/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/Problem10_label44.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 13:50:52,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 13:50:52,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 13:50:52,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 13:50:52,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 13:50:52,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 13:50:52,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 13:50:52,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 13:50:52,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 13:50:52,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 13:50:52,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 13:50:52,606 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 13:50:52,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 13:50:52,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 13:50:52,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 13:50:52,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 13:50:52,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 13:50:52,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 13:50:52,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 13:50:52,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 13:50:52,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 13:50:52,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 13:50:52,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 13:50:52,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 13:50:52,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 13:50:52,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 13:50:52,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 13:50:52,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 13:50:52,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 13:50:52,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 13:50:52,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 13:50:52,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 13:50:52,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 13:50:52,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 13:50:52,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 13:50:52,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 13:50:52,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 13:50:52,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 13:50:52,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 13:50:52,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 13:50:52,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 13:50:52,644 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 13:50:52,653 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 13:50:52,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 13:50:52,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 13:50:52,654 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 13:50:52,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 13:50:52,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 13:50:52,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 13:50:52,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 13:50:52,655 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 13:50:52,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 13:50:52,656 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 13:50:52,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 13:50:52,656 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 13:50:52,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 13:50:52,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 13:50:52,657 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 13:50:52,657 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 13:50:52,657 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 13:50:52,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 13:50:52,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 13:50:52,658 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 13:50:52,658 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 13:50:52,658 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 13:50:52,953 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 13:50:52,965 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 13:50:52,968 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 13:50:52,970 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 13:50:52,970 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 13:50:52,971 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label44.c [2020-07-07 13:50:53,046 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2233ffb5c/dbfe6a1d7afc4bfd85eda5f299d8a38c/FLAG72ed787e6 [2020-07-07 13:50:53,635 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 13:50:53,636 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label44.c [2020-07-07 13:50:53,652 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2233ffb5c/dbfe6a1d7afc4bfd85eda5f299d8a38c/FLAG72ed787e6 [2020-07-07 13:50:53,896 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2233ffb5c/dbfe6a1d7afc4bfd85eda5f299d8a38c [2020-07-07 13:50:53,905 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 13:50:53,907 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 13:50:53,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 13:50:53,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 13:50:53,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 13:50:53,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 01:50:53" (1/1) ... [2020-07-07 13:50:53,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18107c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:50:53, skipping insertion in model container [2020-07-07 13:50:53,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 01:50:53" (1/1) ... [2020-07-07 13:50:53,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 13:50:53,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 13:50:54,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 13:50:54,479 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 13:50:54,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 13:50:54,658 INFO L208 MainTranslator]: Completed translation [2020-07-07 13:50:54,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:50:54 WrapperNode [2020-07-07 13:50:54,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 13:50:54,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 13:50:54,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 13:50:54,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 13:50:54,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:50:54" (1/1) ... [2020-07-07 13:50:54,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:50:54" (1/1) ... [2020-07-07 13:50:54,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:50:54" (1/1) ... [2020-07-07 13:50:54,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:50:54" (1/1) ... [2020-07-07 13:50:54,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:50:54" (1/1) ... [2020-07-07 13:50:54,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:50:54" (1/1) ... [2020-07-07 13:50:54,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:50:54" (1/1) ... [2020-07-07 13:50:54,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 13:50:54,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 13:50:54,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 13:50:54,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 13:50:54,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:50:54" (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 [2020-07-07 13:50:54,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 13:50:54,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 13:50:54,843 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-07 13:50:54,843 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 13:50:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-07 13:50:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 13:50:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 13:50:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-07 13:50:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 13:50:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 13:50:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 13:50:56,273 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 13:50:56,274 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-07 13:50:56,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 01:50:56 BoogieIcfgContainer [2020-07-07 13:50:56,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 13:50:56,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 13:50:56,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 13:50:56,287 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 13:50:56,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 01:50:53" (1/3) ... [2020-07-07 13:50:56,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f64657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 01:50:56, skipping insertion in model container [2020-07-07 13:50:56,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:50:54" (2/3) ... [2020-07-07 13:50:56,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f64657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 01:50:56, skipping insertion in model container [2020-07-07 13:50:56,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 01:50:56" (3/3) ... [2020-07-07 13:50:56,291 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label44.c [2020-07-07 13:50:56,304 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 13:50:56,314 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 13:50:56,333 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 13:50:56,360 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 13:50:56,361 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 13:50:56,361 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 13:50:56,361 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 