/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_label45.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 13:50:53,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 13:50:53,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 13:50:53,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-07 13:50:53,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 13:50:53,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 13:50:53,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 13:50:53,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 13:50:53,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 13:50:53,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 13:50:53,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 13:50:53,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 13:50:53,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 13:50:53,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 13:50:53,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 13:50:53,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 13:50:53,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 13:50:53,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 13:50:53,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 13:50:53,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 13:50:53,880 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 13:50:53,910 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 13:50:53,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 13:50:53,912 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 13:50:53,913 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 13:50:53,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 13:50:53,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 13:50:53,913 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 13:50:53,913 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 13:50:53,913 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 13:50:53,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 13:50:53,914 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 13:50:53,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 13:50:53,914 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 13:50:53,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 13:50:53,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 13:50:53,915 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 13:50:53,915 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 13:50:53,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 13:50:53,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 13:50:53,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 13:50:53,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 13:50:53,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 13:50:53,920 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 13:50:54,201 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 13:50:54,210 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 13:50:54,215 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 13:50:54,217 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 13:50:54,217 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 13:50:54,218 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-07-07 13:50:54,290 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a41f7ba9/fbba4cd3b3f44a68913d139dbe4dcdb5/FLAG243c917ba [2020-07-07 13:50:54,877 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 13:50:54,878 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label45.c [2020-07-07 13:50:54,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a41f7ba9/fbba4cd3b3f44a68913d139dbe4dcdb5/FLAG243c917ba [2020-07-07 13:50:55,158 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a41f7ba9/fbba4cd3b3f44a68913d139dbe4dcdb5 [2020-07-07 13:50:55,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 13:50:55,169 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 13:50:55,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 13:50:55,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 13:50:55,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 13:50:55,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 01:50:55" (1/1) ... [2020-07-07 13:50:55,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53131d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:50:55, skipping insertion in model container [2020-07-07 13:50:55,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 01:50:55" (1/1) ... [2020-07-07 13:50:55,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 13:50:55,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 13:50:55,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 13:50:55,828 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 13:50:55,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 13:50:55,955 INFO L208 MainTranslator]: Completed translation [2020-07-07 13:50:55,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:50:55 WrapperNode [2020-07-07 13:50:55,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 13:50:55,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 13:50:55,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 13:50:55,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 13:50:55,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:50:55" (1/1) ... [2020-07-07 13:50:55,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:50:55" (1/1) ... [2020-07-07 13:50:55,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:50:55" (1/1) ... [2020-07-07 13:50:55,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:50:55" (1/1) ... [2020-07-07 13:50:56,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:50:55" (1/1) ... [2020-07-07 13:50:56,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:50:55" (1/1) ... [2020-07-07 13:50:56,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:50:55" (1/1) ... [2020-07-07 13:50:56,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 13:50:56,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 13:50:56,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 13:50:56,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 13:50:56,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:50:55" (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 13:50:56,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 13:50:56,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 13:50:56,156 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-07 13:50:56,156 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 13:50:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-07 13:50:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 13:50:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 13:50:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-07 13:50:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 13:50:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 13:50:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 13:50:57,683 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 13:50:57,683 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-07 13:50:57,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 01:50:57 BoogieIcfgContainer [2020-07-07 13:50:57,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 13:50:57,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 13:50:57,693 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 13:50:57,696 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 13:50:57,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 01:50:55" (1/3) ... [2020-07-07 13:50:57,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac44dfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 01:50:57, skipping insertion in model container [2020-07-07 13:50:57,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 01:50:55" (2/3) ... [2020-07-07 13:50:57,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac44dfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 01:50:57, skipping insertion in model container [2020-07-07 13:50:57,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 01:50:57" (3/3) ... [2020-07-07 13:50:57,700 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label45.c [2020-07-07 13:50:57,710 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 13:50:57,719 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 13:50:57,734 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 13:50:57,756 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 13:50:57,756 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 13:50:57,756 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 13:50:57,757 