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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 08:11:06,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 08:11:06,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 08:11:06,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 08:11:06,033 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 08:11:06,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 08:11:06,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 08:11:06,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 08:11:06,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 08:11:06,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 08:11:06,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 08:11:06,043 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 08:11:06,043 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 08:11:06,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 08:11:06,045 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 08:11:06,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 08:11:06,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 08:11:06,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 08:11:06,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 08:11:06,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 08:11:06,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 08:11:06,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 08:11:06,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 08:11:06,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 08:11:06,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-10 08:11:06,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 08:11:06,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 08:11:06,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 08:11:06,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 08:11:06,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 08:11:06,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 08:11:06,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 08:11:06,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 08:11:06,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 08:11:06,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 08:11:06,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 08:11:06,070 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 08:11:06,085 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 08:11:06,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 08:11:06,085 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 08:11:06,085 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 08:11:06,086 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 08:11:06,086 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 08:11:06,087 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 08:11:06,087 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 08:11:06,087 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 08:11:06,087 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 08:11:06,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 08:11:06,088 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 08:11:06,088 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 08:11:06,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 08:11:06,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 08:11:06,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 08:11:06,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 08:11:06,089 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 08:11:06,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 08:11:06,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 08:11:06,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 08:11:06,090 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 08:11:06,090 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 08:11:06,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 08:11:06,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 08:11:06,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 08:11:06,091 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 08:11:06,091 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 08:11:06,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 08:11:06,092 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 08:11:06,120 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 08:11:06,133 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 08:11:06,137 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 08:11:06,138 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 08:11:06,139 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 08:11:06,139 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2019-09-10 08:11:06,203 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e9aee776/58c68cf9721342efae1ab1f20a95a86d/FLAGab9a30af3 [2019-09-10 08:11:06,732 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 08:11:06,733 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2019-09-10 08:11:06,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e9aee776/58c68cf9721342efae1ab1f20a95a86d/FLAGab9a30af3 [2019-09-10 08:11:07,050 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e9aee776/58c68cf9721342efae1ab1f20a95a86d [2019-09-10 08:11:07,062 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 08:11:07,063 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 08:11:07,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 08:11:07,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 08:11:07,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 08:11:07,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 08:11:07" (1/1) ... [2019-09-10 08:11:07,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45625c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:11:07, skipping insertion in model container [2019-09-10 08:11:07,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 08:11:07" (1/1) ... [2019-09-10 08:11:07,082 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 08:11:07,151 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 08:11:07,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 08:11:07,635 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 08:11:07,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 08:11:07,806 INFO L192 MainTranslator]: Completed translation [2019-09-10 08:11:07,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:11:07 WrapperNode [2019-09-10 08:11:07,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 08:11:07,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 08:11:07,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 08:11:07,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 08:11:07,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:11:07" (1/1) ... [2019-09-10 08:11:07,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:11:07" (1/1) ... [2019-09-10 08:11:07,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:11:07" (1/1) ... [2019-09-10 08:11:07,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:11:07" (1/1) ... [2019-09-10 08:11:07,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:11:07" (1/1) ... [2019-09-10 08:11:07,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:11:07" (1/1) ... [2019-09-10 08:11:07,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:11:07" (1/1) ... [2019-09-10 08:11:07,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 08:11:07,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 08:11:07,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 08:11:07,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 08:11:07,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:11:07" (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 [2019-09-10 08:11:07,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 08:11:07,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 08:11:07,929 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 08:11:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 08:11:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-10 08:11:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-10 08:11:07,929 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-10 08:11:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 08:11:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-10 08:11:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-10 08:11:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-10 08:11:07,930 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-10 08:11:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-10 08:11:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-10 08:11:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-09-10 08:11:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure node6 [2019-09-10 08:11:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-10 08:11:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-10 08:11:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 08:11:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 08:11:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 08:11:08,899 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 08:11:08,899 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 08:11:08,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 08:11:08 BoogieIcfgContainer [2019-09-10 08:11:08,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 08:11:08,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 08:11:08,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 08:11:08,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 08:11:08,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 08:11:07" (1/3) ... [2019-09-10 08:11:08,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@601438d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 08:11:08, skipping insertion in model container [2019-09-10 08:11:08,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:11:07" (2/3) ... [2019-09-10 08:11:08,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@601438d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 08:11:08, skipping insertion in model container [2019-09-10 08:11:08,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 08:11:08" (3/3) ... [2019-09-10 08:11:08,916 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_lcr.6.1.ufo.BOUNDED-12.pals.c.v+nlh-reducer.c [2019-09-10 08:11:08,926 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 08:11:08,947 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 08:11:08,965 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 08:11:08,996 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 08:11:08,996 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 08:11:08,997 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 08:11:08,997 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 08:11:08,997 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 08:11:08,998 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 08:11:08,998 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 08:11:08,998 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 08:11:09,020 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2019-09-10 08:11:09,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-09-10 08:11:09,033 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:11:09,033 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:11:09,036 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:11:09,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:11:09,040 INFO L82 PathProgramCache]: Analyzing trace with hash 171862004, now seen corresponding path program 1 times [2019-09-10 08:11:09,042 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:11:09,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:09,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:11:09,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:09,095 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:11:09,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:11:09,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:11:09,513 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:11:09,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 08:11:09,513 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:11:09,519 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 08:11:09,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 08:11:09,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:11:09,537 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 3 states. [2019-09-10 08:11:09,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:11:09,718 INFO L93 Difference]: Finished difference Result 280 states and 467 transitions. [2019-09-10 08:11:09,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 08:11:09,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2019-09-10 08:11:09,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:11:09,745 INFO L225 Difference]: With dead ends: 280 [2019-09-10 08:11:09,746 INFO L226 Difference]: Without dead ends: 272 [2019-09-10 08:11:09,749 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:11:09,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2019-09-10 08:11:09,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 270. [2019-09-10 08:11:09,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2019-09-10 08:11:09,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 387 transitions. [2019-09-10 08:11:09,863 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 387 transitions. Word has length 95 [2019-09-10 08:11:09,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:11:09,866 INFO L475 AbstractCegarLoop]: Abstraction has 270 states and 387 transitions. [2019-09-10 08:11:09,866 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 08:11:09,866 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 387 transitions. [2019-09-10 08:11:09,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-09-10 08:11:09,870 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:11:09,871 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:11:09,871 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:11:09,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:11:09,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1189024244, now