13:50:56,361 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 13:50:56,362 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 13:50:56,362 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 13:50:56,362 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 13:50:56,384 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states. [2020-07-07 13:50:56,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-07-07 13:50:56,399 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:50:56,400 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] [2020-07-07 13:50:56,401 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:50:56,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:50:56,407 INFO L82 PathProgramCache]: Analyzing trace with hash 2145887279, now seen corresponding path program 1 times [2020-07-07 13:50:56,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:50:56,417 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [801163] [2020-07-07 13:50:56,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:50:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:50:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:50:56,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:50:56,860 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:50:56,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [801163] [2020-07-07 13:50:56,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:50:56,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 13:50:56,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015480879] [2020-07-07 13:50:56,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 13:50:56,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:50:56,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 13:50:56,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 13:50:56,890 INFO L87 Difference]: Start difference. First operand 456 states. Second operand 5 states. [2020-07-07 13:50:59,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:50:59,573 INFO L93 Difference]: Finished difference Result 1246 states and 1816 transitions. [2020-07-07 13:50:59,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 13:50:59,575 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2020-07-07 13:50:59,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:50:59,610 INFO L225 Difference]: With dead ends: 1246 [2020-07-07 13:50:59,611 INFO L226 Difference]: Without dead ends: 727 [2020-07-07 13:50:59,625 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 13:50:59,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2020-07-07 13:50:59,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 697. [2020-07-07 13:50:59,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2020-07-07 13:50:59,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 849 transitions. [2020-07-07 13:50:59,790 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 849 transitions. Word has length 76 [2020-07-07 13:50:59,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:50:59,790 INFO L479 AbstractCegarLoop]: Abstraction has 697 states and 849 transitions. [2020-07-07 13:50:59,791 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 13:50:59,791 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 849 transitions. [2020-07-07 13:50:59,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-07-07 13:50:59,800 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:50:59,801 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:50:59,801 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 13:50:59,802 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:50:59,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:50:59,802 INFO L82 PathProgramCache]: Analyzing trace with hash -430892963, now seen corresponding path program 1 times [2020-07-07 13:50:59,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:50:59,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1908058721] [2020-07-07 13:50:59,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:50:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:00,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:51:00,410 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:51:00,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1908058721] [2020-07-07 13:51:00,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:51:00,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 13:51:00,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59251396] [2020-07-07 13:51:00,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 13:51:00,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:51:00,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 13:51:00,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-07 13:51:00,416 INFO L87 Difference]: Start difference. First operand 697 states and 849 transitions. Second operand 9 states. [2020-07-07 13:51:03,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:51:03,534 INFO L93 Difference]: Finished difference Result 2593 states and 3323 transitions. [2020-07-07 13:51:03,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-07 13:51:03,535 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 165 [2020-07-07 13:51:03,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:51:03,562 INFO L225 Difference]: With dead ends: 2593 [2020-07-07 13:51:03,563 INFO L226 Difference]: Without dead ends: 1911 [2020-07-07 13:51:03,569 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2020-07-07 13:51:03,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1911 states. [2020-07-07 13:51:03,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1911 to 1810. [2020-07-07 13:51:03,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1810 states. [2020-07-07 13:51:03,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1810 states to 1810 states and 2225 transitions. [2020-07-07 13:51:03,831 INFO L78 Accepts]: Start accepts. Automaton has 1810 states and 2225 transitions. Word has length 165 [2020-07-07 13:51:03,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:51:03,836 INFO L479 AbstractCegarLoop]: Abstraction has 1810 states and 2225 transitions. [2020-07-07 13:51:03,836 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 13:51:03,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 2225 transitions. [2020-07-07 13:51:03,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-07-07 13:51:03,851 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:51:03,852 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:51:03,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 13:51:03,852 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:51:03,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:51:03,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1504222835, now seen corresponding path program 1 times [2020-07-07 13:51:03,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:51:03,853 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [531752118] [2020-07-07 13:51:03,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:51:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:04,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:51:04,330 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:51:04,331 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [531752118] [2020-07-07 13:51:04,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:51:04,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 13:51:04,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672697876] [2020-07-07 13:51:04,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 13:51:04,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:51:04,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 13:51:04,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-07-07 13:51:04,336 INFO L87 Difference]: Start difference. First operand 1810 states and 2225 transitions. Second operand 11 states. [2020-07-07 13:51:08,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:51:08,678 INFO L93 Difference]: Finished difference Result 4441 states and 5505 transitions. [2020-07-07 13:51:08,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-07 13:51:08,678 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 244 [2020-07-07 13:51:08,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:51:08,711 INFO L225 Difference]: With dead ends: 4441 [2020-07-07 13:51:08,712 INFO L226 Difference]: Without dead ends: 2796 [2020-07-07 13:51:08,722 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2020-07-07 13:51:08,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2796 states. [2020-07-07 13:51:08,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2796 to 2320. [2020-07-07 13:51:08,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2320 states. [2020-07-07 13:51:09,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2320 states to 2320 states and 2767 transitions. [2020-07-07 13:51:09,007 INFO L78 Accepts]: Start accepts. Automaton has 2320 states and 2767 transitions. Word has length 244 [2020-07-07 13:51:09,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:51:09,008 INFO L479 AbstractCegarLoop]: Abstraction has 2320 states and 2767 transitions. [2020-07-07 13:51:09,008 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 13:51:09,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2320 states and 2767 transitions. [2020-07-07 13:51:09,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-07-07 13:51:09,016 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:51:09,016 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:51:09,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 13:51:09,017 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:51:09,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:51:09,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1028592363, now seen corresponding path program 1 times [2020-07-07 13:51:09,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:51:09,018 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2144175708] [2020-07-07 13:51:09,018 