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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem12_label09.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-07 18:41:11,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-07 18:41:11,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-07 18:41:11,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-07 18:41:11,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-07 18:41:11,164 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-07 18:41:11,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-07 18:41:11,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-07 18:41:11,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-07 18:41:11,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-07 18:41:11,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-07 18:41:11,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-07 18:41:11,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-07 18:41:11,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-07 18:41:11,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-07 18:41:11,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-07 18:41:11,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-07 18:41:11,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-07 18:41:11,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-07 18:41:11,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-07 18:41:11,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-07 18:41:11,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-07 18:41:11,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-07 18:41:11,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-07 18:41:11,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-07 18:41:11,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-07 18:41:11,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-07 18:41:11,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-07 18:41:11,188 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-07 18:41:11,202 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-07 18:41:11,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-07 18:41:11,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-07 18:41:11,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-07 18:41:11,204 INFO L138 SettingsManager]: * Use SBE=true [2019-09-07 18:41:11,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-07 18:41:11,204 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-07 18:41:11,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-07 18:41:11,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-07 18:41:11,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-07 18:41:11,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-07 18:41:11,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-07 18:41:11,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-07 18:41:11,205 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-07 18:41:11,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-07 18:41:11,206 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-07 18:41:11,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-07 18:41:11,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-07 18:41:11,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-07 18:41:11,207 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-07 18:41:11,207 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-07 18:41:11,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-07 18:41:11,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-07 18:41:11,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-07 18:41:11,208 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-07 18:41:11,208 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-07 18:41:11,208 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-07 18:41:11,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-07 18:41:11,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-07 18:41:11,241 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-07 18:41:11,254 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-07 18:41:11,261 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-07 18:41:11,262 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-07 18:41:11,263 INFO L275 PluginConnector]: CDTParser initialized [2019-09-07 18:41:11,263 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label09.c [2019-09-07 18:41:11,343 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c7d9f3c7/b6d1331b52dd45619045d460a1bb0bc0/FLAGe90f08503 [2019-09-07 18:41:12,249 INFO L306 CDTParser]: Found 1 translation units. [2019-09-07 18:41:12,252 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label09.c [2019-09-07 18:41:12,293 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c7d9f3c7/b6d1331b52dd45619045d460a1bb0bc0/FLAGe90f08503 [2019-09-07 18:41:12,686 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c7d9f3c7/b6d1331b52dd45619045d460a1bb0bc0 [2019-09-07 18:41:12,695 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-07 18:41:12,696 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-07 18:41:12,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-07 18:41:12,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-07 18:41:12,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-07 18:41:12,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 06:41:12" (1/1) ... [2019-09-07 18:41:12,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3175b2e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:41:12, skipping insertion in model container [2019-09-07 18:41:12,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 06:41:12" (1/1) ... [2019-09-07 18:41:12,712 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-07 18:41:12,841 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-07 18:41:14,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 18:41:14,263 INFO L188 MainTranslator]: Completed pre-run [2019-09-07 18:41:14,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-07 18:41:14,969 INFO L192 MainTranslator]: Completed translation [2019-09-07 18:41:14,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:41:14 WrapperNode [2019-09-07 18:41:14,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-07 18:41:14,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-07 18:41:14,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-07 18:41:14,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-07 18:41:14,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:41:14" (1/1) ... [2019-09-07 18:41:14,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:41:14" (1/1) ... [2019-09-07 18:41:15,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:41:14" (1/1) ... [2019-09-07 18:41:15,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:41:14" (1/1) ... [2019-09-07 18:41:15,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:41:14" (1/1) ... [2019-09-07 18:41:15,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:41:14" (1/1) ... [2019-09-07 18:41:15,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:41:14" (1/1) ... [2019-09-07 18:41:15,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-07 18:41:15,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-07 18:41:15,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-07 18:41:15,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-07 18:41:15,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:41:14" (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 [2019-09-07 18:41:15,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-07 18:41:15,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-07 18:41:15,287 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-07 18:41:15,287 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-09-07 18:41:15,288 