seen corresponding path program 1 times [2019-09-10 08:11:09,872 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:11:09,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:09,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:11:09,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:09,875 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:11:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:11:10,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:11:10,095 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:11:10,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 08:11:10,096 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:11:10,098 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 08:11:10,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 08:11:10,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:11:10,100 INFO L87 Difference]: Start difference. First operand 270 states and 387 transitions. Second operand 5 states. [2019-09-10 08:11:10,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:11:10,463 INFO L93 Difference]: Finished difference Result 453 states and 672 transitions. [2019-09-10 08:11:10,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 08:11:10,463 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 97 [2019-09-10 08:11:10,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:11:10,467 INFO L225 Difference]: With dead ends: 453 [2019-09-10 08:11:10,468 INFO L226 Difference]: Without dead ends: 453 [2019-09-10 08:11:10,469 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-10 08:11:10,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2019-09-10 08:11:10,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 451. [2019-09-10 08:11:10,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2019-09-10 08:11:10,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 671 transitions. [2019-09-10 08:11:10,520 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 671 transitions. Word has length 97 [2019-09-10 08:11:10,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:11:10,521 INFO L475 AbstractCegarLoop]: Abstraction has 451 states and 671 transitions. [2019-09-10 08:11:10,521 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 08:11:10,521 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 671 transitions. [2019-09-10 08:11:10,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-10 08:11:10,528 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:11:10,529 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:11:10,529 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:11:10,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:11:10,530 INFO L82 PathProgramCache]: Analyzing trace with hash 119724555, now seen corresponding path program 1 times [2019-09-10 08:11:10,530 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:11:10,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:10,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:11:10,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:10,534 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:11:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:11:10,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:11:10,708 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:11:10,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 08:11:10,709 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:11:10,710 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 08:11:10,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 08:11:10,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:11:10,711 INFO L87 Difference]: Start difference. First operand 451 states and 671 transitions. Second operand 5 states. [2019-09-10 08:11:10,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:11:10,933 INFO L93 Difference]: Finished difference Result 451 states and 666 transitions. [2019-09-10 08:11:10,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 08:11:10,933 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2019-09-10 08:11:10,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:11:10,938 INFO L225 Difference]: With dead ends: 451 [2019-09-10 08:11:10,938 INFO L226 Difference]: Without dead ends: 451 [2019-09-10 08:11:10,939 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-10 08:11:10,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2019-09-10 08:11:10,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 451. [2019-09-10 08:11:10,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2019-09-10 08:11:10,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 666 transitions. [2019-09-10 08:11:10,955 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 666 transitions. Word has length 98 [2019-09-10 08:11:10,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:11:10,955 INFO L475 AbstractCegarLoop]: Abstraction has 451 states and 666 transitions. [2019-09-10 08:11:10,956 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 08:11:10,956 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 666 transitions. [2019-09-10 08:11:10,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-09-10 08:11:10,965 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:11:10,965 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:11:10,966 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:11:10,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:11:10,966 INFO L82 PathProgramCache]: Analyzing trace with hash 540542213, now seen corresponding path program 1 times [2019-09-10 08:11:10,967 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:11:10,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:10,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:11:10,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:10,969 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:11:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:11:11,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:11:11,157 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:11:11,157 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 08:11:11,157 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:11:11,159 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 08:11:11,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 08:11:11,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:11:11,159 INFO L87 Difference]: Start difference. First operand 451 states and 666 transitions. Second operand 5 states. [2019-09-10 08:11:11,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:11:11,364 INFO L93 Difference]: Finished difference Result 451 states and 661 transitions. [2019-09-10 08:11:11,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 08:11:11,365 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2019-09-10 08:11:11,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:11:11,372 INFO L225 Difference]: With dead ends: 451 [2019-09-10 08:11:11,372 INFO L226 Difference]: Without dead ends: 451 [2019-09-10 08:11:11,372 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-10 08:11:11,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2019-09-10 08:11:11,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 451. [2019-09-10 08:11:11,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2019-09-10 08:11:11,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 661 transitions. [2019-09-10 08:11:11,386 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 661 transitions. Word has length 99 [2019-09-10 08:11:11,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:11:11,386 INFO L475 AbstractCegarLoop]: Abstraction has 451 states and 661 transitions. [2019-09-10 08:11:11,386 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 08:11:11,386 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 661 transitions. [2019-09-10 08:11:11,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-09-10 08:11:11,388 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:11:11,388 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:11:11,388 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:11:11,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:11:11,390 INFO L82 PathProgramCache]: Analyzing trace with hash 298030891, now seen corresponding path program 1 times [2019-09-10 08:11:11,390 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:11:11,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:11,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:11:11,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:11,393 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:11:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:11:11,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:11:11,570 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:11:11,571 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 08:11:11,571 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:11:11,571 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 08:11:11,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 08:11:11,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:11:11,573 INFO L87 Difference]: Start difference. First operand 451 states and 661 transitions. Second operand 5 states. [2019-09-10 08:11:11,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:11:11,766 INFO L93 Difference]: Finished difference Result 451 states and 656 transitions. [2019-09-10 08:11:11,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 08:11:11,767 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 100 [2019-09-10 08:11:11,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:11:11,770 INFO L225 Difference]: With dead ends: 451 [2019-09-10 08:11:11,770 INFO L226 Difference]: Without dead ends: 451 [2019-09-10 08:11:11,771 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-10 08:11:11,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2019-09-10 08:11:11,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 451. [2019-09-10 08:11:11,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2019-09-10 08:11:11,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 656 transitions. [2019-09-10 08:11:11,783 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 656 transitions. Word has length 100 [2019-09-10 08:11:11,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:11:11,784 INFO L475 AbstractCegarLoop]: Abstraction has 451 states and 656 transitions. [2019-09-10 08:11:11,784 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 08:11:11,784 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 656 transitions. [2019-09-10 08:11:11,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-09-10 08:11:11,785 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:11:11,786 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:11:11,786 INFO L418 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:11:11,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:11:11,786 INFO L82 PathProgramCache]: Analyzing trace with hash -317145100, now seen corresponding path program 1 times [2019-09-10 08:11:11,786 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:11:11,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:11,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:11:11,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:11,788 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:11:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:11:11,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:11:11,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:11:11,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 08:11:11,899 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:11:11,899 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 08:11:11,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 08:11:11,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:11:11,900 INFO L87 Difference]: Start difference. First operand 451 states and 656 transitions. Second operand 5 states. [2019-09-10 08:11:12,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:11:12,080 INFO L93 Difference]: Finished difference Result 451 states and 651 transitions. [2019-09-10 08:11:12,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 08:11:12,081 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 101 [2019-09-10 08:11:12,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:11:12,085 INFO L225 Difference]: With dead ends: 451 [2019-09-10 08:11:12,086 INFO L226 Difference]: Without dead ends: 451 [2019-09-10 08:11:12,086 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-10 08:11:12,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2019-09-10 08:11:12,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 451. [2019-09-10 08:11:12,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2019-09-10 08:11:12,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 651 transitions. [2019-09-10 08:11:12,099 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 651 transitions. Word has length 101 [2019-09-10 08:11:12,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:11:12,100 INFO L475 AbstractCegarLoop]: Abstraction has 451 states and 651 transitions. [2019-09-10 08:11:12,100 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 08:11:12,103 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 651 transitions. [2019-09-10 08:11:12,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-09-10 08:11:12,105 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:11:12,106 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:11:12,113 INFO L418 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:11:12,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:11:12,114 INFO L82 PathProgramCache]: Analyzing trace with hash -761237271, now seen corresponding path program 1 times [2019-09-10 08:11:12,114 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:11:12,117 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:12,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:11:12,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:12,118 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:11:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:11:12,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:11:12,253 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:11:12,254 