [2020-07-17 14:21:42,782 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 14:21:43,875 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-07-17 14:21:45,817 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 105 DAG size of output: 105 [2020-07-17 14:21:47,761 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2020-07-17 14:21:49,566 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2020-07-17 14:21:51,996 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2020-07-17 14:21:53,862 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2020-07-17 14:21:55,786 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 109 DAG size of output: 104 [2020-07-17 14:21:57,711 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 105 DAG size of output: 105 [2020-07-17 14:21:59,687 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 106 DAG size of output: 106 [2020-07-17 14:22:01,590 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 107 DAG size of output: 103 [2020-07-17 14:22:04,119 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2020-07-17 14:22:05,863 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 106 DAG size of output: 99 [2020-07-17 14:22:07,576 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2020-07-17 14:22:09,319 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2020-07-17 14:22:11,127 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-07-17 14:22:12,951 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2020-07-17 14:22:15,312 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-07-17 14:22:17,133 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2020-07-17 14:22:18,990 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2020-07-17 14:22:20,744 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2020-07-17 14:22:22,562 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 101 DAG size of output: 99 [2020-07-17 14:22:24,380 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 100 DAG size of output: 100 [2020-07-17 14:22:26,637 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 105 DAG size of output: 95 [2020-07-17 14:22:28,363 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 96 DAG size of output: 96 [2020-07-17 14:22:30,037 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2020-07-17 14:22:32,283 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2020-07-17 14:22:33,838 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2020-07-17 14:22:35,240 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2020-07-17 14:22:36,325 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 66 [2020-07-17 14:22:37,338 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 67 [2020-07-17 14:22:38,387 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2020-07-17 14:22:39,610 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2020-07-17 14:22:40,465 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-07-17 14:22:41,577 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2020-07-17 14:22:42,465 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-07-17 14:22:43,392 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-07-17 14:22:44,631 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2020-07-17 14:22:45,856 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2020-07-17 14:22:47,141 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 72 [2020-07-17 14:22:48,465 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2020-07-17 14:22:49,804 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2020-07-17 14:22:50,812 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2020-07-17 14:22:51,902 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 14:22:53,072 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-07-17 14:22:54,251 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:22:55,801 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2020-07-17 14:22:56,992 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-07-17 14:22:58,630 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 79 [2020-07-17 14:23:00,329 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 79 [2020-07-17 14:23:02,077 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2020-07-17 14:23:03,825 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 81 [2020-07-17 14:23:05,624 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2020-07-17 14:23:06,489 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 37 [2020-07-17 14:23:06,490 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:23:06,491 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2116696259] [2020-07-17 14:23:06,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:23:06,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [124] imperfect sequences [] total 124 [2020-07-17 14:23:06,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323602724] [2020-07-17 14:23:06,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 125 states [2020-07-17 14:23:06,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:23:06,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2020-07-17 14:23:06,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5447, Invalid=10053, Unknown=0, NotChecked=0, Total=15500 [2020-07-17 14:23:06,498 INFO L87 Difference]: Start difference. First operand 6981 states and 8508 transitions. Second operand 125 states. [2020-07-17 14:23:07,749 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 79 [2020-07-17 14:23:08,114 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 92 [2020-07-17 14:23:08,318 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 31 [2020-07-17 14:23:08,742 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 98 [2020-07-17 14:23:09,211 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 104 [2020-07-17 14:23:09,775 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 105 [2020-07-17 14:23:10,200 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 46 [2020-07-17 14:23:10,765 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 105 [2020-07-17 14:23:11,750 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 68 [2020-07-17 14:23:13,077 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 106 [2020-07-17 14:23:14,315 WARN L193 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 109 [2020-07-17 14:23:14,609 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:23:14,987 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 79 [2020-07-17 14:23:16,101 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 109 [2020-07-17 14:23:17,233 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 134 DAG size of output: 110 [2020-07-17 14:23:18,577 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 