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-09-07 18:41:15,288 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-09-07 18:41:15,288 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-07 18:41:15,288 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-07 18:41:15,288 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-09-07 18:41:15,289 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-09-07 18:41:15,289 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-09-07 18:41:15,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-07 18:41:15,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-07 18:41:15,289 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-07 18:41:15,290 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-07 18:41:15,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-07 18:41:15,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-07 18:41:19,961 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-07 18:41:19,961 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-07 18:41:19,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 06:41:19 BoogieIcfgContainer [2019-09-07 18:41:19,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-07 18:41:19,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-07 18:41:19,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-07 18:41:19,970 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-07 18:41:19,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 06:41:12" (1/3) ... [2019-09-07 18:41:19,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13545a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 06:41:19, skipping insertion in model container [2019-09-07 18:41:19,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:41:14" (2/3) ... [2019-09-07 18:41:19,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13545a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 06:41:19, skipping insertion in model container [2019-09-07 18:41:19,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 06:41:19" (3/3) ... [2019-09-07 18:41:19,977 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem12_label09.c [2019-09-07 18:41:19,987 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-07 18:41:20,001 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-07 18:41:20,019 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-07 18:41:20,144 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-07 18:41:20,145 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-07 18:41:20,145 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-07 18:41:20,145 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-07 18:41:20,145 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-07 18:41:20,145 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-07 18:41:20,145 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-07 18:41:20,145 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-07 18:41:20,146 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-07 18:41:20,195 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states. [2019-09-07 18:41:20,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-09-07 18:41:20,207 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 18:41:20,209 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 18:41:20,211 INFO L418 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 18:41:20,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 18:41:20,216 INFO L82 PathProgramCache]: Analyzing trace with hash 2140665405, now seen corresponding path program 1 times [2019-09-07 18:41:20,219 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 18:41:20,220 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 18:41:20,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:41:20,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:41:20,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:41:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:41:20,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 18:41:20,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 18:41:20,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-07 18:41:20,641 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-07 18:41:20,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-07 18:41:20,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-07 18:41:20,658 INFO L87 Difference]: Start difference. First operand 839 states. Second operand 3 states. [2019-09-07 18:41:25,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 18:41:25,794 INFO L93 Difference]: Finished difference Result 2443 states and 4697 transitions. [2019-09-07 18:41:25,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-07 18:41:25,796 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2019-09-07 18:41:25,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 18:41:25,829 INFO L225 Difference]: With dead ends: 2443 [2019-09-07 18:41:25,829 INFO L226 Difference]: Without dead ends: 1542 [2019-09-07 18:41:25,843 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-07 18:41:25,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1542 states. [2019-09-07 18:41:25,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1542 to 1542. [2019-09-07 18:41:25,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1542 states. [2019-09-07 18:41:25,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2822 transitions. [2019-09-07 18:41:25,981 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2822 transitions. Word has length 72 [2019-09-07 18:41:25,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 18:41:25,982 INFO L475 AbstractCegarLoop]: Abstraction has 1542 states and 2822 transitions. [2019-09-07 18:41:25,982 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-07 18:41:25,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2822 transitions. [2019-09-07 18:41:25,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-09-07 18:41:25,989 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 18:41:25,990 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 18:41:25,990 INFO L418 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 18:41:25,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 18:41:25,990 INFO L82 PathProgramCache]: Analyzing trace with hash -275897047, now seen corresponding path program 1 times [2019-09-07 18:41:25,991 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 18:41:25,991 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 18:41:25,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:41:25,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:41:25,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:41:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:41:26,238 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 18:41:26,238 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 18:41:26,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-07 18:41:26,241 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-07 18:41:26,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-07 18:41:26,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-07 18:41:26,242 INFO L87 Difference]: Start difference. First operand 1542 states and 2822 transitions. Second operand 5 states. [2019-09-07 18:41:32,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 18:41:32,555 INFO L93 Difference]: Finished difference Result 3912 states and 7104 transitions. [2019-09-07 18:41:32,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-07 18:41:32,556 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2019-09-07 18:41:32,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 18:41:32,575 INFO L225 Difference]: With dead ends: 3912 [2019-09-07 18:41:32,575 INFO L226 Difference]: Without dead ends: 2376 [2019-09-07 18:41:32,580 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-07 