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:51:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:09,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:51:09,444 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:51:09,444 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2144175708] [2020-07-07 13:51:09,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:51:09,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 13:51:09,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16315232] [2020-07-07 13:51:09,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 13:51:09,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:51:09,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 13:51:09,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-07 13:51:09,447 INFO L87 Difference]: Start difference. First operand 2320 states and 2767 transitions. Second operand 10 states. [2020-07-07 13:51:13,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:51:13,428 INFO L93 Difference]: Finished difference Result 5935 states and 7301 transitions. [2020-07-07 13:51:13,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-07 13:51:13,428 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 247 [2020-07-07 13:51:13,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:51:13,459 INFO L225 Difference]: With dead ends: 5935 [2020-07-07 13:51:13,459 INFO L226 Difference]: Without dead ends: 3780 [2020-07-07 13:51:13,469 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2020-07-07 13:51:13,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3780 states. [2020-07-07 13:51:13,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3780 to 3370. [2020-07-07 13:51:13,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3370 states. [2020-07-07 13:51:13,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3370 states to 3370 states and 4052 transitions. [2020-07-07 13:51:13,815 INFO L78 Accepts]: Start accepts. Automaton has 3370 states and 4052 transitions. Word has length 247 [2020-07-07 13:51:13,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:51:13,815 INFO L479 AbstractCegarLoop]: Abstraction has 3370 states and 4052 transitions. [2020-07-07 13:51:13,815 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 13:51:13,816 INFO L276 IsEmpty]: Start isEmpty. Operand 3370 states and 4052 transitions. [2020-07-07 13:51:13,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-07-07 13:51:13,827 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:51:13,827 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:51:13,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 13:51:13,828 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:51:13,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:51:13,828 INFO L82 PathProgramCache]: Analyzing trace with hash 2049600372, now seen corresponding path program 1 times [2020-07-07 13:51:13,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:51:13,829 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1407577311] [2020-07-07 13:51:13,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:51:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:14,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:51:14,204 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:51:14,205 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1407577311] [2020-07-07 13:51:14,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:51:14,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 13:51:14,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585878571] [2020-07-07 13:51:14,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 13:51:14,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:51:14,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 13:51:14,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-07-07 13:51:14,207 INFO L87 Difference]: Start difference. First operand 3370 states and 4052 transitions. Second operand 9 states. [2020-07-07 13:51:16,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:51:16,513 INFO L93 Difference]: Finished difference Result 7829 states and 9908 transitions. [2020-07-07 13:51:16,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-07 13:51:16,514 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 251 [2020-07-07 13:51:16,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:51:16,557 INFO L225 Difference]: With dead ends: 7829 [2020-07-07 13:51:16,557 INFO L226 Difference]: Without dead ends: 4624 [2020-07-07 13:51:16,569 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2020-07-07 13:51:16,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4624 states. [2020-07-07 13:51:16,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4624 to 4450. [2020-07-07 13:51:16,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4450 states. [2020-07-07 13:51:16,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4450 states to 4450 states and 5398 transitions. [2020-07-07 13:51:16,972 INFO L78 Accepts]: Start accepts. Automaton has 4450 states and 5398 transitions. Word has length 251 [2020-07-07 13:51:16,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:51:16,972 INFO L479 AbstractCegarLoop]: Abstraction has 4450 states and 5398 transitions. [2020-07-07 13:51:16,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 13:51:16,973 INFO L276 IsEmpty]: Start isEmpty. Operand 4450 states and 5398 transitions. [2020-07-07 13:51:16,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-07-07 13:51:16,980 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:51:16,981 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:51:16,981 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 13:51:16,981 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:51:16,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:51:16,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1668169033, now seen corresponding path program 1 times [2020-07-07 13:51:16,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:51:16,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1656100667] [2020-07-07 13:51:16,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:51:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:17,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:51:17,388 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:51:17,388 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1656100667] [2020-07-07 13:51:17,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:51:17,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 13:51:17,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362535461] [2020-07-07 13:51:17,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 13:51:17,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:51:17,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 13:51:17,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-07-07 13:51:17,390 INFO L87 Difference]: Start difference. First operand 4450 states and 5398 transitions. Second operand 8 states. [2020-07-07 13:51:20,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:51:20,197 INFO L93 Difference]: Finished difference Result 9587 states and 12187 transitions. [2020-07-07 13:51:20,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 13:51:20,197 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 257 [2020-07-07 13:51:20,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:51:20,238 INFO L225 Difference]: With dead ends: 9587 [2020-07-07 13:51:20,238 INFO L226 Difference]: Without dead ends: 5302 [2020-07-07 13:51:20,257 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-07-07 13:51:20,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5302 states. [2020-07-07 13:51:20,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5302 to 5288. [2020-07-07 13:51:20,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5288 states. [2020-07-07 13:51:20,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5288 states to 5288 states and 6482 transitions. [2020-07-07 13:51:20,906 INFO L78 Accepts]: Start accepts. Automaton has 5288 states and 6482 transitions. Word has length 257 [2020-07-07 13:51:20,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:51:20,906 INFO L479 AbstractCegarLoop]: Abstraction has 5288 states and 6482 transitions. [2020-07-07 13:51:20,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 13:51:20,907 INFO L276 IsEmpty]: Start isEmpty. Operand 5288 states and 6482 transitions. [2020-07-07 13:51:20,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-07-07 13:51:20,923 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:51:20,923 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:51:20,924 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 13:51:20,924 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:51:20,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:51:20,924 INFO L82 PathProgramCache]: Analyzing trace with hash 1508069896, now seen corresponding path program 1 times [2020-07-07 13:51:20,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:51:20,925 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2075649590] [2020-07-07 13:51:20,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:51:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:21,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:51:21,226 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:51:21,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2075649590] [2020-07-07 13:51:21,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:51:21,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 13:51:21,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301295555] [2020-07-07 13:51:21,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 13:51:21,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:51:21,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 13:51:21,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-07 13:51:21,228 INFO L87 Difference]: Start difference. First operand 5288 states and 6482 transitions. Second operand 8 states. [2020-07-07 13:51:23,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:51:23,243 