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 13:50:57,757 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 13:50:57,757 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 13:50:57,757 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 13:50:57,757 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 13:50:57,780 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states. [2020-07-07 13:50:57,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-07 13:50:57,792 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:50:57,794 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] [2020-07-07 13:50:57,794 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:50:57,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:50:57,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1037847345, now seen corresponding path program 1 times [2020-07-07 13:50:57,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:50:57,808 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [544844145] [2020-07-07 13:50:57,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:50:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:50:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:50:58,264 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 13:50:58,265 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:50:58,267 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [544844145] [2020-07-07 13:50:58,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:50:58,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 13:50:58,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459381575] [2020-07-07 13:50:58,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 13:50:58,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:50:58,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 13:50:58,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 13:50:58,303 INFO L87 Difference]: Start difference. First operand 456 states. Second operand 5 states. [2020-07-07 13:51:01,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:51:01,045 INFO L93 Difference]: Finished difference Result 1246 states and 1816 transitions. [2020-07-07 13:51:01,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 13:51:01,047 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-07-07 13:51:01,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:51:01,088 INFO L225 Difference]: With dead ends: 1246 [2020-07-07 13:51:01,088 INFO L226 Difference]: Without dead ends: 727 [2020-07-07 13:51:01,106 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 13:51:01,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2020-07-07 13:51:01,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 697. [2020-07-07 13:51:01,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2020-07-07 13:51:01,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 849 transitions. [2020-07-07 13:51:01,321 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 849 transitions. Word has length 57 [2020-07-07 13:51:01,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:51:01,323 INFO L479 AbstractCegarLoop]: Abstraction has 697 states and 849 transitions. [2020-07-07 13:51:01,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 13:51:01,323 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 849 transitions. [2020-07-07 13:51:01,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-07 13:51:01,344 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:51:01,344 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:51:01,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 13:51:01,345 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:51:01,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:51:01,346 INFO L82 PathProgramCache]: Analyzing trace with hash -861467326, now seen corresponding path program 1 times [2020-07-07 13:51:01,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:51:01,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2049574683] [2020-07-07 13:51:01,347 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:51:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:01,755 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 13:51:01,755 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:51:01,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2049574683] [2020-07-07 13:51:01,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:51:01,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 13:51:01,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517588169] [2020-07-07 13:51:01,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 13:51:01,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:51:01,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 13:51:01,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-07 13:51:01,759 INFO L87 Difference]: Start difference. First operand 697 states and 849 transitions. Second operand 9 states. [2020-07-07 13:51:05,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:51:05,247 INFO L93 Difference]: Finished difference Result 2928 states and 3831 transitions. [2020-07-07 13:51:05,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-07 13:51:05,248 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 146 [2020-07-07 13:51:05,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:51:05,272 INFO L225 Difference]: With dead ends: 2928 [2020-07-07 13:51:05,272 INFO L226 Difference]: Without dead ends: 2246 [2020-07-07 13:51:05,280 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2020-07-07 13:51:05,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2246 states. [2020-07-07 13:51:05,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2246 to 1973. [2020-07-07 13:51:05,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1973 states. [2020-07-07 13:51:05,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1973 states to 1973 states and 2489 transitions. [2020-07-07 13:51:05,530 INFO L78 Accepts]: Start accepts. Automaton has 1973 states and 2489 transitions. Word has length 146 [2020-07-07 13:51:05,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:51:05,534 INFO L479 AbstractCegarLoop]: Abstraction has 1973 states and 2489 transitions. [2020-07-07 13:51:05,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 13:51:05,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1973 states and 2489 transitions. [2020-07-07 13:51:05,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-07-07 13:51:05,541 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:51:05,542 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:51:05,542 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 13:51:05,542 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:51:05,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:51:05,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1607523618, now seen corresponding path program 1 times [2020-07-07 13:51:05,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:51:05,544 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [945347008] [2020-07-07 13:51:05,544 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:51:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:05,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:06,055 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 13:51:06,056 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:51:06,057 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [945347008] [2020-07-07 13:51:06,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:51:06,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 13:51:06,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881720254] [2020-07-07 13:51:06,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 13:51:06,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:51:06,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 13:51:06,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-07 13:51:06,063 INFO L87 Difference]: Start difference. First operand 1973 states and 2489 transitions. Second operand 6 states. [2020-07-07 13:51:08,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:51:08,188 INFO L93 Difference]: Finished difference Result 3949 states and 5245 transitions. [2020-07-07 13:51:08,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 13:51:08,189 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 203 [2020-07-07 13:51:08,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:51:08,263 INFO L225 Difference]: With dead ends: 3949 [2020-07-07 13:51:08,269 INFO L226 Difference]: Without dead ends: 3947 [2020-07-07 13:51:08,274 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-07-07 13:51:08,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3947 