18:41:32,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2376 states. [2019-09-07 18:41:32,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2376 to 2350. [2019-09-07 18:41:32,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2350 states. [2019-09-07 18:41:32,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2350 states to 2350 states and 3968 transitions. [2019-09-07 18:41:32,672 INFO L78 Accepts]: Start accepts. Automaton has 2350 states and 3968 transitions. Word has length 145 [2019-09-07 18:41:32,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 18:41:32,673 INFO L475 AbstractCegarLoop]: Abstraction has 2350 states and 3968 transitions. [2019-09-07 18:41:32,673 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-07 18:41:32,673 INFO L276 IsEmpty]: Start isEmpty. Operand 2350 states and 3968 transitions. [2019-09-07 18:41:32,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-09-07 18:41:32,676 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 18:41:32,676 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 18:41:32,677 INFO L418 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 18:41:32,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 18:41:32,677 INFO L82 PathProgramCache]: Analyzing trace with hash 863579141, now seen corresponding path program 1 times [2019-09-07 18:41:32,677 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 18:41:32,678 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 18:41:32,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:41:32,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:41:32,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:41:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:41:32,805 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 18:41:32,807 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 18:41:32,808 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-07 18:41:32,810 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-07 18:41:32,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-07 18:41:32,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-07 18:41:32,811 INFO L87 Difference]: Start difference. First operand 2350 states and 3968 transitions. Second operand 4 states. [2019-09-07 18:41:40,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 18:41:40,623 INFO L93 Difference]: Finished difference Result 9360 states and 16173 transitions. [2019-09-07 18:41:40,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-07 18:41:40,631 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 147 [2019-09-07 18:41:40,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 18:41:40,670 INFO L225 Difference]: With dead ends: 9360 [2019-09-07 18:41:40,674 INFO L226 Difference]: Without dead ends: 7016 [2019-09-07 18:41:40,680 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-07 18:41:40,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7016 states. [2019-09-07 18:41:40,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7016 to 7016. [2019-09-07 18:41:40,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7016 states. [2019-09-07 18:41:40,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7016 states to 7016 states and 11462 transitions. [2019-09-07 18:41:40,894 INFO L78 Accepts]: Start accepts. Automaton has 7016 states and 11462 transitions. Word has length 147 [2019-09-07 18:41:40,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 18:41:40,895 INFO L475 AbstractCegarLoop]: Abstraction has 7016 states and 11462 transitions. [2019-09-07 18:41:40,895 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-07 18:41:40,895 INFO L276 IsEmpty]: Start isEmpty. Operand 7016 states and 11462 transitions. [2019-09-07 18:41:40,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-09-07 18:41:40,907 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 18:41:40,908 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-07 18:41:40,908 INFO L418 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 18:41:40,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 18:41:40,908 INFO L82 PathProgramCache]: Analyzing trace with hash 31526868, now seen corresponding path program 1 times [2019-09-07 18:41:40,909 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 18:41:40,909 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 18:41:40,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:41:40,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:41:40,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:41:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:41:41,142 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 18:41:41,143 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 18:41:41,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-07 18:41:41,144 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-07 18:41:41,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-07 18:41:41,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-09-07 18:41:41,145 INFO L87 Difference]: Start difference. First operand 7016 states and 11462 transitions. Second operand 6 states. [2019-09-07 18:41:47,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 18:41:47,209 INFO L93 Difference]: Finished difference Result 16490 states and 27176 transitions. [2019-09-07 18:41:47,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-07 18:41:47,210 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2019-09-07 18:41:47,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 18:41:47,253 INFO L225 Difference]: With dead ends: 16490 [2019-09-07 18:41:47,253 INFO L226 Difference]: Without dead ends: 9480 [2019-09-07 18:41:47,271 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-09-07 18:41:47,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9480 states. [2019-09-07 18:41:47,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9480 to 9441. [2019-09-07 18:41:47,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9441 states. [2019-09-07 18:41:47,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9441 states to 9441 states and 14632 transitions. [2019-09-07 18:41:47,516 INFO L78 Accepts]: Start accepts. Automaton has 9441 states and 14632 transitions. Word has length 174 [2019-09-07 18:41:47,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 18:41:47,517 INFO L475 AbstractCegarLoop]: Abstraction has 9441 states and 14632 transitions. [2019-09-07 18:41:47,517 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-07 18:41:47,518 INFO L276 IsEmpty]: Start isEmpty. Operand 9441 states and 14632 transitions. [2019-09-07 18:41:47,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-09-07 18:41:47,527 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 18:41:47,528 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-07 18:41:47,528 INFO L418 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 18:41:47,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 18:41:47,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1126258049, now seen corresponding path program 1 times [2019-09-07 18:41:47,529 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 18:41:47,529 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 18:41:47,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:41:47,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:41:47,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:41:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:41:47,814 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 130 proven. 