INFO L93 Difference]: Finished difference Result 10436 states and 12843 transitions. [2020-07-07 13:51:23,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 13:51:23,245 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 273 [2020-07-07 13:51:23,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:51:23,285 INFO L225 Difference]: With dead ends: 10436 [2020-07-07 13:51:23,285 INFO L226 Difference]: Without dead ends: 5313 [2020-07-07 13:51:23,315 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-07-07 13:51:23,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5313 states. [2020-07-07 13:51:23,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5313 to 5300. [2020-07-07 13:51:23,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5300 states. [2020-07-07 13:51:23,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5300 states to 5300 states and 6496 transitions. [2020-07-07 13:51:23,699 INFO L78 Accepts]: Start accepts. Automaton has 5300 states and 6496 transitions. Word has length 273 [2020-07-07 13:51:23,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:51:23,700 INFO L479 AbstractCegarLoop]: Abstraction has 5300 states and 6496 transitions. [2020-07-07 13:51:23,700 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 13:51:23,700 INFO L276 IsEmpty]: Start isEmpty. Operand 5300 states and 6496 transitions. [2020-07-07 13:51:23,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2020-07-07 13:51:23,710 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:51:23,711 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 13:51:23,711 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 13:51:23,711 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:51:23,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:51:23,712 INFO L82 PathProgramCache]: Analyzing trace with hash -4702946, now seen corresponding path program 1 times [2020-07-07 13:51:23,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:51:23,712 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [606140145] [2020-07-07 13:51:23,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:51:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:23,995 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-07-07 13:51:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:24,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:51:24,208 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:51:24,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [606140145] [2020-07-07 13:51:24,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:51:24,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 13:51:24,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629198051] [2020-07-07 13:51:24,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 13:51:24,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:51:24,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 13:51:24,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-07 13:51:24,211 INFO L87 Difference]: Start difference. First operand 5300 states and 6496 transitions. Second operand 6 states. [2020-07-07 13:51:26,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:51:26,758 INFO L93 Difference]: Finished difference Result 12197 states and 15097 transitions. [2020-07-07 13:51:26,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 13:51:26,759 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 333 [2020-07-07 13:51:26,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:51:26,807 INFO L225 Difference]: With dead ends: 12197 [2020-07-07 13:51:26,807 INFO L226 Difference]: Without dead ends: 7062 [2020-07-07 13:51:26,837 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-07-07 13:51:26,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7062 states. [2020-07-07 13:51:27,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7062 to 6256. [2020-07-07 13:51:27,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6256 states. [2020-07-07 13:51:27,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6256 states to 6256 states and 7535 transitions. [2020-07-07 13:51:27,304 INFO L78 Accepts]: Start accepts. Automaton has 6256 states and 7535 transitions. Word has length 333 [2020-07-07 13:51:27,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:51:27,305 INFO L479 AbstractCegarLoop]: Abstraction has 6256 states and 7535 transitions. [2020-07-07 13:51:27,305 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 13:51:27,306 INFO L276 IsEmpty]: Start isEmpty. Operand 6256 states and 7535 transitions. [2020-07-07 13:51:27,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2020-07-07 13:51:27,316 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:51:27,316 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:51:27,317 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 13:51:27,317 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:51:27,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:51:27,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1318397123, now seen corresponding path program 1 times [2020-07-07 13:51:27,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:51:27,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1589000280] [2020-07-07 13:51:27,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:51:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:28,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:51:28,164 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:51:28,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1589000280] [2020-07-07 13:51:28,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:51:28,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-07 13:51:28,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886647491] [2020-07-07 13:51:28,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-07 13:51:28,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:51:28,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-07 13:51:28,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-07-07 13:51:28,174 INFO L87 Difference]: Start difference. First operand 6256 states and 7535 transitions. Second operand 14 states. [2020-07-07 13:51:32,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:51:32,831 INFO L93 Difference]: Finished difference Result 13259 states and 16038 transitions. [2020-07-07 13:51:32,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-07 13:51:32,832 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 339 [2020-07-07 13:51:32,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:51:32,895 INFO L225 Difference]: With dead ends: 13259 [2020-07-07 13:51:32,896 INFO L226 Difference]: Without dead ends: 7173 [2020-07-07 13:51:32,922 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=221, Invalid=835, Unknown=0, NotChecked=0, Total=1056 [2020-07-07 13:51:32,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7173 states. [2020-07-07 13:51:33,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7173 to 6456. [2020-07-07 13:51:33,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6456 states. [2020-07-07 13:51:33,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6456 states to 6456 states and 7750 transitions. [2020-07-07 13:51:33,766 INFO L78 Accepts]: Start accepts. Automaton has 6456 states and 7750 transitions. Word has length 339 [2020-07-07 13:51:33,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:51:33,766 INFO L479 AbstractCegarLoop]: Abstraction has 6456 states and 7750 transitions. [2020-07-07 13:51:33,766 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-07 13:51:33,767 INFO L276 IsEmpty]: Start isEmpty. Operand 6456 states and 7750 transitions. [2020-07-07 13:51:33,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2020-07-07 13:51:33,781 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:51:33,781 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2020-07-07 13:51:33,781 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 13:51:33,782 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:51:33,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:51:33,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1343924776, now seen corresponding path program 1 times [2020-07-07 13:51:33,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:51:33,783 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [589519302] [2020-07-07 13:51:33,783 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:51:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:34,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:51:34,195 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:51:34,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [589519302] [2020-07-07 13:51:34,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:51:34,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 13:51:34,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168883856] [2020-07-07 13:51:34,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 13:51:34,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:51:34,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 13:51:34,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-07-07 13:51:34,197 INFO L87 Difference]: Start difference. First operand 6456 states and 7750 transitions. Second operand 12 states. [2020-07-07 13:51:38,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:51:38,307 INFO L93 Difference]: Finished difference Result 15664 states and 19172 transitions. [2020-07-07 13:51:38,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-07 13:51:38,307 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 423 [2020-07-07 13:51:38,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:51:38,344 INFO L225 Difference]: With dead ends: 15664 [2020-07-07 13:51:38,344 INFO L226 Difference]: Without dead ends: 6645 [2020-07-07 13:51:38,371 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=351, Unknown=0, NotChecked=0, Total=462 [2020-07-07 13:51:38,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6645 states. [2020-07-07 