states. [2020-07-07 13:51:08,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3947 to 2745. [2020-07-07 13:51:08,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2745 states. [2020-07-07 13:51:08,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2745 states to 2745 states and 3620 transitions. [2020-07-07 13:51:08,591 INFO L78 Accepts]: Start accepts. Automaton has 2745 states and 3620 transitions. Word has length 203 [2020-07-07 13:51:08,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:51:08,593 INFO L479 AbstractCegarLoop]: Abstraction has 2745 states and 3620 transitions. [2020-07-07 13:51:08,593 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 13:51:08,594 INFO L276 IsEmpty]: Start isEmpty. Operand 2745 states and 3620 transitions. [2020-07-07 13:51:08,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-07-07 13:51:08,601 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:51:08,602 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, 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] [2020-07-07 13:51:08,602 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 13:51:08,602 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:51:08,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:51:08,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1687252463, now seen corresponding path program 1 times [2020-07-07 13:51:08,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:51:08,603 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [25724282] [2020-07-07 13:51:08,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:51:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:08,995 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 13:51:08,995 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:51:08,996 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [25724282] [2020-07-07 13:51:08,996 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:51:08,996 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 13:51:08,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140892518] [2020-07-07 13:51:08,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 13:51:08,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:51:08,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 13:51:08,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-07-07 13:51:08,999 INFO L87 Difference]: Start difference. First operand 2745 states and 3620 transitions. Second operand 11 states. [2020-07-07 13:51:13,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:51:13,554 INFO L93 Difference]: Finished difference Result 6619 states and 8736 transitions. [2020-07-07 13:51:13,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-07 13:51:13,558 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 225 [2020-07-07 13:51:13,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:51:13,590 INFO L225 Difference]: With dead ends: 6619 [2020-07-07 13:51:13,591 INFO L226 Difference]: Without dead ends: 3889 [2020-07-07 13:51:13,603 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 13:51:13,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3889 states. [2020-07-07 13:51:13,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3889 to 3107. [2020-07-07 13:51:13,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3107 states. [2020-07-07 13:51:13,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3107 states to 3107 states and 3904 transitions. [2020-07-07 13:51:13,935 INFO L78 Accepts]: Start accepts. Automaton has 3107 states and 3904 transitions. Word has length 225 [2020-07-07 13:51:13,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:51:13,935 INFO L479 AbstractCegarLoop]: Abstraction has 3107 states and 3904 transitions. [2020-07-07 13:51:13,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 13:51:13,935 INFO L276 IsEmpty]: Start isEmpty. Operand 3107 states and 3904 transitions. [2020-07-07 13:51:13,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-07-07 13:51:13,944 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:51:13,944 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, 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] [2020-07-07 13:51:13,944 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 13:51:13,945 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:51:13,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:51:13,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1157062660, now seen corresponding path program 1 times [2020-07-07 13:51:13,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:51:13,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2014048242] [2020-07-07 13:51:13,946 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:51:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:14,416 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 13:51:14,417 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:51:14,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2014048242] [2020-07-07 13:51:14,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:51:14,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 13:51:14,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049711421] [2020-07-07 13:51:14,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 13:51:14,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:51:14,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 13:51:14,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-07-07 13:51:14,421 INFO L87 Difference]: Start difference. First operand 3107 states and 3904 transitions. Second operand 9 states. [2020-07-07 13:51:17,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:51:17,050 INFO L93 Difference]: Finished difference Result 7113 states and 9299 transitions. [2020-07-07 13:51:17,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-07 13:51:17,057 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 245 [2020-07-07 13:51:17,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:51:17,094 INFO L225 Difference]: With dead ends: 7113 [2020-07-07 13:51:17,094 INFO L226 Difference]: Without dead ends: 4021 [2020-07-07 13:51:17,107 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 13:51:17,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4021 states. [2020-07-07 13:51:17,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4021 to 3727. [2020-07-07 13:51:17,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3727 states. [2020-07-07 13:51:17,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3727 states to 3727 states and 4585 transitions. [2020-07-07 13:51:17,511 INFO L78 Accepts]: Start accepts. Automaton has 3727 states and 4585 transitions. Word has length 245 [2020-07-07 13:51:17,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:51:17,513 INFO L479 AbstractCegarLoop]: Abstraction has 3727 states and 4585 transitions. [2020-07-07 13:51:17,513 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 13:51:17,513 INFO L276 IsEmpty]: Start isEmpty. Operand 3727 states and 4585 transitions. [2020-07-07 13:51:17,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-07-07 13:51:17,526 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:51:17,527 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:51:17,527 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 13:51:17,527 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:51:17,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:51:17,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1962116336, now seen corresponding path program 1 times [2020-07-07 13:51:17,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:51:17,528 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [237471198] [2020-07-07 13:51:17,528 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:51:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:18,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:51:18,050 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:51:18,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [237471198] [2020-07-07 13:51:18,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:51:18,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 13:51:18,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008840029] [2020-07-07 13:51:18,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 13:51:18,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:51:18,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 13:51:18,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-07-07 13:51:18,054 INFO L87 Difference]: Start difference. First operand 3727 states and 4585 transitions. Second operand 8 states. [2020-07-07 