135 DAG size of output: 114 [2020-07-17 14:23:19,294 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 91 [2020-07-17 14:23:19,570 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2020-07-17 14:23:19,753 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 14:23:21,043 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 138 DAG size of output: 117 [2020-07-17 14:23:21,636 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 101 [2020-07-17 14:23:22,631 WARN L193 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 120 [2020-07-17 14:23:23,318 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2020-07-17 14:23:24,599 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 137 DAG size of output: 117 [2020-07-17 14:23:25,367 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2020-07-17 14:23:25,821 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 102 [2020-07-17 14:23:26,442 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 108 [2020-07-17 14:23:27,835 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 138 DAG size of output: 118 [2020-07-17 14:23:28,567 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2020-07-17 14:23:29,686 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 119 [2020-07-17 14:23:30,563 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 112 [2020-07-17 14:23:31,308 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 108 [2020-07-17 14:23:32,091 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 113 [2020-07-17 14:23:32,603 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2020-07-17 14:23:33,867 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 121 DAG size of output: 113 [2020-07-17 14:23:34,886 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 119 [2020-07-17 14:23:36,495 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 122 DAG size of output: 116 [2020-07-17 14:23:37,570 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 120 [2020-07-17 14:23:38,545 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 118 [2020-07-17 14:23:39,822 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2020-07-17 14:23:40,702 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 116 [2020-07-17 14:23:41,759 WARN L193 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 122 [2020-07-17 14:23:43,039 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 128 DAG size of output: 123 [2020-07-17 14:23:44,301 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 130 DAG size of output: 124 [2020-07-17 14:23:45,106 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 95 [2020-07-17 14:23:46,494 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 131 DAG size of output: 125 [2020-07-17 14:23:47,808 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 149 DAG size of output: 122 [2020-07-17 14:23:49,155 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 132 DAG size of output: 126 [2020-07-17 14:23:49,333 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-07-17 14:23:50,653 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 133 DAG size of output: 127 [2020-07-17 14:23:50,842 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-07-17 14:23:52,294 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 134 DAG size of output: 128 [2020-07-17 14:23:53,643 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 148 DAG size of output: 122 [2020-07-17 14:23:53,953 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2020-07-17 14:23:54,254 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2020-07-17 14:23:55,789 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 135 DAG size of output: 128 [2020-07-17 14:23:57,046 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 146 DAG size of output: 120 [2020-07-17 14:23:57,352 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 52 [2020-07-17 14:23:57,768 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 95 [2020-07-17 14:23:59,287 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 147 DAG size of output: 121 [2020-07-17 14:23:59,696 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2020-07-17 14:24:01,244 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 138 DAG size of output: 131 [2020-07-17 14:24:01,468 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2020-07-17 14:24:02,840 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 150 DAG size of output: 123 [2020-07-17 14:24:03,648 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 98 [2020-07-17 14:24:04,182 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 99 [2020-07-17 14:24:05,835 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 139 DAG size of output: 132 [2020-07-17 14:24:06,333 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 54 [2020-07-17 14:24:06,977 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 105 [2020-07-17 14:24:08,489 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 137 DAG size of output: 129 [2020-07-17 14:24:09,183 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 106 [2020-07-17 14:24:10,764 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 152 DAG size of output: 124 [2020-07-17 14:24:11,500 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 106 [2020-07-17 14:24:13,128 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 138 DAG size of output: 130 [2020-07-17 14:24:14,819 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 139 DAG size of output: 131 [2020-07-17 14:24:16,221 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 149 DAG size of output: 120 [2020-07-17 14:24:16,819 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 88 [2020-07-17 14:24:17,601 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 107 [2020-07-17 14:24:19,210 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 141 DAG size of output: 132 [2020-07-17 14:24:20,393 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 123 [2020-07-17 14:24:21,329 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2020-07-17 14:24:22,243 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 101 [2020-07-17 14:24:22,487 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 36 [2020-07-17 14:24:23,276 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 108 [2020-07-17 14:24:24,699 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 150 DAG size of output: 121 [2020-07-17 14:24:26,616 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 142 DAG size of output: 133 [2020-07-17 14:24:27,902 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 147 DAG size of output: 124 [2020-07-17 14:24:28,259 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2020-07-17 14:24:29,751 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 