13:51:39,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6645 to 5986. [2020-07-07 13:51:39,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5986 states. [2020-07-07 13:51:39,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5986 states to 5986 states and 6976 transitions. [2020-07-07 13:51:39,041 INFO L78 Accepts]: Start accepts. Automaton has 5986 states and 6976 transitions. Word has length 423 [2020-07-07 13:51:39,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:51:39,042 INFO L479 AbstractCegarLoop]: Abstraction has 5986 states and 6976 transitions. [2020-07-07 13:51:39,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 13:51:39,042 INFO L276 IsEmpty]: Start isEmpty. Operand 5986 states and 6976 transitions. [2020-07-07 13:51:39,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2020-07-07 13:51:39,052 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:51:39,052 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2020-07-07 13:51:39,053 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-07 13:51:39,053 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:51:39,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:51:39,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1447415977, now seen corresponding path program 1 times [2020-07-07 13:51:39,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:51:39,053 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1481643494] [2020-07-07 13:51:39,053 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:51:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:40,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:51:40,778 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:51:40,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1481643494] [2020-07-07 13:51:40,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:51:40,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2020-07-07 13:51:40,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338281582] [2020-07-07 13:51:40,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-07-07 13:51:40,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:51:40,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-07-07 13:51:40,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2020-07-07 13:51:40,780 INFO L87 Difference]: Start difference. First operand 5986 states and 6976 transitions. Second operand 21 states. [2020-07-07 13:51:48,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:51:48,132 INFO L93 Difference]: Finished difference Result 13157 states and 15990 transitions. [2020-07-07 13:51:48,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-07 13:51:48,133 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 458 [2020-07-07 13:51:48,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:51:48,180 INFO L225 Difference]: With dead ends: 13157 [2020-07-07 13:51:48,180 INFO L226 Difference]: Without dead ends: 7341 [2020-07-07 13:51:48,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 567 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=411, Invalid=1845, Unknown=0, NotChecked=0, Total=2256 [2020-07-07 13:51:48,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7341 states. [2020-07-07 13:51:48,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7341 to 6377. [2020-07-07 13:51:48,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6377 states. [2020-07-07 13:51:48,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6377 states to 6377 states and 7376 transitions. [2020-07-07 13:51:48,978 INFO L78 Accepts]: Start accepts. Automaton has 6377 states and 7376 transitions. Word has length 458 [2020-07-07 13:51:48,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:51:48,979 INFO L479 AbstractCegarLoop]: Abstraction has 6377 states and 7376 transitions. [2020-07-07 13:51:48,979 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-07-07 13:51:48,979 INFO L276 IsEmpty]: Start isEmpty. Operand 6377 states and 7376 transitions. [2020-07-07 13:51:48,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2020-07-07 13:51:48,989 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:51:48,990 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:51:48,990 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-07 13:51:48,990 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:51:48,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:51:48,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1340088570, now seen corresponding path program 1 times [2020-07-07 13:51:48,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:51:48,991 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2079139257] [2020-07-07 13:51:48,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:51:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:49,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:51:49,724 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:51:49,724 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2079139257] [2020-07-07 13:51:49,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:51:49,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-07-07 13:51:49,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975128157] [2020-07-07 13:51:49,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-07 13:51:49,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:51:49,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-07 13:51:49,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2020-07-07 13:51:49,726 INFO L87 Difference]: Start difference. First operand 6377 states and 7376 transitions. Second operand 15 states. [2020-07-07 13:51:55,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:51:55,923 INFO L93 Difference]: Finished difference Result 14816 states and 17293 transitions. [2020-07-07 13:51:55,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-07-07 13:51:55,925 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 468 [2020-07-07 13:51:55,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:51:55,973 INFO L225 Difference]: With dead ends: 14816 [2020-07-07 13:51:55,973 INFO L226 Difference]: Without dead ends: 8609 [2020-07-07 13:51:55,994 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 578 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=456, Invalid=1800, Unknown=0, NotChecked=0, Total=2256 [2020-07-07 13:51:56,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8609 states. [2020-07-07 13:51:56,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8609 to 7395. [2020-07-07 13:51:56,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7395 states. [2020-07-07 13:51:56,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7395 states to 7395 states and 8451 transitions. [2020-07-07 13:51:56,837 INFO L78 Accepts]: Start accepts. Automaton has 7395 states and 8451 transitions. Word has length 468 [2020-07-07 13:51:56,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:51:56,837 INFO L479 AbstractCegarLoop]: Abstraction has 7395 states and 8451 transitions. [2020-07-07 13:51:56,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-07 13:51:56,838 INFO L276 IsEmpty]: Start isEmpty. Operand 7395 states and 8451 transitions. [2020-07-07 13:51:56,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2020-07-07 13:51:56,853 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:51:56,853 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:51:56,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-07 13:51:56,853 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:51:56,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:51:56,854 INFO L82 PathProgramCache]: Analyzing trace with hash -968828418, now seen corresponding path program 1 times [2020-07-07 13:51:56,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:51:56,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1962317055] [2020-07-07 13:51:56,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:51:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:57,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:57,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:51:57,715 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:51:57,715 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1962317055] [2020-07-07 13:51:57,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:51:57,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2020-07-07 13:51:57,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447683695] [2020-07-07 13:51:57,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-07-07 13:51:57,717 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:51:57,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-07-07 13:51:57,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2020-07-07 13:51:57,722 INFO L87 Difference]: Start difference. First operand 7395 states and 8451 transitions. Second operand 21 states. [2020-07-07 13:52:06,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:52:06,683 INFO L93 Difference]: Finished difference Result 17790 states and 20504 transitions. [2020-07-07 13:52:06,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-07-07 13:52:06,683 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 476 [2020-07-07 13:52:06,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:52:06,696 INFO L225 Difference]: With dead ends: 17790 [2020-07-07 13:52:06,696 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 13:52:06,725 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1613 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1490, Invalid=4060, Unknown=0, NotChecked=0, Total=5550 [2020-07-07 13:52:06,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 13:52:06,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 13:52:06,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 13:52:06,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 13:52:06,726 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 476 [2020-07-07 13:52:06,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:52:06,727 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 13:52:06,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-07-07 