69 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-07 18:41:47,814 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 18:41:47,814 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 18:41:47,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:41:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:41:47,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-07 18:41:47,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 18:41:48,090 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-09-07 18:41:48,104 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-07 18:41:48,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2019-09-07 18:41:48,105 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-07 18:41:48,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-07 18:41:48,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-09-07 18:41:48,107 INFO L87 Difference]: Start difference. First operand 9441 states and 14632 transitions. Second operand 9 states. [2019-09-07 18:42:01,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 18:42:01,355 INFO L93 Difference]: Finished difference Result 33833 states and 56025 transitions. [2019-09-07 18:42:01,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-09-07 18:42:01,357 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 236 [2019-09-07 18:42:01,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 18:42:01,456 INFO L225 Difference]: With dead ends: 33833 [2019-09-07 18:42:01,457 INFO L226 Difference]: Without dead ends: 24398 [2019-09-07 18:42:01,487 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 255 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=193, Invalid=677, Unknown=0, NotChecked=0, Total=870 [2019-09-07 18:42:01,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24398 states. [2019-09-07 18:42:02,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24398 to 22632. [2019-09-07 18:42:02,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22632 states. [2019-09-07 18:42:02,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22632 states to 22632 states and 29968 transitions. [2019-09-07 18:42:02,222 INFO L78 Accepts]: Start accepts. Automaton has 22632 states and 29968 transitions. Word has length 236 [2019-09-07 18:42:02,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 18:42:02,222 INFO L475 AbstractCegarLoop]: Abstraction has 22632 states and 29968 transitions. [2019-09-07 18:42:02,222 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-07 18:42:02,222 INFO L276 IsEmpty]: Start isEmpty. Operand 22632 states and 29968 transitions. [2019-09-07 18:42:02,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2019-09-07 18:42:02,235 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 18:42:02,235 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 18:42:02,236 INFO L418 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 18:42:02,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 18:42:02,236 INFO L82 PathProgramCache]: Analyzing trace with hash -309640423, now seen corresponding path program 1 times [2019-09-07 18:42:02,236 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 18:42:02,237 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 18:42:02,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:42:02,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:42:02,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:42:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:42:02,483 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 130 proven. 77 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-07 18:42:02,484 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 18:42:02,484 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 18:42:02,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:42:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:42:02,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-07 18:42:02,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 18:42:02,711 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-09-07 18:42:02,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-07 18:42:02,725 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2019-09-07 18:42:02,727 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-07 18:42:02,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-07 18:42:02,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-09-07 18:42:02,729 INFO L87 Difference]: Start difference. First operand 22632 states and 29968 transitions. Second operand 9 states. [2019-09-07 18:42:17,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 18:42:17,280 INFO L93 Difference]: Finished difference Result 66989 states and 97318 transitions. [2019-09-07 18:42:17,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-09-07 18:42:17,281 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 300 [2019-09-07 18:42:17,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 18:42:17,481 INFO L225 Difference]: With dead ends: 66989 [2019-09-07 18:42:17,481 INFO L226 Difference]: Without dead ends: 44363 [2019-09-07 18:42:17,545 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=250, Invalid=806, Unknown=0, NotChecked=0, Total=1056 [2019-09-07 18:42:17,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44363 states. [2019-09-07 18:42:19,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44363 to 40920. [2019-09-07 18:42:19,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40920 states. [2019-09-07 18:42:19,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40920 states to 40920 states and 52439 transitions. [2019-09-07 18:42:19,731 INFO L78 Accepts]: Start accepts. Automaton has 40920 states and 52439 transitions. Word has length 300 [2019-09-07 18:42:19,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 18:42:19,731 INFO L475 AbstractCegarLoop]: Abstraction has 40920 states and 52439 transitions. [2019-09-07 18:42:19,732 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-07 18:42:19,732 INFO L276 IsEmpty]: Start isEmpty. Operand 40920 states and 52439 transitions. [2019-09-07 18:42:19,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2019-09-07 18:42:19,747 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 18:42:19,747 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 18:42:19,748 INFO L418 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 18:42:19,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 18:42:19,748 INFO L82 PathProgramCache]: Analyzing trace with hash -640775623, now seen corresponding path program 1 times [2019-09-07 18:42:19,748 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 18:42:19,748 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 18:42:19,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:42:19,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:42:19,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:42:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:42:20,154 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 133 proven. 67 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-09-07 18:42:20,154 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 18:42:20,154 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 18:42:20,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:42:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:42:20,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-07 18:42:20,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 18:42:20,401 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 203 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (4)] Exception during sending of exit command (exit): Stream closed [2019-09-07 18:42:20,414 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 18:42:20,414 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2019-09-07 18:42:20,415 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-07 18:42:20,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-07 18:42:20,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-09-07 18:42:20,416 INFO L87 Difference]: Start difference. First operand 40920 states and 52439 transitions. Second operand 9 states. [2019-09-07 18:42:43,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 