13:51:21,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:51:21,134 INFO L93 Difference]: Finished difference Result 8573 states and 11209 transitions. [2020-07-07 13:51:21,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 13:51:21,134 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 308 [2020-07-07 13:51:21,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:51:21,189 INFO L225 Difference]: With dead ends: 8573 [2020-07-07 13:51:21,192 INFO L226 Difference]: Without dead ends: 4861 [2020-07-07 13:51:21,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 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 13:51:21,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4861 states. [2020-07-07 13:51:21,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4861 to 4671. [2020-07-07 13:51:21,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4671 states. [2020-07-07 13:51:21,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4671 states to 4671 states and 6248 transitions. [2020-07-07 13:51:21,924 INFO L78 Accepts]: Start accepts. Automaton has 4671 states and 6248 transitions. Word has length 308 [2020-07-07 13:51:21,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:51:21,925 INFO L479 AbstractCegarLoop]: Abstraction has 4671 states and 6248 transitions. [2020-07-07 13:51:21,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 13:51:21,925 INFO L276 IsEmpty]: Start isEmpty. Operand 4671 states and 6248 transitions. [2020-07-07 13:51:21,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-07-07 13:51:21,945 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:51:21,945 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:51:21,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 13:51:21,946 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:51:21,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:51:21,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1639235331, now seen corresponding path program 1 times [2020-07-07 13:51:21,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:51:21,947 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1087258709] [2020-07-07 13:51:21,947 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:51:22,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:22,350 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 13:51:22,350 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:51:22,351 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1087258709] [2020-07-07 13:51:22,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:51:22,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 13:51:22,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767504016] [2020-07-07 13:51:22,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 13:51:22,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:51:22,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 13:51:22,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-07 13:51:22,353 INFO L87 Difference]: Start difference. First operand 4671 states and 6248 transitions. Second operand 8 states. [2020-07-07 13:51:24,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:51:24,576 INFO L93 Difference]: Finished difference Result 9512 states and 12751 transitions. [2020-07-07 13:51:24,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 13:51:24,577 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 315 [2020-07-07 13:51:24,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:51:24,620 INFO L225 Difference]: With dead ends: 9512 [2020-07-07 13:51:24,621 INFO L226 Difference]: Without dead ends: 4856 [2020-07-07 13:51:24,651 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 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 13:51:24,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4856 states. [2020-07-07 13:51:25,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4856 to 4331. [2020-07-07 13:51:25,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4331 states. [2020-07-07 13:51:25,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4331 states to 4331 states and 5769 transitions. [2020-07-07 13:51:25,134 INFO L78 Accepts]: Start accepts. Automaton has 4331 states and 5769 transitions. Word has length 315 [2020-07-07 13:51:25,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:51:25,135 INFO L479 AbstractCegarLoop]: Abstraction has 4331 states and 5769 transitions. [2020-07-07 13:51:25,135 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 13:51:25,135 INFO L276 IsEmpty]: Start isEmpty. Operand 4331 states and 5769 transitions. [2020-07-07 13:51:25,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2020-07-07 13:51:25,149 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:51:25,149 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:51:25,149 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 13:51:25,149 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:51:25,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:51:25,150 INFO L82 PathProgramCache]: Analyzing trace with hash 221321404, now seen corresponding path program 1 times [2020-07-07 13:51:25,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:51:25,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2004692524] [2020-07-07 13:51:25,151 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:51:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:25,971 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 13:51:25,972 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:51:25,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2004692524] [2020-07-07 13:51:25,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:51:25,973 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-07 13:51:25,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816076982] [2020-07-07 13:51:25,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-07 13:51:25,974 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:51:25,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-07 13:51:25,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-07-07 13:51:25,975 INFO L87 Difference]: Start difference. First operand 4331 states and 5769 transitions. Second operand 14 states. [2020-07-07 13:51:30,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:51:30,408 INFO L93 Difference]: Finished difference Result 10009 states and 13788 transitions. [2020-07-07 13:51:30,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-07 13:51:30,409 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 320 [2020-07-07 13:51:30,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:51:30,460 INFO L225 Difference]: With dead ends: 10009 [2020-07-07 13:51:30,461 INFO L226 Difference]: Without dead ends: 5843 [2020-07-07 13:51:30,486 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=221, Invalid=835, Unknown=0, NotChecked=0, Total=1056 [2020-07-07 13:51:30,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5843 states. [2020-07-07 13:51:31,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5843 to 5573. [2020-07-07 13:51:31,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5573 states. [2020-07-07 13:51:31,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5573 states to 5573 states and 7625 transitions. [2020-07-07 13:51:31,275 INFO L78 Accepts]: Start accepts. Automaton has 5573 states and 7625 transitions. Word has length 320 [2020-07-07 13:51:31,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:51:31,276 INFO L479 AbstractCegarLoop]: Abstraction has 5573 states and 7625 transitions. [2020-07-07 13:51:31,276 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-07 13:51:31,276 INFO L276 IsEmpty]: Start isEmpty. Operand 5573 states and 7625 transitions. [2020-07-07 13:51:31,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2020-07-07 13:51:31,295 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:51:31,296 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:51:31,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 13:51:31,296 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:51:31,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:51:31,297 INFO L82 PathProgramCache]: Analyzing trace with hash -2117887098, now seen corresponding path program 1 times [2020-07-07 13:51:31,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:51:31,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1713229249] [2020-07-07 13:51:31,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:51:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:31,769 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 13:51:31,769 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:51:31,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1713229249] [2020-07-07 