13:52:06,727 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 13:52:06,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 13:52:06,727 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-07 13:52:06,729 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 13:52:08,385 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2020-07-07 13:52:13,837 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 53 [2020-07-07 13:52:18,787 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 320 [2020-07-07 13:52:19,446 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 320 [2020-07-07 13:52:20,091 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 320 [2020-07-07 13:52:22,001 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2020-07-07 13:52:32,283 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2020-07-07 13:52:34,326 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 320 [2020-07-07 13:53:32,962 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 320 [2020-07-07 13:54:14,681 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 320 [2020-07-07 13:54:15,387 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 320 [2020-07-07 13:54:16,054 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 320 [2020-07-07 13:54:16,719 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 320 [2020-07-07 13:55:02,916 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 320 [2020-07-07 13:55:14,306 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 65 [2020-07-07 13:55:15,770 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 248 DAG size of output: 87 [2020-07-07 13:55:16,804 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 242 DAG size of output: 62 [2020-07-07 13:55:17,832 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 224 DAG size of output: 59 [2020-07-07 13:55:18,709 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 55 [2020-07-07 13:55:19,718 WARN L193 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 64 [2020-07-07 13:55:21,347 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:55:22,311 WARN L193 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 62 [2020-07-07 13:55:23,660 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 245 DAG size of output: 81 [2020-07-07 13:55:24,866 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 240 DAG size of output: 69 [2020-07-07 13:55:26,431 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:55:27,993 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:55:29,451 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 251 DAG size of output: 79 [2020-07-07 13:55:30,609 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 242 DAG size of output: 65 [2020-07-07 13:55:31,673 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 252 DAG size of output: 63 [2020-07-07 13:55:32,870 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 262 DAG size of output: 57 [2020-07-07 13:55:34,291 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 286 DAG size of output: 75 [2020-07-07 13:55:35,637 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 248 DAG size of output: 83 [2020-07-07 13:55:36,795 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 245 DAG size of output: 74 [2020-07-07 13:55:38,191 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 268 DAG size of output: 66 [2020-07-07 13:55:39,327 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 232 DAG size of output: 75 [2020-07-07 13:55:40,412 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 252 DAG size of output: 61 [2020-07-07 13:55:41,590 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 238 DAG size of output: 70 [2020-07-07 13:55:42,723 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 238 DAG size of output: 65 [2020-07-07 13:55:44,087 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 255 DAG size of output: 62 [2020-07-07 13:55:45,297 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 241 DAG size of output: 74 [2020-07-07 13:55:46,841 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 269 DAG size of output: 51 [2020-07-07 13:55:48,315 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 269 DAG size of output: 51 [2020-07-07 13:55:49,797 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 269 DAG size of output: 51 [2020-07-07 13:55:51,068 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 233 DAG size of output: 67 [2020-07-07 13:55:52,268 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 261 DAG size of output: 58 [2020-07-07 13:55:53,833 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:55:55,376 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 13:55:56,427 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 13:55:57,516 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 13:55:58,575 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 13:56:00,072 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 13:56:01,195 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 231 DAG size of output: 58 [2020-07-07 13:56:02,706 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 13:56:04,287 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:56:05,389 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 13:56:06,433 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 234 DAG size of output: 56 [2020-07-07 13:56:07,961 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 13:56:09,473 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 13:56:10,570 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 13:56:12,104 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 13:56:13,620 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 13:56:15,204 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 13:56:16,344 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 13:56:17,437 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 13:56:18,539 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 13:56:20,068 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 13:56:21,183 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 13:56:22,740 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 13:56:24,228 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 269 DAG size of output: 51 [2020-07-07 13:56:25,503 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 246 DAG size of output: 78 [2020-07-07 13:56:27,128 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:56:28,742 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:56:30,380 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:56:31,923 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 248 DAG size of output: 87 [2020-07-07 13:56:33,526 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:56:35,115 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:56:36,490 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 238 DAG size of output: 75 [2020-07-07 13:56:37,612 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 246 DAG size of output: 57 [2020-07-07 13:56:38,867 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 246 DAG size of output: 64 [2020-07-07 13:56:40,111 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 239 DAG size of output: 72 [2020-07-07 13:56:41,296 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 237 DAG size of output: 71 [2020-07-07 13:56:42,916 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:56:44,572 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:56:45,817 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 240 DAG size of output: 69 [2020-07-07 13:56:47,463 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:56:49,008 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 248 DAG size of output: 87 [2020-07-07 13:56:50,470 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 256 DAG size of output: 80 [2020-07-07 13:56:51,714 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 232 DAG size of output: 74 [2020-07-07 13:56:53,028 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 239 DAG size of output: 66 [2020-07-07 13:56:54,663 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:56:55,973 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 245 DAG size of output: 71 [2020-07-07 13:56:57,629 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:56:58,673 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 255 DAG size of output: 59 [2020-07-07 13:57:00,187 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 282 DAG size of output: 75 [2020-07-07 13:57:01,307 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 250 DAG size of output: 58 [2020-07-07 13:57:02,592 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 241 DAG size of output: 80 [2020-07-07 13:57:04,228 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:57:05,894 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:57:06,949 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 237 DAG size of output: 66 [2020-07-07 13:57:08,174 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 268 DAG size of output: 61 [2020-07-07 13:57:09,582 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 246 DAG size of output: 64 [2020-07-07 13:57:10,592 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 64 [2020-07-07 13:57:12,081 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 244 DAG size of output: 85 [2020-07-07 13:57:13,048 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 57 [2020-07-07 13:57:14,741 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:57:15,894 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 13:57:17,484 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 13:57:18,726 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 237 DAG size of output: 75 [2020-07-07 13:57:20,391 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:57:21,523 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 260 DAG size of output: 56 [2020-07-07 13:57:22,671 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 256 DAG size of output: 62 [2020-07-07 13:57:24,359 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:57:25,418 