18:42:43,014 INFO L93 Difference]: Finished difference Result 202978 states and 288210 transitions. [2019-09-07 18:42:43,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-07 18:42:43,014 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 336 [2019-09-07 18:42:43,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 18:42:43,632 INFO L225 Difference]: With dead ends: 202978 [2019-09-07 18:42:43,632 INFO L226 Difference]: Without dead ends: 162064 [2019-09-07 18:42:43,750 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2019-09-07 18:42:43,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162064 states. [2019-09-07 18:42:48,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162064 to 141473. [2019-09-07 18:42:48,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141473 states. [2019-09-07 18:42:48,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141473 states to 141473 states and 173322 transitions. [2019-09-07 18:42:48,627 INFO L78 Accepts]: Start accepts. Automaton has 141473 states and 173322 transitions. Word has length 336 [2019-09-07 18:42:48,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 18:42:48,628 INFO L475 AbstractCegarLoop]: Abstraction has 141473 states and 173322 transitions. [2019-09-07 18:42:48,628 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-07 18:42:48,628 INFO L276 IsEmpty]: Start isEmpty. Operand 141473 states and 173322 transitions. [2019-09-07 18:42:48,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2019-09-07 18:42:48,643 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 18:42:48,643 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 18:42:48,644 INFO L418 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 18:42:48,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 18:42:48,644 INFO L82 PathProgramCache]: Analyzing trace with hash -177398279, now seen corresponding path program 1 times [2019-09-07 18:42:48,644 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 18:42:48,644 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 18:42:48,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:42:48,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:42:48,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:42:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:42:49,536 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 201 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2019-09-07 18:42:49,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 18:42:49,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-07 18:42:49,538 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-07 18:42:49,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-07 18:42:49,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-07 18:42:49,538 INFO L87 Difference]: Start difference. First operand 141473 states and 173322 transitions. Second operand 4 states. [2019-09-07 18:42:57,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 18:42:57,202 INFO L93 Difference]: Finished difference Result 277539 states and 340911 transitions. [2019-09-07 18:42:57,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-07 18:42:57,203 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 411 [2019-09-07 18:42:57,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 18:42:57,629 INFO L225 Difference]: With dead ends: 277539 [2019-09-07 18:42:57,629 INFO L226 Difference]: Without dead ends: 131419 [2019-09-07 18:42:57,804 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-07 18:42:57,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131419 states. [2019-09-07 18:43:03,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131419 to 120629. [2019-09-07 18:43:03,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120629 states. [2019-09-07 18:43:03,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120629 states to 120629 states and 137836 transitions. [2019-09-07 18:43:03,307 INFO L78 Accepts]: Start accepts. Automaton has 120629 states and 137836 transitions. Word has length 411 [2019-09-07 18:43:03,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 18:43:03,308 INFO L475 AbstractCegarLoop]: Abstraction has 120629 states and 137836 transitions. [2019-09-07 18:43:03,308 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-07 18:43:03,308 INFO L276 IsEmpty]: Start isEmpty. Operand 120629 states and 137836 transitions. [2019-09-07 18:43:03,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2019-09-07 18:43:03,337 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 18:43:03,338 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 18:43:03,338 INFO L418 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 18:43:03,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 18:43:03,339 INFO L82 PathProgramCache]: Analyzing trace with hash 2097135766, now seen corresponding path program 1 times [2019-09-07 18:43:03,339 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 18:43:03,339 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 18:43:03,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:43:03,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:43:03,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:43:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:43:03,666 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-09-07 18:43:03,666 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-07 18:43:03,666 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-07 18:43:03,668 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-07 18:43:03,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-07 18:43:03,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-07 18:43:03,669 INFO L87 Difference]: Start difference. First operand 120629 states and 137836 transitions. Second operand 3 states. [2019-09-07 18:43:09,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 18:43:09,279 INFO L93 Difference]: Finished difference Result 254246 states and 291981 transitions. [2019-09-07 18:43:09,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-07 18:43:09,279 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 493 [2019-09-07 18:43:09,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 18:43:09,630 INFO L225 Difference]: With dead ends: 254246 [2019-09-07 18:43:09,630 INFO L226 Difference]: Without dead ends: 134390 [2019-09-07 18:43:09,773 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-07 18:43:09,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134390 states. [2019-09-07 18:43:12,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134390 to 130545. [2019-09-07 18:43:12,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130545 states. [2019-09-07 18:43:12,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130545 states to 130545 states and 147409 transitions. [2019-09-07 18:43:12,244 INFO L78 Accepts]: Start accepts. Automaton has 130545 states and 147409 transitions. Word has length 493 [2019-09-07 18:43:12,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 18:43:12,244 INFO L475 AbstractCegarLoop]: Abstraction has 130545 states and 147409 transitions. [2019-09-07 18:43:12,244 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-07 18:43:12,245 INFO L276 IsEmpty]: Start isEmpty. Operand 130545 states and 147409 transitions. [2019-09-07 18:43:12,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 824 [2019-09-07 18:43:12,345 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 18:43:12,346 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 18:43:12,346 INFO L418 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 18:43:12,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 18:43:12,347 INFO L82 PathProgramCache]: Analyzing trace with hash -752057960, now seen corresponding path program 1 times [2019-09-07 18:43:12,347 