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 08:11:12,254 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:11:12,255 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 08:11:12,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 08:11:12,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:11:12,256 INFO L87 Difference]: Start difference. First operand 451 states and 651 transitions. Second operand 5 states. [2019-09-10 08:11:12,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:11:12,447 INFO L93 Difference]: Finished difference Result 451 states and 646 transitions. [2019-09-10 08:11:12,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 08:11:12,448 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2019-09-10 08:11:12,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:11:12,451 INFO L225 Difference]: With dead ends: 451 [2019-09-10 08:11:12,451 INFO L226 Difference]: Without dead ends: 451 [2019-09-10 08:11:12,451 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-10 08:11:12,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2019-09-10 08:11:12,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 451. [2019-09-10 08:11:12,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2019-09-10 08:11:12,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 646 transitions. [2019-09-10 08:11:12,464 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 646 transitions. Word has length 102 [2019-09-10 08:11:12,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:11:12,464 INFO L475 AbstractCegarLoop]: Abstraction has 451 states and 646 transitions. [2019-09-10 08:11:12,464 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 08:11:12,464 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 646 transitions. [2019-09-10 08:11:12,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-10 08:11:12,465 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:11:12,466 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:11:12,466 INFO L418 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:11:12,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:11:12,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1874562471, now seen corresponding path program 1 times [2019-09-10 08:11:12,467 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:11:12,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:12,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:11:12,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:12,468 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:11:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:11:12,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:11:12,625 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:11:12,625 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-10 08:11:12,625 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:11:12,625 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 08:11:12,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 08:11:12,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-09-10 08:11:12,626 INFO L87 Difference]: Start difference. First operand 451 states and 646 transitions. Second operand 8 states. [2019-09-10 08:11:12,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:11:12,939 INFO L93 Difference]: Finished difference Result 2008 states and 2981 transitions. [2019-09-10 08:11:12,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 08:11:12,940 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-09-10 08:11:12,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:11:12,949 INFO L225 Difference]: With dead ends: 2008 [2019-09-10 08:11:12,950 INFO L226 Difference]: Without dead ends: 2008 [2019-09-10 08:11:12,950 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2019-09-10 08:11:12,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2008 states. [2019-09-10 08:11:12,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2008 to 584. [2019-09-10 08:11:12,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2019-09-10 08:11:12,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 847 transitions. [2019-09-10 08:11:12,975 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 847 transitions. Word has length 103 [2019-09-10 08:11:12,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:11:12,976 INFO L475 AbstractCegarLoop]: Abstraction has 584 states and 847 transitions. [2019-09-10 08:11:12,976 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 08:11:12,976 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 847 transitions. [2019-09-10 08:11:12,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-10 08:11:12,977 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:11:12,978 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:11:12,978 INFO L418 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:11:12,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:11:12,978 INFO L82 PathProgramCache]: Analyzing trace with hash 536999613, now seen corresponding path program 1 times [2019-09-10 08:11:12,978 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:11:12,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:12,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:11:12,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:12,980 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:11:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:11:13,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:11:13,324 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:11:13,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-10 08:11:13,324 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:11:13,325 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 08:11:13,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 08:11:13,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-09-10 08:11:13,326 INFO L87 Difference]: Start difference. First operand 584 states and 847 transitions. Second operand 8 states. [2019-09-10 08:11:13,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:11:13,636 INFO L93 Difference]: Finished difference Result 2122 states and 3155 transitions. [2019-09-10 08:11:13,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 08:11:13,636 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-09-10 08:11:13,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:11:13,647 INFO L225 Difference]: With dead ends: 2122 [2019-09-10 08:11:13,647 INFO L226 Difference]: Without dead ends: 2122 [2019-09-10 08:11:13,648 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2019-09-10 08:11:13,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2122 states. [2019-09-10 08:11:13,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2122 to 918. [2019-09-10 08:11:13,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2019-09-10 08:11:13,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1356 transitions. [2019-09-10 08:11:13,690 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1356 transitions. Word has length 103 [2019-09-10 08:11:13,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:11:13,690 INFO L475 AbstractCegarLoop]: Abstraction has 918 states and 1356 transitions. [2019-09-10 08:11:13,690 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 08:11:13,691 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1356 transitions. [2019-09-10 08:11:13,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-10 08:11:13,692 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:11:13,692 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:11:13,692 INFO L418 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:11:13,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:11:13,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1732033126, now seen corresponding path program 1 times [2019-09-10 08:11:13,693 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:11:13,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:13,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:11:13,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:13,695 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:11:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:11:13,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:11:13,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:11:13,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 08:11:13,795 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:11:13,795 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 08:11:13,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 08:11:13,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:11:13,796 INFO L87 Difference]: Start difference. First operand 918 states and 1356 transitions. Second operand 5 states. [2019-09-10 08:11:13,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:11:13,904 INFO L93 Difference]: Finished difference Result 1544 states and 2296 transitions. [2019-09-10 08:11:13,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 08:11:13,905 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2019-09-10 08:11:13,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:11:13,912 INFO L225 Difference]: With dead ends: 1544 [2019-09-10 08:11:13,913 INFO L226 Difference]: Without dead ends: 1544 [2019-09-10 08:11:13,913 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-09-10 08:11:13,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2019-09-10 08:11:13,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1354. [2019-09-10 08:11:13,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1354 states. [2019-09-10 08:11:13,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1354 states and 2017 transitions. [2019-09-10 08:11:13,949 INFO L78 Accepts]: Start accepts. Automaton has 1354 states and 2017 transitions. Word has length 103 [2019-09-10 08:11:13,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:11:13,949 INFO L475 AbstractCegarLoop]: Abstraction has 1354 states and 2017 transitions. [2019-09-10 08:11:13,949 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 08:11:13,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 2017 transitions. [2019-09-10 08:11:13,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-10 08:11:13,951 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:11:13,951 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:11:13,951 INFO L418 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:11:13,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:11:13,952 INFO L82 PathProgramCache]: Analyzing trace with hash -362799159, now seen corresponding path program 1 times [2019-09-10 08:11:13,952 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:11:13,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:13,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:11:13,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:13,954 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:11:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:11:14,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:11:14,031 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:11:14,031 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 08:11:14,031 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:11:14,031 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 08:11:14,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 08:11:14,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:11:14,032 INFO L87 Difference]: Start difference. First operand 1354 states and 2017 transitions. Second operand 3 states. [2019-09-10 08:11:14,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:11:14,090 INFO L93 Difference]: Finished difference Result 1494 states and 2211 transitions. [2019-09-10 08:11:14,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 08:11:14,091 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2019-09-10 08:11:14,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:11:14,098 INFO L225 Difference]: With dead ends: 1494 [2019-09-10 08:11:14,099 INFO L226 Difference]: Without dead ends: 1494 [2019-09-10 08:11:14,100 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:11:14,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2019-09-10 08:11:14,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1492. [2019-09-10 08:11:14,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1492 states. [2019-09-10 08:11:14,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 2210 transitions. [2019-09-10 08:11:14,146 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 2210 transitions. Word has length 103 [2019-09-10 08:11:14,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:11:14,146 INFO L475 AbstractCegarLoop]: Abstraction has 1492 states and 2210 transitions. [2019-09-10 08:11:14,146 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 08:11:14,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 2210 transitions. [2019-09-10 08:11:14,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-10 08:11:14,148 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:11:14,148 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:11:14,148 INFO L418 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:11:14,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:11:14,149 INFO L82 PathProgramCache]: Analyzing trace with hash -604016886, now seen corresponding path program 1 times [2019-09-10 08:11:14,149 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:11:14,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:14,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:11:14,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:14,150 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:11:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:11:14,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:11:14,208 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:11:14,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 08:11:14,208 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:11:14,209 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 08:11:14,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 08:11:14,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:11:14,210 INFO L87 Difference]: Start difference. First operand 1492 states and 2210 transitions. Second operand 3 states. [2019-09-10 