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 255 DAG size of output: 59 [2020-07-07 13:57:26,906 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 282 DAG size of output: 75 [2020-07-07 13:57:27,917 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 56 [2020-07-07 13:57:29,098 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 264 DAG size of output: 56 [2020-07-07 13:57:30,649 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 248 DAG size of output: 91 [2020-07-07 13:57:32,146 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 242 DAG size of output: 74 [2020-07-07 13:57:33,257 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 234 DAG size of output: 62 [2020-07-07 13:57:34,902 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:57:36,058 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 235 DAG size of output: 63 [2020-07-07 13:57:37,220 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 255 DAG size of output: 58 [2020-07-07 13:57:38,886 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:57:40,546 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:57:41,727 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 13:57:42,846 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 241 DAG size of output: 65 [2020-07-07 13:57:43,993 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 13:57:45,183 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 238 DAG size of output: 65 [2020-07-07 13:57:46,434 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 244 DAG size of output: 69 [2020-07-07 13:57:47,929 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 268 DAG size of output: 66 [2020-07-07 13:57:49,397 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 246 DAG size of output: 72 [2020-07-07 13:57:50,482 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 244 DAG size of output: 64 [2020-07-07 13:57:51,727 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 270 DAG size of output: 61 [2020-07-07 13:57:53,351 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 13:57:54,937 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 13:57:56,054 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 13:57:57,172 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 234 DAG size of output: 56 [2020-07-07 13:57:58,344 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 13:57:59,957 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 13:58:01,130 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 13:58:02,750 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 13:58:04,366 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 13:58:05,701 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 250 DAG size of output: 76 [2020-07-07 13:58:06,893 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 240 DAG size of output: 68 [2020-07-07 13:58:07,925 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 234 DAG size of output: 58 [2020-07-07 13:58:09,644 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:58:10,885 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 246 DAG size of output: 62 [2020-07-07 13:58:12,110 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 238 DAG size of output: 61 [2020-07-07 13:58:13,193 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 243 DAG size of output: 67 [2020-07-07 13:58:14,548 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 243 DAG size of output: 81 [2020-07-07 13:58:15,694 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 245 DAG size of output: 55 [2020-07-07 13:58:17,406 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 240 DAG size of output: 69 [2020-07-07 13:58:19,083 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:58:20,648 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 282 DAG size of output: 75 [2020-07-07 13:58:21,832 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 255 DAG size of output: 61 [2020-07-07 13:58:23,358 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 250 DAG size of output: 77 [2020-07-07 13:58:24,578 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 270 DAG size of output: 61 [2020-07-07 13:58:25,735 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 226 DAG size of output: 60 [2020-07-07 13:58:26,780 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 239 DAG size of output: 57 [2020-07-07 13:58:28,497 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:58:30,204 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:58:31,962 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:58:33,641 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:58:34,918 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 245 DAG size of output: 58 [2020-07-07 13:58:36,627 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:58:37,644 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 236 DAG size of output: 55 [2020-07-07 13:58:38,921 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 252 DAG size of output: 62 [2020-07-07 13:58:40,199 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 249 DAG size of output: 62 [2020-07-07 13:58:41,895 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:58:43,359 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 238 DAG size of output: 69 [2020-07-07 13:58:45,050 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:58:46,754 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:58:47,921 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 239 DAG size of output: 58 [2020-07-07 13:58:49,661 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:58:50,929 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 235 DAG size of output: 73 [2020-07-07 13:58:52,272 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 244 DAG size of output: 75 [2020-07-07 13:58:53,325 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 230 DAG size of output: 63 [2020-07-07 13:58:55,033 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:58:56,206 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 255 DAG size of output: 61 [2020-07-07 13:58:57,318 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 226 DAG size of output: 60 [2020-07-07 13:58:59,038 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:59:00,613 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 282 DAG size of output: 75 [2020-07-07 13:59:02,121 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 250 DAG size of output: 77 [2020-07-07 13:59:03,243 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 250 DAG size of output: 59 [2020-07-07 13:59:04,276 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 239 DAG size of output: 63 [2020-07-07 13:59:06,079 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 249 DAG size of output: 82 [2020-07-07 13:59:07,030 WARN L193 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 47 [2020-07-07 13:59:08,245 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 13:59:09,899 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 13:59:11,578 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 13:59:12,767 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 13:59:14,003 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 247 DAG size of output: 59 [2020-07-07 13:59:15,284 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 247 DAG size of output: 66 [2020-07-07 13:59:16,508 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 231 DAG size of output: 58 [2020-07-07 13:59:17,764 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 246 DAG size of output: 74 [2020-07-07 13:59:19,321 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 250 DAG size of output: 77 [2020-07-07 13:59:20,797 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 246 DAG size of output: 73 [2020-07-07 13:59:21,990 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 244 DAG size of output: 65 [2020-07-07 13:59:23,671 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 13:59:25,325 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 13:59:26,544 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 13:59:27,712 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 13:59:28,942 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 13:59:30,628 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 13:59:31,801 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 234 DAG size of output: 56 [2020-07-07 13:59:32,971 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 234 DAG size of output: 56 [2020-07-07 13:59:34,645 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 13:59:35,881 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 13:59:37,572 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 13:59:39,255 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 13:59:40,438 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 234 DAG size of output: 56 [2020-07-07 13:59:42,203 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:59:43,426 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 245 DAG size of output: 65 [2020-07-07 13:59:45,212 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 13:59:46,909 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 13:59:48,598 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 13:59:50,356 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 13:59:51,595 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 13:59:52,673 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 237 DAG size of output: 61 [2020-07-07 13:59:54,385 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 269 DAG size of output: 51 [2020-07-07 13:59:55,409 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 224 DAG size of output: 55 [2020-07-07 13:59:57,264 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 249 DAG size of output: 82 [2020-07-07 13:59:59,365 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 278 DAG size of output: 76 [2020-07-07 14:00:00,745 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 238 DAG size of output: 70 [2020-07-07 14:00:02,207 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 