13:51:31,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:51:31,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 13:51:31,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014343286] [2020-07-07 13:51:31,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 13:51:31,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:51:31,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 13:51:31,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-07-07 13:51:31,772 INFO L87 Difference]: Start difference. First operand 5573 states and 7625 transitions. Second operand 12 states. [2020-07-07 13:51:36,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:51:36,290 INFO L93 Difference]: Finished difference Result 14105 states and 19213 transitions. [2020-07-07 13:51:36,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-07 13:51:36,291 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 383 [2020-07-07 13:51:36,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:51:36,333 INFO L225 Difference]: With dead ends: 14105 [2020-07-07 13:51:36,333 INFO L226 Difference]: Without dead ends: 5935 [2020-07-07 13:51:36,369 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=111, Invalid=351, Unknown=0, NotChecked=0, Total=462 [2020-07-07 13:51:36,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5935 states. [2020-07-07 13:51:37,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5935 to 4733. [2020-07-07 13:51:37,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4733 states. [2020-07-07 13:51:37,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4733 states to 4733 states and 5640 transitions. [2020-07-07 13:51:37,054 INFO L78 Accepts]: Start accepts. Automaton has 4733 states and 5640 transitions. Word has length 383 [2020-07-07 13:51:37,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:51:37,055 INFO L479 AbstractCegarLoop]: Abstraction has 4733 states and 5640 transitions. [2020-07-07 13:51:37,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 13:51:37,055 INFO L276 IsEmpty]: Start isEmpty. Operand 4733 states and 5640 transitions. [2020-07-07 13:51:37,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2020-07-07 13:51:37,074 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:51:37,075 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, 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, 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 13:51:37,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 13:51:37,075 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:51:37,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:51:37,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1497559813, now seen corresponding path program 1 times [2020-07-07 13:51:37,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:51:37,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1483752828] [2020-07-07 13:51:37,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:51:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:38,184 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 13:51:38,185 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:51:38,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1483752828] [2020-07-07 13:51:38,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:51:38,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2020-07-07 13:51:38,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430881685] [2020-07-07 13:51:38,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-07-07 13:51:38,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:51:38,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-07-07 13:51:38,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=355, Unknown=0, NotChecked=0, Total=420 [2020-07-07 13:51:38,187 INFO L87 Difference]: Start difference. First operand 4733 states and 5640 transitions. Second operand 21 states. [2020-07-07 13:51:50,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:51:50,588 INFO L93 Difference]: Finished difference Result 12246 states and 15558 transitions. [2020-07-07 13:51:50,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-07-07 13:51:50,589 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 439 [2020-07-07 13:51:50,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:51:50,645 INFO L225 Difference]: With dead ends: 12246 [2020-07-07 13:51:50,646 INFO L226 Difference]: Without dead ends: 7852 [2020-07-07 13:51:50,666 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1223 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=648, Invalid=3512, Unknown=0, NotChecked=0, Total=4160 [2020-07-07 13:51:50,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7852 states. [2020-07-07 13:51:51,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7852 to 6475. [2020-07-07 13:51:51,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6475 states. [2020-07-07 13:51:51,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6475 states to 6475 states and 7645 transitions. [2020-07-07 13:51:51,468 INFO L78 Accepts]: Start accepts. Automaton has 6475 states and 7645 transitions. Word has length 439 [2020-07-07 13:51:51,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:51:51,469 INFO L479 AbstractCegarLoop]: Abstraction has 6475 states and 7645 transitions. [2020-07-07 13:51:51,469 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-07-07 13:51:51,469 INFO L276 IsEmpty]: Start isEmpty. Operand 6475 states and 7645 transitions. [2020-07-07 13:51:51,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2020-07-07 13:51:51,484 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:51:51,484 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, 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, 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 13:51:51,484 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-07 13:51:51,485 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:51:51,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:51:51,485 INFO L82 PathProgramCache]: Analyzing trace with hash -105143810, now seen corresponding path program 1 times [2020-07-07 13:51:51,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:51:51,485 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [781349194] [2020-07-07 13:51:51,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:51:51,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:51:52,558 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 13:51:52,558 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:51:52,559 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [781349194] [2020-07-07 13:51:52,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:51:52,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2020-07-07 13:51:52,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534338962] [2020-07-07 13:51:52,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-07-07 13:51:52,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:51:52,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-07-07 13:51:52,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2020-07-07 13:51:52,561 INFO L87 Difference]: Start difference. First operand 6475 states and 7645 transitions. Second operand 21 states. [2020-07-07 13:52:01,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:52:01,316 INFO L93 Difference]: Finished difference Result 16121 states and 19490 transitions. [2020-07-07 13:52:01,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-07-07 13:52:01,317 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 457 [2020-07-07 13:52:01,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:52:01,332 INFO L225 Difference]: With dead ends: 16121 [2020-07-07 13:52:01,332 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 13:52:01,380 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1479 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1384, Invalid=3728, Unknown=0, NotChecked=0, Total=5112 [2020-07-07 13:52:01,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 13:52:01,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 13:52:01,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 13:52:01,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 13:52:01,381 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 457 [2020-07-07 13:52:01,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:52:01,381 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 13:52:01,381 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-07-07 13:52:01,382 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 13:52:01,382 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 