08:11:14,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:11:14,246 INFO L93 Difference]: Finished difference Result 2616 states and 3840 transitions. [2019-09-10 08:11:14,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 08:11:14,246 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2019-09-10 08:11:14,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:11:14,258 INFO L225 Difference]: With dead ends: 2616 [2019-09-10 08:11:14,258 INFO L226 Difference]: Without dead ends: 2616 [2019-09-10 08:11:14,259 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:11:14,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2616 states. [2019-09-10 08:11:14,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2616 to 2614. [2019-09-10 08:11:14,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2614 states. [2019-09-10 08:11:14,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2614 states to 2614 states and 3839 transitions. [2019-09-10 08:11:14,331 INFO L78 Accepts]: Start accepts. Automaton has 2614 states and 3839 transitions. Word has length 103 [2019-09-10 08:11:14,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:11:14,331 INFO L475 AbstractCegarLoop]: Abstraction has 2614 states and 3839 transitions. [2019-09-10 08:11:14,331 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 08:11:14,331 INFO L276 IsEmpty]: Start isEmpty. Operand 2614 states and 3839 transitions. [2019-09-10 08:11:14,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-10 08:11:14,333 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:11:14,333 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:11:14,333 INFO L418 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:11:14,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:11:14,334 INFO L82 PathProgramCache]: Analyzing trace with hash 258657232, now seen corresponding path program 1 times [2019-09-10 08:11:14,334 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:11:14,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:14,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:11:14,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:14,336 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:11:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:11:14,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:11:14,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:11:14,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 08:11:14,473 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:11:14,473 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 08:11:14,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 08:11:14,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:11:14,474 INFO L87 Difference]: Start difference. First operand 2614 states and 3839 transitions. Second operand 5 states. [2019-09-10 08:11:14,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:11:14,574 INFO L93 Difference]: Finished difference Result 3162 states and 4635 transitions. [2019-09-10 08:11:14,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 08:11:14,574 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2019-09-10 08:11:14,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:11:14,587 INFO L225 Difference]: With dead ends: 3162 [2019-09-10 08:11:14,588 INFO L226 Difference]: Without dead ends: 3162 [2019-09-10 08:11:14,588 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-09-10 08:11:14,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3162 states. [2019-09-10 08:11:14,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3162 to 2878. [2019-09-10 08:11:14,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2878 states. [2019-09-10 08:11:14,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2878 states to 2878 states and 4229 transitions. [2019-09-10 08:11:14,654 INFO L78 Accepts]: Start accepts. Automaton has 2878 states and 4229 transitions. Word has length 103 [2019-09-10 08:11:14,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:11:14,654 INFO L475 AbstractCegarLoop]: Abstraction has 2878 states and 4229 transitions. [2019-09-10 08:11:14,654 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 08:11:14,654 INFO L276 IsEmpty]: Start isEmpty. Operand 2878 states and 4229 transitions. [2019-09-10 08:11:14,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-10 08:11:14,656 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:11:14,656 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:11:14,656 INFO L418 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:11:14,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:11:14,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1863479507, now seen corresponding path program 1 times [2019-09-10 08:11:14,657 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:11:14,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:14,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:11:14,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:14,658 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:11:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:11:14,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:11:14,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:11:14,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-10 08:11:14,879 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:11:14,880 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 08:11:14,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 08:11:14,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-10 08:11:14,881 INFO L87 Difference]: Start difference. First operand 2878 states and 4229 transitions. Second operand 8 states. [2019-09-10 08:11:15,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:11:15,231 INFO L93 Difference]: Finished difference Result 8487 states and 12516 transitions. [2019-09-10 08:11:15,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 08:11:15,232 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-09-10 08:11:15,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:11:15,281 INFO L225 Difference]: With dead ends: 8487 [2019-09-10 08:11:15,281 INFO L226 Difference]: Without dead ends: 8487 [2019-09-10 08:11:15,282 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2019-09-10 08:11:15,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8487 states. [2019-09-10 08:11:15,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8487 to 3416. [2019-09-10 08:11:15,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3416 states. [2019-09-10 08:11:15,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3416 states to 3416 states and 5023 transitions. [2019-09-10 08:11:15,435 INFO L78 Accepts]: Start accepts. Automaton has 3416 states and 5023 transitions. Word has length 103 [2019-09-10 08:11:15,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:11:15,436 INFO L475 AbstractCegarLoop]: Abstraction has 3416 states and 5023 transitions. [2019-09-10 08:11:15,436 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 08:11:15,436 INFO L276 IsEmpty]: Start isEmpty. Operand 3416 states and 5023 transitions. [2019-09-10 08:11:15,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-10 08:11:15,437 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:11:15,438 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:11:15,438 INFO L418 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:11:15,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:11:15,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1229981692, now seen corresponding path program 1 times [2019-09-10 08:11:15,439 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:11:15,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:15,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:11:15,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:15,442 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:11:15,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:11:15,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:11:15,666 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:11:15,667 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-10 08:11:15,667 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:11:15,667 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 08:11:15,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 08:11:15,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-10 08:11:15,668 INFO L87 Difference]: Start difference. First operand 3416 states and 5023 transitions. Second operand 8 states. [2019-09-10 08:11:16,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:11:16,018 INFO L93 Difference]: Finished difference Result 8903 states and 13134 transitions. [2019-09-10 08:11:16,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 08:11:16,019 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-09-10 08:11:16,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:11:16,048 INFO L225 Difference]: With dead ends: 8903 [2019-09-10 08:11:16,048 INFO L226 Difference]: Without dead ends: 8903 [2019-09-10 08:11:16,048 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2019-09-10 08:11:16,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8903 states. [2019-09-10 08:11:16,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8903 to 3979. [2019-09-10 08:11:16,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3979 states. [2019-09-10 08:11:16,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3979 states to 3979 states and 5857 transitions. [2019-09-10 08:11:16,218 INFO L78 Accepts]: Start accepts. Automaton has 3979 states and 5857 transitions. Word has length 103 [2019-09-10 08:11:16,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:11:16,219 INFO L475 AbstractCegarLoop]: Abstraction has 3979 states and 5857 transitions. [2019-09-10 08:11:16,219 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 08:11:16,219 INFO L276 IsEmpty]: Start isEmpty. Operand 3979 states and 5857 transitions. [2019-09-10 08:11:16,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-09-10 08:11:16,222 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:11:16,222 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:11:16,222 INFO L418 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:11:16,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:11:16,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1636218723, now seen corresponding path program 1 times [2019-09-10 08:11:16,223 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:11:16,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:16,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:11:16,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:16,225 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:11:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:11:16,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:11:16,321 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:11:16,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 08:11:16,321 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:11:16,322 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 08:11:16,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 08:11:16,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 08:11:16,322 INFO L87 Difference]: Start difference. First operand 3979 states and 5857 transitions. Second operand 5 states. [2019-09-10 08:11:16,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:11:16,409 INFO L93 Difference]: Finished difference Result 6711 states and 9850 transitions. [2019-09-10 08:11:16,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 08:11:16,410 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2019-09-10 08:11:16,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:11:16,425 INFO L225 Difference]: With dead ends: 6711 [2019-09-10 08:11:16,425 INFO L226 Difference]: Without dead ends: 6711 [2019-09-10 08:11:16,425 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-10 08:11:16,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6711 states. [2019-09-10 08:11:16,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6711 to 4007. [2019-09-10 08:11:16,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4007 states. [2019-09-10 08:11:16,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4007 states to 4007 states and 5873 transitions. [2019-09-10 08:11:16,534 INFO L78 Accepts]: Start accepts. Automaton has 4007 states and 5873 transitions. Word has length 104 [2019-09-10 08:11:16,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:11:16,534 INFO L475 AbstractCegarLoop]: Abstraction has 4007 states and 5873 transitions. [2019-09-10 08:11:16,534 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 08:11:16,534 INFO L276 IsEmpty]: Start isEmpty. Operand 4007 states and 5873 transitions. [2019-09-10 08:11:16,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-09-10 08:11:16,536 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:11:16,536 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:11:16,537 INFO L418 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:11:16,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:11:16,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1313866017, now seen corresponding path program 1 times [2019-09-10 08:11:16,537 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:11:16,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:16,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:11:16,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:16,539 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:11:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:11:16,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:11:16,676 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:11:16,676 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 08:11:16,676 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:11:16,677 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 08:11:16,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 08:11:16,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-10 08:11:16,677 INFO L87 Difference]: Start difference. First operand 4007 states and 5873 transitions. Second operand 4 states. [2019-09-10 08:11:16,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:11:16,718 INFO L93 Difference]: Finished