232 DAG size of output: 70 [2020-07-07 14:00:03,349 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 241 DAG size of output: 62 [2020-07-07 14:00:04,640 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 239 DAG size of output: 61 [2020-07-07 14:00:05,990 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 262 DAG size of output: 57 [2020-07-07 14:00:07,488 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 249 DAG size of output: 78 [2020-07-07 14:00:08,771 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 239 DAG size of output: 68 [2020-07-07 14:00:10,259 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 235 DAG size of output: 67 [2020-07-07 14:00:11,958 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 249 DAG size of output: 82 [2020-07-07 14:00:13,638 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 14:00:14,980 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 249 DAG size of output: 62 [2020-07-07 14:00:16,813 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 14:00:18,955 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 282 DAG size of output: 76 [2020-07-07 14:00:20,484 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 269 DAG size of output: 70 [2020-07-07 14:00:21,863 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 244 DAG size of output: 74 [2020-07-07 14:00:23,684 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 14:00:25,101 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 244 DAG size of output: 75 [2020-07-07 14:00:26,756 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 14:00:27,918 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 234 DAG size of output: 56 [2020-07-07 14:00:29,613 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 14:00:30,852 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 14:00:32,297 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 241 DAG size of output: 74 [2020-07-07 14:00:33,451 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 241 DAG size of output: 62 [2020-07-07 14:00:34,669 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 244 DAG size of output: 62 [2020-07-07 14:00:35,667 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 58 [2020-07-07 14:00:37,364 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 14:00:39,039 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 268 DAG size of output: 66 [2020-07-07 14:00:40,248 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 241 DAG size of output: 55 [2020-07-07 14:00:41,785 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 269 DAG size of output: 70 [2020-07-07 14:00:43,260 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 246 DAG size of output: 78 [2020-07-07 14:00:44,449 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 248 DAG size of output: 66 [2020-07-07 14:00:45,695 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 231 DAG size of output: 60 [2020-07-07 14:00:46,932 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 234 DAG size of output: 56 [2020-07-07 14:00:48,698 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 14:00:50,439 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 14:00:52,155 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 14:00:53,423 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 14:00:54,659 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 14:00:55,909 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 14:00:57,613 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 14:00:59,303 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 14:01:00,987 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 14:01:02,161 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 242 DAG size of output: 62 [2020-07-07 14:01:03,424 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 252 DAG size of output: 62 [2020-07-07 14:01:04,771 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 235 DAG size of output: 67 [2020-07-07 14:01:06,655 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 14:01:07,893 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 235 DAG size of output: 61 [2020-07-07 14:01:09,357 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 268 DAG size of output: 59 [2020-07-07 14:01:11,252 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 14:01:13,149 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 14:01:15,057 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 14:01:16,167 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 228 DAG size of output: 56 [2020-07-07 14:01:17,741 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 245 DAG size of output: 68 [2020-07-07 14:01:19,031 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 245 DAG size of output: 62 [2020-07-07 14:01:20,435 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 243 DAG size of output: 73 [2020-07-07 14:01:22,284 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 14:01:23,565 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 240 DAG size of output: 65 [2020-07-07 14:01:25,111 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 261 DAG size of output: 59 [2020-07-07 14:01:25,217 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 31 [2020-07-07 14:01:26,550 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 231 DAG size of output: 58 [2020-07-07 14:01:27,818 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 14:01:29,560 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 14:01:30,844 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 14:01:32,569 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 14:01:34,325 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 14:01:36,106 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 14:01:37,365 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 14:01:38,628 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 234 DAG size of output: 56 [2020-07-07 14:01:39,906 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 14:01:41,120 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 232 DAG size of output: 59 [2020-07-07 14:01:43,082 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 14:01:44,995 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 14:01:46,957 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 14:01:48,829 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 247 DAG size of output: 77 [2020-07-07 14:01:50,689 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 14:01:51,968 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 231 DAG size of output: 66 [2020-07-07 14:01:53,007 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 236 DAG size of output: 58 [2020-07-07 14:01:54,810 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 14:01:56,106 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 244 DAG size of output: 65 [2020-07-07 14:01:57,524 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 264 DAG size of output: 62 [2020-07-07 14:01:59,479 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 14:02:01,433 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 14:02:03,001 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 250 DAG size of output: 65 [2020-07-07 14:02:04,448 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 268 DAG size of output: 61 [2020-07-07 14:02:05,702 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 228 DAG size of output: 62 [2020-07-07 14:02:08,628 WARN L193 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 14:02:10,547 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 14:02:11,928 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 264 DAG size of output: 56 [2020-07-07 14:02:13,397 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 270 DAG size of output: 61 [2020-07-07 14:02:15,311 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 14:02:16,541 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 238 DAG size of output: 57 [2020-07-07 14:02:18,117 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 240 DAG size of output: 71 [2020-07-07 14:02:19,295 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 239 DAG size of output: 59 [2020-07-07 14:02:21,226 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 14:02:22,619 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 235 DAG size of output: 79 [2020-07-07 14:02:23,971 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 234 DAG size of output: 64 [2020-07-07 14:02:25,382 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 247 DAG size of output: 68 [2020-07-07 14:02:26,617 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 234 DAG size of output: 62 [2020-07-07 14:02:28,367 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 14:02:30,142 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 269 DAG size of output: 51 [2020-07-07 14:02:31,926 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 269 DAG size of output: 51 [2020-07-07 14:02:33,680 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 269 DAG size of output: 51 [2020-07-07 14:02:35,441 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 269 DAG size of output: 51 [2020-07-07 14:03:06,643 WARN L193 SmtUtils]: Spent 31.18 s on a formula simplification. DAG size of input: 676 DAG size of output: 276 [2020-07-07 14:03:08,495 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 340 DAG size of output: 54 [2020-07-07 14:03:44,748 WARN L193 SmtUtils]: Spent 36.19 s on a formula simplification. DAG size of input: 676 DAG size of output: 276 [2020-07-07 14:03:46,190 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 254 DAG size of output: 61 [2020-07-07 14:03:47,533 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 234 DAG size of output: 59 [2020-07-07 14:03:49,527 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 345 DAG size of output: 61 [2020-07-07 14:03:51,151 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 267 DAG size of output: 61 [2020-07-07 14:03:52,791 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 261 DAG size of output: 59