151 DAG size of output: 122 [2020-07-17 14:24:31,134 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 127 DAG size of output: 109 [2020-07-17 14:24:32,908 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 142 DAG size of output: 133 [2020-07-17 14:24:35,080 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 143 DAG size of output: 134 [2020-07-17 14:24:36,612 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 149 DAG size of output: 122 [2020-07-17 14:24:38,113 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 130 DAG size of output: 112 [2020-07-17 14:24:40,268 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 145 DAG size of output: 135 [2020-07-17 14:24:41,469 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 104 [2020-07-17 14:24:42,175 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2020-07-17 14:24:43,542 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 145 DAG size of output: 122 [2020-07-17 14:24:45,843 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 146 DAG size of output: 136 [2020-07-17 14:24:47,671 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 132 DAG size of output: 116 [2020-07-17 14:24:49,317 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 152 DAG size of output: 129 [2020-07-17 14:24:51,349 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 146 DAG size of output: 136 [2020-07-17 14:24:52,758 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 144 DAG size of output: 121 [2020-07-17 14:24:53,870 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 104 [2020-07-17 14:24:55,554 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 152 DAG size of output: 129 [2020-07-17 14:24:57,794 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 146 DAG size of output: 136 [2020-07-17 14:24:59,183 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 144 DAG size of output: 121 [2020-07-17 14:25:01,034 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 133 DAG size of output: 116 [2020-07-17 14:25:02,320 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 85 DAG size of output: 76 [2020-07-17 14:25:04,799 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 148 DAG size of output: 137 [2020-07-17 14:25:06,344 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 146 DAG size of output: 123 [2020-07-17 14:25:08,195 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 134 DAG size of output: 117 [2020-07-17 14:25:09,501 WARN L193 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 108 [2020-07-17 14:25:11,538 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 135 DAG size of output: 121 [2020-07-17 14:25:13,920 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 149 DAG size of output: 138 [2020-07-17 14:25:16,272 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 148 DAG size of output: 137 [2020-07-17 14:25:18,519 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 138 DAG size of output: 124 [2020-07-17 14:25:20,655 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 146 DAG size of output: 135 [2020-07-17 14:25:22,364 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 139 DAG size of output: 127 [2020-07-17 14:25:24,668 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 147 DAG size of output: 136 [2020-07-17 14:25:26,905 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 137 DAG size of output: 124 [2020-07-17 14:25:29,250 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 148 DAG size of output: 137 [2020-07-17 14:25:31,812 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 150 DAG size of output: 138 [2020-07-17 14:25:34,247 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 138 DAG size of output: 125 [2020-07-17 14:25:35,475 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 110 [2020-07-17 14:25:36,837 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 151 DAG size of output: 109 [2020-07-17 14:25:38,579 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 142 DAG size of output: 126 [2020-07-17 14:25:41,103 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 152 DAG size of output: 139 [2020-07-17 14:25:42,447 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 113 [2020-07-17 14:25:43,349 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 63 [2020-07-17 14:25:44,785 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 152 DAG size of output: 110 [2020-07-17 14:25:47,428 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 149 DAG size of output: 136 [2020-07-17 14:25:48,319 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 100 [2020-07-17 14:25:49,749 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 150 DAG size of output: 110 [2020-07-17 14:25:51,919 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 155 DAG size of output: 132 [2020-07-17 14:25:54,340 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 149 DAG size of output: 136 [2020-07-17 14:25:56,241 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 142 DAG size of output: 126 [2020-07-17 14:25:58,818 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 150 DAG size of output: 137 [2020-07-17 14:25:59,623 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2020-07-17 14:26:01,009 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 146 DAG size of output: 110 [2020-07-17 14:26:03,023 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 143 DAG size of output: 127 [2020-07-17 14:26:03,289 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2020-07-17 14:26:05,876 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 150 DAG size of output: 137 [2020-07-17 14:26:06,049 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-07-17 14:26:08,259 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 146 DAG size of output: 128 [2020-07-17 14:26:10,605 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 156 DAG size of output: 134 [2020-07-17 14:26:13,227 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 151 DAG size of output: 138 [2020-07-17 14:26:14,208 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 102 [2020-07-17 14:26:15,697 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 145 DAG size of output: 107 [2020-07-17 14:26:18,589 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 149 DAG size of output: 139 [2020-07-17 14:26:19,464 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 111 [2020-07-17 14:26:20,671 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 65 [2020-07-17 14:26:22,160 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 145 DAG size of output: 105 [2020-07-17 14:26:22,987 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 68 [2020-07-17 14:26:24,243 