difference Result 5654 states and 8263 transitions. [2019-09-10 08:11:16,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-10 08:11:16,719 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2019-09-10 08:11:16,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:11:16,729 INFO L225 Difference]: With dead ends: 5654 [2019-09-10 08:11:16,730 INFO L226 Difference]: Without dead ends: 5654 [2019-09-10 08:11:16,730 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-09-10 08:11:16,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5654 states. [2019-09-10 08:11:16,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5654 to 5652. [2019-09-10 08:11:16,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5652 states. [2019-09-10 08:11:16,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5652 states to 5652 states and 8262 transitions. [2019-09-10 08:11:16,857 INFO L78 Accepts]: Start accepts. Automaton has 5652 states and 8262 transitions. Word has length 104 [2019-09-10 08:11:16,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:11:16,857 INFO L475 AbstractCegarLoop]: Abstraction has 5652 states and 8262 transitions. [2019-09-10 08:11:16,857 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 08:11:16,858 INFO L276 IsEmpty]: Start isEmpty. Operand 5652 states and 8262 transitions. [2019-09-10 08:11:16,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-09-10 08:11:16,860 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:11:16,860 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:11:16,860 INFO L418 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:11:16,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:11:16,861 INFO L82 PathProgramCache]: Analyzing trace with hash -235929603, now seen corresponding path program 1 times [2019-09-10 08:11:16,861 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:11:16,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:16,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:11:16,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:16,863 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:11:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:11:17,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:11:17,146 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:11:17,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-10 08:11:17,146 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:11:17,146 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-10 08:11:17,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-10 08:11:17,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-09-10 08:11:17,147 INFO L87 Difference]: Start difference. First operand 5652 states and 8262 transitions. Second operand 10 states. [2019-09-10 08:11:18,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:11:18,297 INFO L93 Difference]: Finished difference Result 11171 states and 16255 transitions. [2019-09-10 08:11:18,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-10 08:11:18,298 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2019-09-10 08:11:18,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:11:18,319 INFO L225 Difference]: With dead ends: 11171 [2019-09-10 08:11:18,319 INFO L226 Difference]: Without dead ends: 11171 [2019-09-10 08:11:18,320 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=140, Invalid=412, Unknown=0, NotChecked=0, Total=552 [2019-09-10 08:11:18,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11171 states. [2019-09-10 08:11:18,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11171 to 5652. [2019-09-10 08:11:18,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5652 states. [2019-09-10 08:11:18,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5652 states to 5652 states and 8259 transitions. [2019-09-10 08:11:18,511 INFO L78 Accepts]: Start accepts. Automaton has 5652 states and 8259 transitions. Word has length 105 [2019-09-10 08:11:18,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:11:18,512 INFO L475 AbstractCegarLoop]: Abstraction has 5652 states and 8259 transitions. [2019-09-10 08:11:18,512 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-10 08:11:18,512 INFO L276 IsEmpty]: Start isEmpty. Operand 5652 states and 8259 transitions. [2019-09-10 08:11:18,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-09-10 08:11:18,515 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:11:18,515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:11:18,515 INFO L418 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:11:18,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:11:18,516 INFO L82 PathProgramCache]: Analyzing trace with hash 457052476, now seen corresponding path program 1 times [2019-09-10 08:11:18,516 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:11:18,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:18,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:11:18,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:18,519 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:11:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:11:18,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:11:18,873 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:11:18,873 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-10 08:11:18,873 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:11:18,874 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-10 08:11:18,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-10 08:11:18,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-09-10 08:11:18,876 INFO L87 Difference]: Start difference. First operand 5652 states and 8259 transitions. Second operand 10 states. [2019-09-10 08:11:19,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:11:19,832 INFO L93 Difference]: Finished difference Result 11274 states and 16402 transitions. [2019-09-10 08:11:19,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-10 08:11:19,833 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2019-09-10 08:11:19,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:11:19,856 INFO L225 Difference]: With dead ends: 11274 [2019-09-10 08:11:19,856 INFO L226 Difference]: Without dead ends: 11274 [2019-09-10 08:11:19,858 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2019-09-10 08:11:19,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11274 states. [2019-09-10 08:11:19,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11274 to 5652. [2019-09-10 08:11:19,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5652 states. [2019-09-10 08:11:19,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5652 states to 5652 states and 8248 transitions. [2019-09-10 08:11:19,977 INFO L78 Accepts]: Start accepts. Automaton has 5652 states and 8248 transitions. Word has length 105 [2019-09-10 08:11:19,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:11:19,978 INFO L475 AbstractCegarLoop]: Abstraction has 5652 states and 8248 transitions. [2019-09-10 08:11:19,978 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-10 08:11:19,978 INFO L276 IsEmpty]: Start isEmpty. Operand 5652 states and 8248 transitions. [2019-09-10 08:11:19,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-09-10 08:11:19,980 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:11:19,980 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:11:19,980 INFO L418 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:11:19,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:11:19,981 INFO L82 PathProgramCache]: Analyzing trace with hash 123712296, now seen corresponding path program 1 times [2019-09-10 08:11:19,981 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:11:19,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:19,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:11:19,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:19,982 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:11:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:11:20,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:11:20,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:11:20,272 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-10 08:11:20,272 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:11:20,272 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-10 08:11:20,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-10 08:11:20,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-10 08:11:20,273 INFO L87 Difference]: Start difference. First operand 5652 states and 8248 transitions. Second operand 9 states. [2019-09-10 08:11:20,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:11:20,937 INFO L93 Difference]: Finished difference Result 11010 states and 16086 transitions. [2019-09-10 08:11:20,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-10 08:11:20,938 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 105 [2019-09-10 08:11:20,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:11:20,960 INFO L225 Difference]: With dead ends: 11010 [2019-09-10 08:11:20,960 INFO L226 Difference]: Without dead ends: 11010 [2019-09-10 08:11:20,961 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2019-09-10 08:11:20,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11010 states. [2019-09-10 08:11:21,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11010 to 5652. [2019-09-10 08:11:21,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5652 states. [2019-09-10 08:11:21,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5652 states to 5652 states and 8247 transitions. [2019-09-10 08:11:21,071 INFO L78 Accepts]: Start accepts. Automaton has 5652 states and 8247 transitions. Word has length 105 [2019-09-10 08:11:21,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:11:21,072 INFO L475 AbstractCegarLoop]: Abstraction has 5652 states and 8247 transitions. [2019-09-10 08:11:21,072 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-10 08:11:21,072 INFO L276 IsEmpty]: Start isEmpty. Operand 5652 states and 8247 transitions. [2019-09-10 08:11:21,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-09-10 08:11:21,074 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:11:21,074 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:11:21,074 INFO L418 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:11:21,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:11:21,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1720709662, now seen corresponding path program 1 times [2019-09-10 08:11:21,075 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:11:21,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:21,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:11:21,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:21,077 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:11:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:11:21,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:11:21,346 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:11:21,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-10 08:11:21,347 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:11:21,347 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-10 08:11:21,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-10 08:11:21,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-09-10 08:11:21,348 INFO L87 Difference]: Start difference. First operand 5652 states and 8247 transitions. Second operand 10 states. [2019-09-10 08:11:22,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:11:22,323 INFO L93 Difference]: Finished difference Result 11319 states and 16464 transitions. [2019-09-10 08:11:22,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-10 08:11:22,323 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 106 [2019-09-10 08:11:22,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:11:22,340 INFO L225 Difference]: With dead ends: 11319 [2019-09-10 08:11:22,340 INFO L226 Difference]: Without dead ends: 11319 [2019-09-10 08:11:22,341 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2019-09-10 08:11:22,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11319 states. [2019-09-10 08:11:22,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11319 to 5652. [2019-09-10 08:11:22,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5652 states. [2019-09-10 08:11:22,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5652 states to 5652 states and 8241 transitions. [2019-09-10 08:11:22,482 INFO L78 Accepts]: Start accepts. Automaton has 5652 states and 8241 transitions. Word has length 106 [2019-09-10 08:11:22,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:11:22,483 INFO L475 AbstractCegarLoop]: Abstraction has 5652 states and 8241 transitions. [2019-09-10 08:11:22,483 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-10 08:11:22,483 INFO L276 IsEmpty]: Start isEmpty. Operand 5652 states and 8241 transitions. [2019-09-10 08:11:22,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-09-10 08:11:22,486 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:11:22,487 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:11:22,487 INFO L418 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:11:22,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:11:22,488 INFO L82 PathProgramCache]: Analyzing trace with hash -1487430692, now seen corresponding path program 1 times [2019-09-10 08:11:22,488 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:11:22,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:22,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:11:22,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:22,494 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:11:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:11:22,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:11:22,831 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:11:22,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-10 08:11:22,831 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:11:22,832 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-10 08:11:22,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-10 08:11:22,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-09-10 08:11:22,833 INFO L87 Difference]: Start difference. First operand 5652 states and 8241 transitions. Second