13:52:01,382 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-07 13:52:01,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 13:52:03,843 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2020-07-07 13:52:10,754 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2020-07-07 13:52:12,170 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 725 DAG size of output: 433 [2020-07-07 13:52:13,041 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 725 DAG size of output: 433 [2020-07-07 13:52:14,030 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 725 DAG size of output: 433 [2020-07-07 13:52:16,442 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-07-07 13:52:20,589 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2020-07-07 13:52:29,717 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 725 DAG size of output: 433 [2020-07-07 13:53:34,776 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 725 DAG size of output: 433 [2020-07-07 13:54:17,345 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 725 DAG size of output: 433 [2020-07-07 13:54:18,282 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 725 DAG size of output: 433 [2020-07-07 13:54:19,163 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 725 DAG size of output: 433 [2020-07-07 13:54:20,042 WARN L193 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 725 DAG size of output: 433 [2020-07-07 13:55:08,184 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 725 DAG size of output: 433 [2020-07-07 13:55:19,349 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 241 DAG size of output: 58 [2020-07-07 13:55:20,886 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 252 DAG size of output: 67 [2020-07-07 13:55:22,212 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 252 DAG size of output: 76 [2020-07-07 13:55:23,376 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 233 DAG size of output: 56 [2020-07-07 13:55:24,602 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 237 DAG size of output: 64 [2020-07-07 13:55:25,872 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 244 DAG size of output: 59 [2020-07-07 13:55:28,132 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:55:29,413 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 246 DAG size of output: 67 [2020-07-07 13:55:30,672 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 253 DAG size of output: 63 [2020-07-07 13:55:32,033 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 247 DAG size of output: 67 [2020-07-07 13:55:34,341 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:55:36,677 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:55:38,292 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 262 DAG size of output: 80 [2020-07-07 13:55:39,497 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 247 DAG size of output: 76 [2020-07-07 13:55:41,029 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 254 DAG size of output: 64 [2020-07-07 13:55:42,361 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 260 DAG size of output: 56 [2020-07-07 13:55:44,620 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 297 DAG size of output: 74 [2020-07-07 13:55:45,936 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 253 DAG size of output: 66 [2020-07-07 13:55:47,330 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 252 DAG size of output: 67 [2020-07-07 13:55:48,838 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 277 DAG size of output: 69 [2020-07-07 13:55:49,945 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 235 DAG size of output: 55 [2020-07-07 13:55:51,269 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 260 DAG size of output: 65 [2020-07-07 13:55:52,551 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 243 DAG size of output: 68 [2020-07-07 13:55:53,862 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 246 DAG size of output: 66 [2020-07-07 13:55:55,245 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 259 DAG size of output: 69 [2020-07-07 13:55:56,618 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 247 DAG size of output: 78 [2020-07-07 13:55:58,979 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 383 DAG size of output: 50 [2020-07-07 13:56:01,325 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 383 DAG size of output: 50 [2020-07-07 13:56:03,698 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 383 DAG size of output: 50 [2020-07-07 13:56:05,012 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 243 DAG size of output: 74 [2020-07-07 13:56:06,408 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 271 DAG size of output: 69 [2020-07-07 13:56:08,735 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:56:10,881 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 13:56:12,117 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2020-07-07 13:56:13,355 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2020-07-07 13:56:14,606 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2020-07-07 13:56:16,763 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 13:56:17,953 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 240 DAG size of output: 54 [2020-07-07 13:56:20,112 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 13:56:22,485 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:56:23,732 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2020-07-07 13:56:25,044 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 241 DAG size of output: 54 [2020-07-07 13:56:27,207 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 13:56:29,372 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 13:56:30,634 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2020-07-07 13:56:32,843 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 13:56:35,025 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 13:56:37,187 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 13:56:38,499 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2020-07-07 13:56:39,754 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2020-07-07 13:56:41,015 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2020-07-07 13:56:43,209 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 13:56:44,467 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2020-07-07 13:56:46,703 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 13:56:49,110 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 383 DAG size of output: 50 [2020-07-07 13:56:50,772 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 253 DAG size of output: 80 [2020-07-07 13:56:53,165 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:56:55,566 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:56:57,988 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:56:59,583 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 252 DAG size of output: 67 [2020-07-07 13:57:02,065 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:57:04,526 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:57:05,896 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 242 DAG size of output: 71 [2020-07-07 13:57:07,154 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 257 DAG size of output: 55 [2020-07-07 13:57:08,786 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 252 DAG size of output: 61 [2020-07-07 13:57:10,143 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 241 DAG size of output: 71 [2020-07-07 13:57:11,588 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 240 DAG size of output: 62 [2020-07-07 13:57:14,053 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:57:16,555 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:57:18,036 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 247 DAG size of output: 67 [2020-07-07 13:57:20,505 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:57:22,103 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 252 DAG size of output: 67 [2020-07-07 13:57:23,879 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 264 DAG size of output: 92 [2020-07-07 13:57:25,112 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 233 DAG size of output: 61 [2020-07-07 13:57:26,642 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 244 DAG size of output: 74 [2020-07-07 13:57:29,129 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:57:30,807 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 256 DAG size of output: 83 [2020-07-07 13:57:33,319 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:57:34,635 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 263 DAG size of output: 61 [2020-07-07 13:57:36,819 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 300 DAG size of output: 80 [2020-07-07 13:57:38,536 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 264 DAG size of output: 72 [2020-07-07 13:57:40,053 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 249 DAG size of output: 79 [2020-07-07 13:57:42,571 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:57:45,091 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:57:46,519 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 246 DAG size of output: 63 [2020-07-07 13:57:47,904 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 257 DAG size of output: 64 [2020-07-07 13:57:49,403 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 253 DAG size of output: 67 [2020-07-07 13:57:50,807 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 248 DAG size of output: 75 [2020-07-07 13:57:52,403 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 254 DAG size of output: 81 [2020-07-07 13:57:53,818 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 239 DAG size of output: 68 [2020-07-07 13:57:56,361 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:57:57,711 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2020-07-07 13:58:00,071 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 13:58:01,450 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 239 DAG size of output: 62 [2020-07-07 13:58:04,042 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:58:05,445 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 266 DAG size of output: 58 [2020-07-07 13:58:06,834 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 262 DAG size of output: 65 [2020-07-07 13:58:09,420 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:58:10,788 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 263 DAG size of output: 61 [2020-07-07 13:58:12,637 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 285 DAG size of output: 76 [2020-07-07 13:58:13,976 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 248 DAG size of output: 63 [2020-07-07 13:58:15,410 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 273 DAG size of output: 58 [2020-07-07 13:58:17,021 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 255 DAG size of output: 83 [2020-07-07 13:58:18,701 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 246 DAG size of output: 70 [2020-07-07 13:58:20,096 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 241 DAG size of output: 67 [2020-07-07 13:58:22,732 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:58:24,161 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 246 DAG size of output: 56 [2020-07-07 13:58:25,706 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 261 DAG size of output: 60 [2020-07-07 13:58:28,335 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:58:31,008 WARN L193 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:58:32,399 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2020-07-07 13:58:33,733 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 245 DAG size of output: 68 [2020-07-07 13:58:35,129 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2020-07-07 13:58:36,470 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 244 DAG size of output: 68 [2020-07-07 13:58:37,916 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 246 DAG size of output: 67 [2020-07-07 13:58:39,637 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 277 DAG size of output: 69 [2020-07-07 13:58:41,372 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 257 DAG size of output: 75 [2020-07-07 13:58:42,758 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 245 DAG size of output: 68 [2020-07-07 13:58:44,723 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 272 DAG size of output: 72 [2020-07-07 13:58:47,170 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 13:58:49,652 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 13:58:51,089 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2020-07-07 13:58:52,552 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 241 DAG size of output: 54 [2020-07-07 13:58:53,960 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2020-07-07 13:58:56,433 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 13:58:57,860 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2020-07-07 13:59:00,356 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 13:59:02,837 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 13:59:04,707 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 259 DAG size of output: 67 [2020-07-07 13:59:06,149 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 250 DAG size of output: 65 [2020-07-07 13:59:07,735 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 248 DAG size of output: 68 [2020-07-07 13:59:10,474 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:59:12,059 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 253 DAG size of output: 67 [2020-07-07 13:59:13,654 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 245 DAG size of output: 69 [2020-07-07 13:59:15,118 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 251 DAG size of output: 69 [2020-07-07 13:59:16,750 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 246 DAG size of output: 72 [2020-07-07 13:59:18,377 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 259 DAG size of output: 60 [2020-07-07 13:59:20,077 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 247 DAG size of output: 67 [2020-07-07 13:59:22,838 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:59:24,821 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 285 DAG size of output: 76 [2020-07-07 13:59:26,469 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 263 DAG size of output: 65 [2020-07-07 13:59:28,464 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 252 DAG size of output: 81 [2020-07-07 13:59:30,562 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 272 DAG size of output: 72 [2020-07-07 13:59:31,999 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 234 DAG size of output: 54 [2020-07-07 13:59:33,433 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 249 DAG size of output: 61 [2020-07-07 13:59:36,281 WARN L193 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:59:39,108 WARN L193 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:59:41,967 WARN L193 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:59:44,832 WARN L193 SmtUtils]: Spent 2.85 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:59:46,357 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 253 DAG size of output: 63 [2020-07-07 13:59:49,212 WARN L193 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:59:50,630 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 244 DAG size of output: 58 [2020-07-07 13:59:52,301 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 255 DAG size of output: 61 [2020-07-07 13:59:53,952 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 256 DAG size of output: 61 [2020-07-07 13:59:56,854 WARN L193 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 13:59:58,740 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 245 DAG size of output: 72 [2020-07-07 14:00:01,691 WARN L193 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 14:00:04,713 WARN L193 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 14:00:06,494 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 245 DAG size of output: 60 [2020-07-07 14:00:09,435 WARN L193 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 14:00:11,188 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 248 DAG size of output: 76 [2020-07-07 14:00:12,860 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 247 DAG size of output: 72 [2020-07-07 14:00:14,331 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 238 DAG size of output: 64 [2020-07-07 14:00:17,296 WARN L193 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 14:00:19,049 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 263 DAG size of output: 65 [2020-07-07 14:00:20,589 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 233 DAG size of output: 54 [2020-07-07 14:00:23,567 WARN L193 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 14:00:26,216 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 300 DAG size of output: 80 [2020-07-07 14:00:28,376 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 252 DAG size of output: 81 [2020-07-07 14:00:30,037 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 258 DAG size of output: 59 [2020-07-07 14:00:31,597 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 248 DAG size of output: 61 [2020-07-07 14:00:33,604 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 258 DAG size of output: 66 [2020-07-07 14:00:34,947 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 221 DAG size of output: 46 [2020-07-07 14:00:36,532 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2020-07-07 14:00:39,310 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 14:00:42,127 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 14:00:43,760 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2020-07-07 14:00:45,594 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 252 DAG size of output: 59 [2020-07-07 14:00:47,336 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 251 DAG size of output: 70 [2020-07-07 14:00:48,867 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 240 DAG size of output: 54 [2020-07-07 14:00:50,777 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 249 DAG size of output: 67 [2020-07-07 14:00:52,998 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 252 DAG size of output: 81 [2020-07-07 14:00:54,979 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 257 DAG size of output: 78 [2020-07-07 14:00:56,602 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 247 DAG size of output: 74 [2020-07-07 14:00:59,450 WARN L193 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 14:01:02,341 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 14:01:04,004 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2020-07-07 14:01:05,621 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2020-07-07 14:01:07,132 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2020-07-07 14:01:09,875 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 14:01:11,615 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 241 DAG size of output: 54 [2020-07-07 14:01:13,344 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 241 DAG size of output: 54 [2020-07-07 14:01:16,248 WARN L193 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 14:01:17,924 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2020-07-07 14:01:20,845 WARN L193 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 14:01:23,735 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 14:01:25,503 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 241 DAG size of output: 54 [2020-07-07 14:01:28,480 WARN L193 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 14:01:30,064 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 245 DAG size of output: 68 [2020-07-07 14:01:33,264 WARN L193 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 14:01:36,224 WARN L193 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 14:01:39,216 WARN L193 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 14:01:42,244 WARN L193 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 14:01:43,979 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2020-07-07 14:01:45,815 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 245 DAG size of output: 59 [2020-07-07 14:01:48,893 WARN L193 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 383 DAG size of output: 50 [2020-07-07 14:01:50,703 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 232 DAG size of output: 58 [2020-07-07 14:01:52,939 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 258 DAG size of output: 66 [2020-07-07 14:01:55,289 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 274 DAG size of output: 72 [2020-07-07 14:01:57,143 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 243 DAG size of output: 68 [2020-07-07 14:01:59,046 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 241 DAG size of output: 65 [2020-07-07 14:02:00,818 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 247 DAG size of output: 67 [2020-07-07 14:02:02,679 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 248 DAG size of output: 75 [2020-07-07 14:02:04,635 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 260 DAG size of output: 56 [2020-07-07 14:02:06,789 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 253 DAG size of output: 68 [2020-07-07 14:02:08,595 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 244 DAG size of output: 65 [2020-07-07 14:02:10,757 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 243 DAG size of output: 72 [2020-07-07 14:02:13,050 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 258 DAG size of output: 66 [2020-07-07 14:02:16,447 WARN L193 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 14:02:18,403 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 256 DAG size of output: 61 [2020-07-07 14:02:21,820 WARN L193 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 14:02:24,299 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 275 DAG size of output: 72 [2020-07-07 14:02:26,729 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 274 DAG size of output: 72 [2020-07-07 14:02:28,495 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 247 DAG size of output: 61 [2020-07-07 14:02:31,970 WARN L193 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 14:02:34,155 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 250 DAG size of output: 73 [2020-07-07 14:02:37,348 WARN L193 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 14:02:39,317 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 241 DAG size of output: 54 [2020-07-07 14:02:42,515 WARN L193 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 14:02:44,372 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2020-07-07 14:02:46,538 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 247 DAG size of output: 78 [2020-07-07 14:02:48,351 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 248 DAG size of output: 62 [2020-07-07 14:02:50,233 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 247 DAG size of output: 67 [2020-07-07 14:02:52,016 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 245 DAG size of output: 60 [2020-07-07 14:02:55,567 WARN L193 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 14:02:57,921 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 277 DAG size of output: 69 [2020-07-07 14:03:00,005 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 259 DAG size of output: 60 [2020-07-07 14:03:02,498 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 274 DAG size of output: 72 [2020-07-07 14:03:04,946 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 253 DAG size of output: 80 [2020-07-07 14:03:06,801 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 254 DAG size of output: 66 [2020-07-07 14:03:08,755 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 237 DAG size of output: 65 [2020-07-07 14:03:10,784 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 241 DAG size of output: 54 [2020-07-07 14:03:14,111 WARN L193 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 14:03:17,426 WARN L193 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 14:03:20,813 WARN L193 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 396 DAG size of output: 55 [2020-07-07 14:03:22,728 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2020-07-07 14:03:24,716 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2020-07-07 14:03:26,646 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2020-07-07 14:03:30,368 WARN L193 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 14:03:34,104 WARN L193 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 14:03:37,780 WARN L193 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 14:03:40,012 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 252 DAG size of output: 76 [2020-07-07 14:03:42,149 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 255 DAG size of output: 61 [2020-07-07 14:03:44,235 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 244 DAG size of output: 68 [2020-07-07 14:03:47,902 WARN L193 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 14:03:49,899 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 246 DAG size of output: 71 [2020-07-07 14:03:52,153 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 272 DAG size of output: 62 [2020-07-07 14:03:55,934 WARN L193 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 14:03:59,793 WARN L193 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 14:04:03,659 WARN L193 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 401 DAG size of output: 65 [2020-07-07 14:04:05,591 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 233 DAG size of output: 58 [2020-07-07 14:04:08,132 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 254 DAG size of output: 76 [2020-07-07 14:04:10,223 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 246 DAG size of output: 67