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 127 DAG size of output: 110 [2020-07-17 14:26:25,895 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 147 DAG size of output: 109 [2020-07-17 14:26:27,037 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 97 [2020-07-17 14:26:29,208 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 146 DAG size of output: 128 [2020-07-17 14:26:32,097 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 145 DAG size of output: 138 [2020-07-17 14:26:33,144 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2020-07-17 14:26:33,481 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2020-07-17 14:26:35,933 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 149 DAG size of output: 129 [2020-07-17 14:26:38,783 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 144 DAG size of output: 137 [2020-07-17 14:26:39,528 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-07-17 14:26:42,363 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 144 DAG size of output: 137 [2020-07-17 14:26:43,564 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 106 [2020-07-17 14:26:46,415 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 147 DAG size of output: 140 [2020-07-17 14:26:47,669 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 108 [2020-07-17 14:26:49,982 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 148 DAG size of output: 129 [2020-07-17 14:26:52,661 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 153 DAG size of output: 136 [2020-07-17 14:26:55,634 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 147 DAG size of output: 140 [2020-07-17 14:26:57,159 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 136 DAG size of output: 121 [2020-07-17 14:26:58,424 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 107 [2020-07-17 14:27:00,827 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 146 DAG size of output: 127 [2020-07-17 14:27:03,900 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 147 DAG size of output: 139 [2020-07-17 14:27:05,572 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 137 DAG size of output: 124 [2020-07-17 14:27:06,195 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 58 [2020-07-17 14:27:08,606 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 147 DAG size of output: 128 [2020-07-17 14:27:09,596 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2020-07-17 14:27:10,678 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 91 [2020-07-17 14:27:13,127 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 148 DAG size of output: 130 [2020-07-17 14:27:13,463 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2020-07-17 14:27:16,421 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 147 DAG size of output: 139 [2020-07-17 14:27:19,414 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 150 DAG size of output: 131 [2020-07-17 14:27:22,294 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 153 DAG size of output: 136 [2020-07-17 14:27:26,327 WARN L193 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 146 DAG size of output: 136 [2020-07-17 14:27:28,208 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2020-07-17 14:27:31,948 WARN L193 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 146 DAG size of output: 135 [2020-07-17 14:27:35,096 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 152 DAG size of output: 132 [2020-07-17 14:27:38,478 WARN L193 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 141 DAG size of output: 130 [2020-07-17 14:27:41,409 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 149 DAG size of output: 128 [2020-07-17 14:27:45,135 WARN L193 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 142 DAG size of output: 131 [2020-07-17 14:27:46,149 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2020-07-17 14:27:50,097 WARN L193 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 142 DAG size of output: 130 [2020-07-17 14:27:50,947 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 65 [2020-07-17 14:27:52,313 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2020-07-17 14:27:53,584 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 108 [2020-07-17 14:27:56,504 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 150 DAG size of output: 129 [2020-07-17 14:27:59,906 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 137 DAG size of output: 128 [2020-07-17 14:28:01,488 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 125 DAG size of output: 109 [2020-07-17 14:28:04,473 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 151 DAG size of output: 130 [2020-07-17 14:28:08,186 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 143 DAG size of output: 128 [2020-07-17 14:28:11,134 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 130 DAG size of output: 121 [2020-07-17 14:28:12,429 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 108 [2020-07-17 14:28:15,335 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 149 DAG size of output: 130 [2020-07-17 14:28:17,206 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 112 DAG size of output: 102 [2020-07-17 14:28:19,841 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 136 DAG size of output: 122 [2020-07-17 14:28:21,958 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 113 DAG size of output: 103 [2020-07-17 14:28:23,624 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 127 DAG size of output: 109 [2020-07-17 14:28:26,426 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 145 DAG size of output: 130 [2020-07-17 14:28:28,630 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-07-17 14:28:29,614 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 91 [2020-07-17 14:28:31,109 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 97 [2020-07-17 14:28:32,628 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 105 [2020-07-17 14:28:33,281 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2020-07-17 14:28:36,400 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 144 DAG size of output: 129 [2020-07-17 14:28:38,019 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 114 DAG size of output: 109 [2020-07-17 14:28:41,229 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 144 DAG size of output: 129 [2020-07-17 14:28:42,846 WARN L193 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-07-17 14:28:44,944 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 147 DAG size of output: 131 [2020-07-17 14:28:46,153 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 111 [2020-07-17 14:28:47,621 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 151 DAG size of output: 126 [2020-07-17 