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 18:43:12,347 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 18:43:12,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:43:12,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:43:12,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:43:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:43:17,624 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 336 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 18:43:17,624 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 18:43:17,624 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 18:43:17,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:43:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:43:17,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 1060 conjuncts, 16 conjunts are in the unsatisfiable core [2019-09-07 18:43:17,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 18:43:17,906 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-07 18:43:18,507 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 338 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-09-07 18:43:18,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-07 18:43:18,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2019-09-07 18:43:18,513 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-07 18:43:18,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-07 18:43:18,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2019-09-07 18:43:18,514 INFO L87 Difference]: Start difference. First operand 130545 states and 147409 transitions. Second operand 15 states. [2019-09-07 18:43:19,312 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 53 [2019-09-07 18:43:27,401 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-07 18:43:28,334 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-07 18:43:28,617 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-07 18:43:33,160 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-07 18:43:53,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-07 18:43:53,085 INFO L93 Difference]: Finished difference Result 381976 states and 438698 transitions. [2019-09-07 18:43:53,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2019-09-07 18:43:53,086 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 823 [2019-09-07 18:43:53,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-07 18:43:54,102 INFO L225 Difference]: With dead ends: 381976 [2019-09-07 18:43:54,102 INFO L226 Difference]: Without dead ends: 248318 [2019-09-07 18:43:54,182 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 900 GetRequests, 837 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1327 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1053, Invalid=3107, Unknown=0, NotChecked=0, Total=4160 [2019-09-07 18:43:54,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248318 states. [2019-09-07 18:43:57,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248318 to 225197. [2019-09-07 18:43:57,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225197 states. [2019-09-07 18:43:57,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225197 states to 225197 states and 257131 transitions. [2019-09-07 18:43:57,329 INFO L78 Accepts]: Start accepts. Automaton has 225197 states and 257131 transitions. Word has length 823 [2019-09-07 18:43:57,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-07 18:43:57,329 INFO L475 AbstractCegarLoop]: Abstraction has 225197 states and 257131 transitions. [2019-09-07 18:43:57,329 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-07 18:43:57,329 INFO L276 IsEmpty]: Start isEmpty. Operand 225197 states and 257131 transitions. [2019-09-07 18:43:57,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1061 [2019-09-07 18:43:57,437 INFO L391 BasicCegarLoop]: Found error trace [2019-09-07 18:43:57,438 INFO L399 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-07 18:43:57,438 INFO L418 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-07 18:43:57,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-07 18:43:57,439 INFO L82 PathProgramCache]: Analyzing trace with hash -265583799, now seen corresponding path program 1 times [2019-09-07 18:43:57,439 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-07 18:43:57,439 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-07 18:43:57,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:43:57,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:43:57,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-07 18:43:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:44:04,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1098 backedges. 489 proven. 609 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-07 18:44:04,607 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-07 18:44:04,608 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-07 18:44:04,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-07 18:44:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-07 18:44:04,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 1416 conjuncts, 16 conjunts are in the unsatisfiable core [2019-09-07 18:44:04,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-07 18:44:04,970 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-09-07 18:44:04,970 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:04,971 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:04,972 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:04,972 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:04,973 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:04,977 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:04,982 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:04,983 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:04,985 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:04,989 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:04,991 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:04,991 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:04,994 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:04,995 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:04,998 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:04,998 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,000 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,000 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,005 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,005 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,006 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,007 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,008 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,009 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,010 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,010 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,012 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,013 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,013 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,014 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,014 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,015 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,016 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,017 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,018 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,018 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,020 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,020 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,021 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,022 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,023 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,023 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,024 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,025 