operand 10 states. [2019-09-10 08:11:23,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:11:23,790 INFO L93 Difference]: Finished difference Result 11229 states and 16308 transitions. [2019-09-10 08:11:23,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-10 08:11:23,792 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 107 [2019-09-10 08:11:23,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:11:23,809 INFO L225 Difference]: With dead ends: 11229 [2019-09-10 08:11:23,809 INFO L226 Difference]: Without dead ends: 11229 [2019-09-10 08:11:23,810 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2019-09-10 08:11:23,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11229 states. [2019-09-10 08:11:23,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11229 to 5652. [2019-09-10 08:11:23,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5652 states. [2019-09-10 08:11:23,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5652 states to 5652 states and 8228 transitions. [2019-09-10 08:11:23,929 INFO L78 Accepts]: Start accepts. Automaton has 5652 states and 8228 transitions. Word has length 107 [2019-09-10 08:11:23,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:11:23,929 INFO L475 AbstractCegarLoop]: Abstraction has 5652 states and 8228 transitions. [2019-09-10 08:11:23,930 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-10 08:11:23,930 INFO L276 IsEmpty]: Start isEmpty. Operand 5652 states and 8228 transitions. [2019-09-10 08:11:23,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-09-10 08:11:23,936 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:11:23,936 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:11:23,936 INFO L418 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:11:23,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:11:23,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1512655426, now seen corresponding path program 1 times [2019-09-10 08:11:23,937 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:11:23,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:23,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:11:23,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:23,940 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:11:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:11:24,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:11:24,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:11:24,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-10 08:11:24,168 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:11:24,169 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-10 08:11:24,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-10 08:11:24,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-09-10 08:11:24,169 INFO L87 Difference]: Start difference. First operand 5652 states and 8228 transitions. Second operand 10 states. [2019-09-10 08:11:25,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:11:25,212 INFO L93 Difference]: Finished difference Result 11304 states and 16404 transitions. [2019-09-10 08:11:25,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-10 08:11:25,213 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 108 [2019-09-10 08:11:25,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:11:25,226 INFO L225 Difference]: With dead ends: 11304 [2019-09-10 08:11:25,226 INFO L226 Difference]: Without dead ends: 11304 [2019-09-10 08:11:25,227 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=120, Invalid=342, Unknown=0, NotChecked=0, Total=462 [2019-09-10 08:11:25,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11304 states. [2019-09-10 08:11:25,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11304 to 5652. [2019-09-10 08:11:25,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5652 states. [2019-09-10 08:11:25,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5652 states to 5652 states and 8219 transitions. [2019-09-10 08:11:25,336 INFO L78 Accepts]: Start accepts. Automaton has 5652 states and 8219 transitions. Word has length 108 [2019-09-10 08:11:25,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:11:25,337 INFO L475 AbstractCegarLoop]: Abstraction has 5652 states and 8219 transitions. [2019-09-10 08:11:25,337 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-10 08:11:25,337 INFO L276 IsEmpty]: Start isEmpty. Operand 5652 states and 8219 transitions. [2019-09-10 08:11:25,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-09-10 08:11:25,339 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:11:25,339 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:11:25,339 INFO L418 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:11:25,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:11:25,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1141422456, now seen corresponding path program 1 times [2019-09-10 08:11:25,340 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:11:25,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:25,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:11:25,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:25,342 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:11:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:11:26,898 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 64 [2019-09-10 08:11:27,054 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2019-09-10 08:11:27,262 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 63 [2019-09-10 08:11:27,429 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-10 08:11:27,583 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 56 [2019-09-10 08:11:29,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:11:29,095 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:11:29,095 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2019-09-10 08:11:29,095 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:11:29,096 INFO L454 AbstractCegarLoop]: Interpolant automaton has 36 states [2019-09-10 08:11:29,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2019-09-10 08:11:29,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=1164, Unknown=0, NotChecked=0, Total=1260 [2019-09-10 08:11:29,097 INFO L87 Difference]: Start difference. First operand 5652 states and 8219 transitions. Second operand 36 states. [2019-09-10 08:11:29,299 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2019-09-10 08:11:30,713 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2019-09-10 08:11:31,079 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 54 [2019-09-10 08:11:31,650 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2019-09-10 08:11:32,022 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 84 [2019-09-10 08:11:32,528 WARN L188 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 99 [2019-09-10 08:11:33,063 WARN L188 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 106 [2019-09-10 08:11:33,724 WARN L188 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 121 [2019-09-10 08:11:34,414 WARN L188 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 128 [2019-09-10 08:11:35,224 WARN L188 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 138 [2019-09-10 08:11:36,147 WARN L188 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 157 [2019-09-10 08:11:37,623 WARN L188 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 190 DAG size of output: 170 [2019-09-10 08:11:37,971 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2019-09-10 08:11:38,312 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 85 [2019-09-10 08:11:38,721 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 87 [2019-09-10 08:11:39,077 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2019-09-10 08:11:39,746 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 79 [2019-09-10 08:11:40,299 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 77 [2019-09-10 08:11:40,804 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 74 [2019-09-10 08:11:41,315 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 74 [2019-09-10 08:11:42,125 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 71 [2019-09-10 08:11:42,731 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 71 [2019-09-10 08:11:43,649 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 67 [2019-09-10 08:11:44,345 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 67 [2019-09-10 08:11:50,390 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-10 08:11:50,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:11:50,771 INFO L93 Difference]: Finished difference Result 29256 states and 42760 transitions. [2019-09-10 08:11:50,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2019-09-10 08:11:50,771 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 109 [2019-09-10 08:11:50,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:11:50,800 INFO L225 Difference]: With dead ends: 29256 [2019-09-10 08:11:50,800 INFO L226 Difference]: Without dead ends: 29256 [2019-09-10 08:11:50,802 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1085 ImplicationChecksByTransitivity, 15.1s TimeCoverageRelationStatistics Valid=1089, Invalid=5073, Unknown=0, NotChecked=0, Total=6162 [2019-09-10 08:11:50,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29256 states. [2019-09-10 08:11:51,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29256 to 5677. [2019-09-10 08:11:51,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5677 states. [2019-09-10 08:11:51,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5677 states to 5677 states and 8250 transitions. [2019-09-10 08:11:51,021 INFO L78 Accepts]: Start accepts. Automaton has 5677 states and 8250 transitions. Word has length 109 [2019-09-10 08:11:51,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:11:51,021 INFO L475 AbstractCegarLoop]: Abstraction has 5677 states and 8250 transitions. [2019-09-10 08:11:51,021 INFO L476 AbstractCegarLoop]: Interpolant automaton has 36 states. [2019-09-10 08:11:51,021 INFO L276 IsEmpty]: Start isEmpty. Operand 5677 states and 8250 transitions. [2019-09-10 08:11:51,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-09-10 08:11:51,023 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:11:51,023 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:11:51,023 INFO L418 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:11:51,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:11:51,024 INFO L82 PathProgramCache]: Analyzing trace with hash -962103610, now seen corresponding path program 1 times [2019-09-10 08:11:51,024 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:11:51,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:51,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:11:51,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:11:51,025 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:11:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:11:51,938 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2019-09-10 08:11:52,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:11:52,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:11:52,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2019-09-10 08:11:52,735 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:11:52,735 INFO L454 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-09-10 08:11:52,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-09-10 08:11:52,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2019-09-10 08:11:52,735 INFO L87 Difference]: Start difference. First operand 5677 states and 8250 transitions. Second operand 25 states. [2019-09-10 08:11:53,889 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2019-09-10 08:11:54,144 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-10 08:11:54,519 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2019-09-10 08:11:54,920 WARN L188 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 92 [2019-09-10 08:11:55,419 WARN L188 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 111 [2019-09-10 08:11:55,931 WARN L188 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 116 [2019-09-10 08:11:56,165 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2019-09-10 08:11:56,320 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2019-09-10 08:11:56,710 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2019-09-10 08:11:57,142 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 58 [2019-09-10 08:11:57,425 WARN L188 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2019-09-10 08:11:57,793 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2019-09-10 08:11:58,285 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2019-09-10 08:11:58,737 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2019-09-10 08:12:00,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:12:00,733 INFO L93 Difference]: Finished difference Result 18188 states and 26540 transitions. [2019-09-10 08:12:00,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-09-10 08:12:00,733 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 109 [2019-09-10 08:12:00,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:12:00,750 INFO L225 Difference]: With dead ends: 18188 [2019-09-10 08:12:00,750 INFO L226 Difference]: Without dead ends: 18188 [2019-09-10 08:12:00,751 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=495, Invalid=2055, Unknown=0, NotChecked=0, Total=2550 [2019-09-10 08:12:00,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18188 states. [2019-09-10 08:12:00,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18188 to 5687. [2019-09-10 08:12:00,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5687 states. [2019-09-10 08:12:00,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5687 states to 5687 states and 8256 transitions. [2019-09-10 08:12:00,859 INFO L78 Accepts]: Start accepts. Automaton has 5687 states and 8256 transitions. Word has length 109 [2019-09-10 08:12:00,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:12:00,859 INFO L475 AbstractCegarLoop]: Abstraction has 5687 states and 8256 transitions. [2019-09-10 08:12:00,860 INFO L476 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-09-10 08:12:00,860 INFO L276 IsEmpty]: Start isEmpty. Operand 5687 states and 8256 transitions. [2019-09-10 08:12:00,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-09-10 