14:28:49,010 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 112 [2020-07-17 14:28:51,218 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 147 DAG size of output: 131 [2020-07-17 14:28:52,496 WARN L193 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 112 [2020-07-17 14:28:53,876 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 112 [2020-07-17 14:28:54,658 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 94 [2020-07-17 14:28:56,864 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 146 DAG size of output: 131 [2020-07-17 14:28:58,142 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 113 [2020-07-17 14:28:59,416 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 114 [2020-07-17 14:29:00,842 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 154 DAG size of output: 130 [2020-07-17 14:29:02,093 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 114 [2020-07-17 14:29:02,439 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 50 [2020-07-17 14:29:03,680 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 115 [2020-07-17 14:29:05,204 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 123 [2020-07-17 14:29:06,484 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 116 [2020-07-17 14:29:08,027 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 124 [2020-07-17 14:29:09,381 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 117 [2020-07-17 14:29:10,893 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 123 [2020-07-17 14:29:12,268 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 118 [2020-07-17 14:29:13,810 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 153 DAG size of output: 131 [2020-07-17 14:29:15,389 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 154 DAG size of output: 131 [2020-07-17 14:29:16,827 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 117 [2020-07-17 14:29:18,256 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 123 DAG size of output: 118 [2020-07-17 14:29:19,945 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 124 DAG size of output: 119 [2020-07-17 14:29:20,208 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2020-07-17 14:29:21,096 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 98 [2020-07-17 14:29:22,581 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 125 DAG size of output: 120 [2020-07-17 14:29:23,601 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 101 [2020-07-17 14:29:24,700 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 97 [2020-07-17 14:29:26,163 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 125 DAG size of output: 120 [2020-07-17 14:29:27,324 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 103 [2020-07-17 14:29:28,058 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 77 [2020-07-17 14:29:29,618 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 126 DAG size of output: 121 [2020-07-17 14:29:31,280 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 127 DAG size of output: 122 [2020-07-17 14:29:32,925 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 127 DAG size of output: 122 [2020-07-17 14:29:34,316 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 107 [2020-07-17 14:29:35,499 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 109 [2020-07-17 14:29:36,703 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 108 [2020-07-17 14:29:38,233 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 109 [2020-07-17 14:29:39,761 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 109 [2020-07-17 14:29:42,292 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 152 DAG size of output: 133 [2020-07-17 14:29:43,725 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 110 [2020-07-17 14:29:44,865 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 97 [2020-07-17 14:29:46,328 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 111 [2020-07-17 14:29:47,955 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 112 [2020-07-17 14:29:49,445 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 111 [2020-07-17 14:29:51,638 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 148 DAG size of output: 129 [2020-07-17 14:29:52,229 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2020-07-17 14:29:53,769 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 112 [2020-07-17 14:29:53,964 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-07-17 14:29:54,328 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2020-07-17 14:29:55,257 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 64 [2020-07-17 14:29:55,766 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 50 [2020-07-17 14:29:57,855 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 100 [2020-07-17 14:29:59,187 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 84 [2020-07-17 14:30:00,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:30:00,680 INFO L93 Difference]: Finished difference Result 15736 states and 19271 transitions. [2020-07-17 14:30:00,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 325 states. [2020-07-17 14:30:00,682 INFO L78 Accepts]: Start accepts. Automaton has 125 states. Word has length 209 [2020-07-17 14:30:00,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:30:00,691 INFO L225 Difference]: With dead ends: 15736 [2020-07-17 14:30:00,692 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 14:30:00,743 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 520 GetRequests, 77 SyntacticMatches, 1 SemanticMatches, 442 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67221 ImplicationChecksByTransitivity, 517.2s TimeCoverageRelationStatistics Valid=39732, Invalid=156960, Unknown=0, NotChecked=0, Total=196692 [2020-07-17 14:30:00,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 14:30:00,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 14:30:00,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 14:30:00,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 14:30:00,744 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 209 [2020-07-17 14:30:00,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:30:00,744 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 14:30:00,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 125 states. [2020-07-17 14:30:00,744 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 14:30:00,745 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 14:30:00,745 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 14:30:00,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 14:30:03,148 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 103 [2020-07-17 14:30:12,529 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 337