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,026 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,027 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,027 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,028 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,029 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,029 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,031 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,031 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,033 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,033 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,034 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,034 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,035 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,035 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,036 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,037 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,038 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,039 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,040 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,040 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,041 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,042 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,042 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,043 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,044 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,044 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,045 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,046 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,046 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,047 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,048 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,048 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,049 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,050 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,051 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,052 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,052 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,052 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,053 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,054 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,054 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,055 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,056 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,056 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,058 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,058 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,059 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,059 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,060 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,061 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,061 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,062 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,063 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,063 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,064 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,064 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,065 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,066 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,067 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:05,067 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:06,350 WARN L188 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 26 [2019-09-07 18:44:06,479 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:06,479 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-07 18:44:09,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1098 backedges. 671 proven. 309 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-09-07 18:44:09,353 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-07 18:44:09,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 9] total 26 [2019-09-07 18:44:09,356 INFO L454 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-09-07 18:44:09,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-09-07 18:44:09,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=565, Unknown=2, NotChecked=0, Total=650 [2019-09-07 18:44:09,357 INFO L87 Difference]: Start difference. First operand 225197 states and 257131 transitions. Second operand 26 states. [2019-09-07 18:44:10,887 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 55 [2019-09-07 18:44:11,044 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 45 [2019-09-07 18:44:13,490 WARN L188 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-09-07 18:44:14,003 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2019-09-07 18:44:14,274 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 55 [2019-09-07 18:44:15,515 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 46 [2019-09-07 18:44:15,742 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 52 [2019-09-07 18:44:17,134 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 54 [2019-09-07 18:44:20,352 WARN L188 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 76 [2019-09-07 18:44:20,964 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 41 [2019-09-07 18:44:22,210 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 56 [2019-09-07 18:44:23,114 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 45 [2019-09-07 18:44:23,349 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 44 [2019-09-07 18:44:24,871 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 40 [2019-09-07 18:44:25,841 WARN L188 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-09-07 18:44:29,859 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 55 [2019-09-07 18:44:34,151 WARN L188 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2019-09-07 18:44:41,342 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 54 [2019-09-07 18:44:44,281 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 43 [2019-09-07 18:44:46,220 WARN L188 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-09-07 18:44:55,188 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 53 [2019-09-07 18:44:55,737 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 65 [2019-09-07 18:44:58,675 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 54 [2019-09-07 18:45:01,398 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 44 [2019-09-07 18:45:02,144 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2019-09-07 18:45:03,333 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 54 [2019-09-07 18:45:04,354 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2019-09-07 18:45:05,197 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 54 [2019-09-07 18:45:06,443 WARN L188 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-09-07 18:45:07,883 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 60 [2019-09-07 18:45:23,338 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 69 [2019-09-07 18:45:29,045 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 45 [2019-09-07 18:45:33,519 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 48 [2019-09-07 18:45:33,766 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 63 [2019-09-07 18:45:36,906 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 45 [2019-09-07 18:45:39,852 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 56 [2019-09-07 18:45:43,421 WARN L188 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 67 [2019-09-07 18:45:44,097 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2019-09-07 18:45:49,327 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 66 [2019-09-07 18:45:52,914 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 56 [2019-09-07 18:45:58,862 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 