08:12:00,862 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:12:00,862 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:12:00,862 INFO L418 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:12:00,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:12:00,862 INFO L82 PathProgramCache]: Analyzing trace with hash -279703384, now seen corresponding path program 1 times [2019-09-10 08:12:00,863 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:12:00,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:12:00,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:12:00,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:12:00,864 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:12:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:12:01,941 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2019-09-10 08:12:02,123 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2019-09-10 08:12:02,294 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2019-09-10 08:12:02,487 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 64 [2019-09-10 08:12:02,644 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2019-09-10 08:12:02,829 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 61 [2019-09-10 08:12:03,562 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 53 [2019-09-10 08:12:03,761 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 38 [2019-09-10 08:12:05,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:12:05,124 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:12:05,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2019-09-10 08:12:05,124 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:12:05,124 INFO L454 AbstractCegarLoop]: Interpolant automaton has 36 states [2019-09-10 08:12:05,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2019-09-10 08:12:05,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=1187, Unknown=0, NotChecked=0, Total=1260 [2019-09-10 08:12:05,125 INFO L87 Difference]: Start difference. First operand 5687 states and 8256 transitions. Second operand 36 states. [2019-09-10 08:12:05,378 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 49 [2019-09-10 08:12:06,769 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 45 [2019-09-10 08:12:06,977 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 44 [2019-09-10 08:12:07,658 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 51 [2019-09-10 08:12:08,014 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 62 [2019-09-10 08:12:08,393 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 68 [2019-09-10 08:12:08,854 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 80 [2019-09-10 08:12:09,335 WARN L188 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 86 [2019-09-10 08:12:09,928 WARN L188 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 98 [2019-09-10 08:12:10,541 WARN L188 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 104 [2019-09-10 08:12:11,324 WARN L188 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 124 [2019-09-10 08:12:12,307 WARN L188 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 143 [2019-09-10 08:12:13,451 WARN L188 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 169 [2019-09-10 08:12:13,875 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 86 [2019-09-10 08:12:14,298 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 86 [2019-09-10 08:12:14,656 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 82 [2019-09-10 08:12:18,781 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 67 [2019-09-10 08:12:27,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:12:27,335 INFO L93 Difference]: Finished difference Result 21861 states and 31920 transitions. [2019-09-10 08:12:27,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2019-09-10 08:12:27,335 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 109 [2019-09-10 08:12:27,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:12:27,354 INFO L225 Difference]: With dead ends: 21861 [2019-09-10 08:12:27,355 INFO L226 Difference]: Without dead ends: 21861 [2019-09-10 08:12:27,356 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 12.9s TimeCoverageRelationStatistics Valid=705, Invalid=3851, Unknown=0, NotChecked=0, Total=4556 [2019-09-10 08:12:27,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21861 states. [2019-09-10 08:12:27,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21861 to 5725. [2019-09-10 08:12:27,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5725 states. [2019-09-10 08:12:27,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5725 states to 5725 states and 8305 transitions. [2019-09-10 08:12:27,580 INFO L78 Accepts]: Start accepts. Automaton has 5725 states and 8305 transitions. Word has length 109 [2019-09-10 08:12:27,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:12:27,580 INFO L475 AbstractCegarLoop]: Abstraction has 5725 states and 8305 transitions. [2019-09-10 08:12:27,581 INFO L476 AbstractCegarLoop]: Interpolant automaton has 36 states. [2019-09-10 08:12:27,581 INFO L276 IsEmpty]: Start isEmpty. Operand 5725 states and 8305 transitions. [2019-09-10 08:12:27,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-09-10 08:12:27,583 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:12:27,583 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:12:27,584 INFO L418 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:12:27,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:12:27,584 INFO L82 PathProgramCache]: Analyzing trace with hash -684647096, now seen corresponding path program 1 times [2019-09-10 08:12:27,584 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:12:27,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:12:27,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:12:27,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:12:27,586 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:12:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:12:29,896 WARN L188 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2019-09-10 08:12:30,212 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-10 08:12:30,405 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-10 08:12:32,939 WARN L188 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-10 08:12:34,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:12:34,465 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:12:34,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2019-09-10 08:12:34,465 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:12:34,465 INFO L454 AbstractCegarLoop]: Interpolant automaton has 36 states [2019-09-10 08:12:34,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2019-09-10 08:12:34,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=1162, Unknown=0, NotChecked=0, Total=1260 [2019-09-10 08:12:34,466 INFO L87 Difference]: Start difference. First operand 5725 states and 8305 transitions. Second operand 36 states. [2019-09-10 08:12:34,679 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2019-09-10 08:12:35,772 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 45 [2019-09-10 08:12:35,954 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-09-10 08:12:36,557 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2019-09-10 08:12:36,920 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2019-09-10 08:12:37,253 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2019-09-10 08:12:37,727 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 108 [2019-09-10 08:12:38,281 WARN L188 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 119 [2019-09-10 08:12:39,017 WARN L188 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 134 [2019-09-10 08:12:40,011 WARN L188 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 155 [2019-09-10 08:12:48,887 WARN L188 SmtUtils]: Spent 8.74 s on a formula simplification. DAG size of input: 194 DAG size of output: 177 [2019-09-10 08:13:10,925 WARN L188 SmtUtils]: Spent 21.92 s on a formula simplification. DAG size of input: 215 DAG size of output: 197 [2019-09-10 08:13:48,921 WARN L188 SmtUtils]: Spent 37.84 s on a formula simplification. DAG size of input: 231 DAG size of output: 213 [2019-09-10 08:13:49,352 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-10 08:13:49,658 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 87 [2019-09-10 08:13:49,871 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2019-09-10 08:13:50,104 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 66 [2019-09-10 08:13:50,387 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-10 08:13:50,588 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 63 [2019-09-10 08:13:51,003 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 84 [2019-09-10 08:13:51,324 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2019-09-10 08:13:51,840 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-10 08:13:52,051 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 60 [2019-09-10 08:13:52,593 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2019-09-10 08:13:52,846 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 57 [2019-09-10 08:13:53,422 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 78 [2019-09-10 08:13:55,095 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 75 [2019-09-10 08:13:55,960 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 73 [2019-09-10 08:13:56,485 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-09-10 08:13:57,221 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-09-10 08:14:07,770 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2019-09-10 08:14:08,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:14:08,176 INFO L93 Difference]: Finished difference Result 29837 states and 43527 transitions. [2019-09-10 08:14:08,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2019-09-10 08:14:08,180 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 109 [2019-09-10 08:14:08,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:14:08,207 INFO L225 Difference]: With dead ends: 29837 [2019-09-10 08:14:08,207 INFO L226 Difference]: Without dead ends: 29837 [2019-09-10 08:14:08,209 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1822 ImplicationChecksByTransitivity, 84.6s TimeCoverageRelationStatistics Valid=1352, Invalid=7204, Unknown=0, NotChecked=0, Total=8556 [2019-09-10 08:14:08,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29837 states. [2019-09-10 08:14:08,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29837 to 5765. [2019-09-10 08:14:08,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5765 states. [2019-09-10 08:14:08,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5765 states to 5765 states and 8360 transitions. [2019-09-10 08:14:08,399 INFO L78 Accepts]: Start accepts. Automaton has 5765 states and 8360 transitions. Word has length 109 [2019-09-10 08:14:08,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:14:08,399 INFO L475 AbstractCegarLoop]: Abstraction has 5765 states and 8360 transitions. [2019-09-10 08:14:08,399 INFO L476 AbstractCegarLoop]: Interpolant automaton has 36 states. [2019-09-10 08:14:08,399 INFO L276 IsEmpty]: Start isEmpty. Operand 5765 states and 8360 transitions. [2019-09-10 08:14:08,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-09-10 08:14:08,401 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:14:08,401 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:14:08,401 INFO L418 AbstractCegarLoop]: === Iteration 28 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:14:08,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:14:08,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1344722937, now seen corresponding path program 1 times [2019-09-10 08:14:08,402 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:14:08,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:08,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:14:08,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:08,404 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:14:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:14:09,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:14:09,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:14:09,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2019-09-10 08:14:09,376 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:14:09,377 INFO L454 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-09-10 08:14:09,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-09-10 08:14:09,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2019-09-10 08:14:09,377 INFO L87 Difference]: Start difference. First operand 5765 states and 8360 transitions. Second operand 17 states. [2019-09-10 08:14:10,008 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 40 [2019-09-10 08:14:10,180 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 55 [2019-09-10 08:14:10,450 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2019-09-10 08:14:10,640 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2019-09-10 08:14:10,841 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2019-09-10 08:14:11,100 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 49 [2019-09-10 08:14:11,312 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 43 [2019-09-10 08:14:11,476 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 43 [2019-09-10 08:14:12,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:14:12,575 INFO L93 Difference]: Finished difference Result 17278 states and 25230 transitions. [2019-09-10 08:14:12,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-09-10 08:14:12,576 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 109 [2019-09-10 08:14:12,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:14:12,591 INFO L225 Difference]: With dead ends: 17278 [2019-09-10 08:14:12,591 INFO L226 Difference]: Without dead ends: 17278 [2019-09-10 08:14:12,592 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=260, Invalid=862, Unknown=0, NotChecked=0, Total=1122 [2019-09-10 08:14:12,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17278 states. [2019-09-10 08:14:12,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17278 to 5740. [2019-09-10 08:14:12,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5740 states. [2019-09-10 