49 [2019-09-07 18:46:04,110 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 75 [2019-09-07 18:46:04,301 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 39 [2019-09-07 18:46:07,451 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 56 [2019-09-07 18:46:14,653 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 54 [2019-09-07 18:46:19,433 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 59 [2019-09-07 18:46:20,706 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 57 [2019-09-07 18:46:21,988 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 63 [2019-09-07 18:46:24,119 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 55 [2019-09-07 18:46:24,455 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 44 [2019-09-07 18:46:24,732 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2019-09-07 18:46:27,012 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2019-09-07 18:46:30,879 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 47 [2019-09-07 18:46:31,136 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 56 [2019-09-07 18:46:33,807 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 52 [2019-09-07 18:46:34,241 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 44 [2019-09-07 18:46:38,955 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 55 [2019-09-07 18:46:47,173 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 63 [2019-09-07 18:46:58,457 WARN L188 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 64 DAG size of output: 55 [2019-09-07 18:47:00,321 WARN L188 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2019-09-07 18:47:07,889 WARN L188 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2019-09-07 18:47:22,435 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 64 [2019-09-07 18:47:22,909 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 54 [2019-09-07 18:47:25,510 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 64 [2019-09-07 18:47:26,180 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 45 [2019-09-07 18:47:28,739 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 58 [2019-09-07 18:47:32,064 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 54 [2019-09-07 18:47:37,721 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 71 [2019-09-07 18:47:38,555 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2019-09-07 18:47:41,141 WARN L188 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 61 [2019-09-07 18:47:49,220 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 39 [2019-09-07 18:48:00,906 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 46 [2019-09-07 18:48:03,401 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 64 [2019-09-07 18:48:04,547 WARN L188 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2019-09-07 18:48:10,747 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 71 [2019-09-07 18:48:11,090 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 55 [2019-09-07 18:48:14,598 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 44 [2019-09-07 18:48:22,629 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 56 [2019-09-07 18:48:22,978 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 48 [2019-09-07 18:48:29,637 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 53 [2019-09-07 18:48:35,355 WARN L188 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 103 DAG size of output: 74 [2019-09-07 18:48:37,511 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 48 [2019-09-07 18:48:41,828 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 47 [2019-09-07 18:48:42,302 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 61 [2019-09-07 18:48:51,810 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 73 [2019-09-07 18:48:52,232 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 56 [2019-09-07 18:48:53,556 WARN L188 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2019-09-07 18:48:53,845 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 46 [2019-09-07 18:48:57,271 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 53 [2019-09-07 18:49:02,485 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 53 [2019-09-07 18:49:03,518 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 62 [2019-09-07 18:49:06,897 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 44 [2019-09-07 18:49:12,827 WARN L188 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2019-09-07 18:49:15,964 WARN L188 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 99 DAG size of output: 74 [2019-09-07 18:49:23,076 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 72 [2019-09-07 18:49:28,616 WARN L188 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2019-09-07 18:49:32,073 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 46 [2019-09-07 18:49:34,764 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 57 [2019-09-07 18:50:38,591 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2019-09-07 18:50:42,803 WARN L188 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 48 [2019-09-07 18:50:49,346 WARN L188 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2019-09-07 18:50:50,403 WARN L188 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 66 [2019-09-07 18:50:53,955 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 43 [2019-09-07 18:50:54,254 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2019-09-07 18:50:59,078 WARN L188 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 98 DAG size of output: 50 [2019-09-07 18:51:00,073 WARN L188 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2019-09-07 18:51:02,382 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 57 [2019-09-07 18:51:06,902 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2019-09-07 18:51:11,508 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 58 [2019-09-07 18:51:15,352 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 57 [2019-09-07 18:51:33,453 WARN L188 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 96 DAG size of output: 55 [2019-09-07 18:51:39,179 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 44 [2019-09-07 18:51:50,849 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2019-09-07 18:51:53,372 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 63 [2019-09-07 18:51:58,951 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 49 [2019-09-07 18:52:31,866 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 71 [2019-09-07 18:52:50,037 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 46 [2019-09-07 18:52:53,729 WARN L188 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2019-09-07 18:53:07,376 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 47 [2019-09-07 18:53:11,902 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 71 [2019-09-07 18:53:30,903 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 45 [2019-09-07 18:53:34,783 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 43 [2019-09-07 18:53:53,457 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 71 [2019-09-07 18:53:56,622 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 65 [2019-09-07 18:53:56,903 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 42 [2019-09-07 18:53:58,349 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 55 [2019-09-07 18:54:08,265 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 74 [2019-09-07 18:54:14,422 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2019-09-07 18:54:16,155 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2019-09-07 18:54:30,346 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 64 [2019-09-07 18:54:31,308 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 41 [2019-09-07 18:54:33,707 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 54 [2019-09-07 18:54:42,238 WARN L188 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 75 DAG size of output: 65