08:14:12,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5740 states to 5740 states and 8323 transitions. [2019-09-10 08:14:12,699 INFO L78 Accepts]: Start accepts. Automaton has 5740 states and 8323 transitions. Word has length 109 [2019-09-10 08:14:12,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:14:12,699 INFO L475 AbstractCegarLoop]: Abstraction has 5740 states and 8323 transitions. [2019-09-10 08:14:12,699 INFO L476 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-09-10 08:14:12,699 INFO L276 IsEmpty]: Start isEmpty. Operand 5740 states and 8323 transitions. [2019-09-10 08:14:12,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-09-10 08:14:12,701 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:14:12,701 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:14:12,701 INFO L418 AbstractCegarLoop]: === Iteration 29 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:14:12,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:14:12,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1244058685, now seen corresponding path program 1 times [2019-09-10 08:14:12,702 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:14:12,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:12,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:14:12,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:12,703 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:14:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:14:13,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:14:13,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:14:13,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-09-10 08:14:13,314 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:14:13,315 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-10 08:14:13,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-10 08:14:13,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2019-09-10 08:14:13,315 INFO L87 Difference]: Start difference. First operand 5740 states and 8323 transitions. Second operand 13 states. [2019-09-10 08:14:13,694 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2019-09-10 08:14:13,865 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2019-09-10 08:14:14,046 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2019-09-10 08:14:14,407 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2019-09-10 08:14:14,706 WARN L188 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2019-09-10 08:14:14,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:14:14,919 INFO L93 Difference]: Finished difference Result 12263 states and 17867 transitions. [2019-09-10 08:14:14,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-10 08:14:14,920 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 110 [2019-09-10 08:14:14,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:14:14,930 INFO L225 Difference]: With dead ends: 12263 [2019-09-10 08:14:14,930 INFO L226 Difference]: Without dead ends: 12263 [2019-09-10 08:14:14,930 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2019-09-10 08:14:14,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12263 states. [2019-09-10 08:14:15,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12263 to 5669. [2019-09-10 08:14:15,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5669 states. [2019-09-10 08:14:15,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5669 states to 5669 states and 8231 transitions. [2019-09-10 08:14:15,009 INFO L78 Accepts]: Start accepts. Automaton has 5669 states and 8231 transitions. Word has length 110 [2019-09-10 08:14:15,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:14:15,009 INFO L475 AbstractCegarLoop]: Abstraction has 5669 states and 8231 transitions. [2019-09-10 08:14:15,009 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-10 08:14:15,009 INFO L276 IsEmpty]: Start isEmpty. Operand 5669 states and 8231 transitions. [2019-09-10 08:14:15,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-09-10 08:14:15,011 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:14:15,011 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:14:15,011 INFO L418 AbstractCegarLoop]: === Iteration 30 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:14:15,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:14:15,011 INFO L82 PathProgramCache]: Analyzing trace with hash -841865213, now seen corresponding path program 1 times [2019-09-10 08:14:15,011 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:14:15,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:15,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:14:15,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:15,012 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:14:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:14:16,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:14:16,037 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:14:16,037 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-09-10 08:14:16,037 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:14:16,038 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-10 08:14:16,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-10 08:14:16,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2019-09-10 08:14:16,039 INFO L87 Difference]: Start difference. First operand 5669 states and 8231 transitions. Second operand 18 states. [2019-09-10 08:14:16,777 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2019-09-10 08:14:16,995 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2019-09-10 08:14:17,309 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 85 [2019-09-10 08:14:17,489 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2019-09-10 08:14:17,674 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2019-09-10 08:14:17,901 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2019-09-10 08:14:18,128 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2019-09-10 08:14:18,308 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-10 08:14:18,456 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-10 08:14:18,657 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-09-10 08:14:18,815 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2019-09-10 08:14:19,079 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2019-09-10 08:14:19,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:14:19,905 INFO L93 Difference]: Finished difference Result 33319 states and 48770 transitions. [2019-09-10 08:14:19,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-09-10 08:14:19,905 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 110 [2019-09-10 08:14:19,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:14:19,932 INFO L225 Difference]: With dead ends: 33319 [2019-09-10 08:14:19,933 INFO L226 Difference]: Without dead ends: 33319 [2019-09-10 08:14:19,933 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=298, Invalid=1108, Unknown=0, NotChecked=0, Total=1406 [2019-09-10 08:14:19,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33319 states. [2019-09-10 08:14:20,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33319 to 5650. [2019-09-10 08:14:20,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5650 states. [2019-09-10 08:14:20,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5650 states to 5650 states and 8202 transitions. [2019-09-10 08:14:20,137 INFO L78 Accepts]: Start accepts. Automaton has 5650 states and 8202 transitions. Word has length 110 [2019-09-10 08:14:20,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:14:20,137 INFO L475 AbstractCegarLoop]: Abstraction has 5650 states and 8202 transitions. [2019-09-10 08:14:20,138 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-10 08:14:20,138 INFO L276 IsEmpty]: Start isEmpty. Operand 5650 states and 8202 transitions. [2019-09-10 08:14:20,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-09-10 08:14:20,139 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:14:20,139 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:14:20,139 INFO L418 AbstractCegarLoop]: === Iteration 31 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:14:20,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:14:20,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1246808925, now seen corresponding path program 1 times [2019-09-10 08:14:20,140 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:14:20,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:20,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:14:20,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:20,141 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:14:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:14:21,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:14:21,622 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:14:21,622 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2019-09-10 08:14:21,622 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:14:21,622 INFO L454 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-09-10 08:14:21,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-09-10 08:14:21,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=494, Unknown=0, NotChecked=0, Total=552 [2019-09-10 08:14:21,623 INFO L87 Difference]: Start difference. First operand 5650 states and 8202 transitions. Second operand 24 states. [2019-09-10 08:14:22,750 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 50 [2019-09-10 08:14:22,994 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2019-09-10 08:14:23,317 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 80 [2019-09-10 08:14:23,718 WARN L188 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 99 [2019-09-10 08:14:24,478 WARN L188 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 111 [2019-09-10 08:14:24,752 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2019-09-10 08:14:24,966 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 65 [2019-09-10 08:14:25,187 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2019-09-10 08:14:25,368 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-09-10 08:14:25,532 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 55 [2019-09-10 08:14:25,845 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 59 [2019-09-10 08:14:26,252 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 57 [2019-09-10 08:14:26,481 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2019-09-10 08:14:26,823 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 53 [2019-09-10 08:14:28,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:14:28,655 INFO L93 Difference]: Finished difference Result 31011 states and 45323 transitions. [2019-09-10 08:14:28,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-09-10 08:14:28,656 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 110 [2019-09-10 08:14:28,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:14:28,684 INFO L225 Difference]: With dead ends: 31011 [2019-09-10 08:14:28,685 INFO L226 Difference]: Without dead ends: 31011 [2019-09-10 08:14:28,686 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=507, Invalid=2043, Unknown=0, NotChecked=0, Total=2550 [2019-09-10 08:14:28,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31011 states. [2019-09-10 08:14:28,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31011 to 5615. [2019-09-10 08:14:28,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5615 states. [2019-09-10 08:14:28,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5615 states to 5615 states and 8153 transitions. [2019-09-10 08:14:28,869 INFO L78 Accepts]: Start accepts. Automaton has 5615 states and 8153 transitions. Word has length 110 [2019-09-10 08:14:28,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:14:28,869 INFO L475 AbstractCegarLoop]: Abstraction has 5615 states and 8153 transitions. [2019-09-10 08:14:28,869 INFO L476 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-09-10 08:14:28,869 INFO L276 IsEmpty]: Start isEmpty. Operand 5615 states and 8153 transitions. [2019-09-10 08:14:28,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-09-10 08:14:28,870 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:14:28,870 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:14:28,870 INFO L418 AbstractCegarLoop]: === Iteration 32 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:14:28,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:14:28,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1456016802, now seen corresponding path program 1 times [2019-09-10 08:14:28,871 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:14:28,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:28,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:14:28,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:28,872 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:14:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:14:29,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:14:29,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:14:29,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2019-09-10 08:14:29,879 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:14:29,879 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-10 08:14:29,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-10 08:14:29,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2019-09-10 08:14:29,880 INFO L87 Difference]: Start difference. First operand 5615 states and 8153 transitions. Second operand 19 states. [2019-09-10 08:14:30,480 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2019-09-10 08:14:30,674 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2019-09-10 08:14:30,965 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2019-09-10 08:14:31,390 WARN L188 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 84 [2019-09-10 08:14:31,551 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2019-09-10 08:14:31,853 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2019-09-10 08:14:32,109 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2019-09-10 08:14:32,331 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 42 [2019-09-10 08:14:32,568 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 42 [2019-09-10 08:14:33,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:14:33,517 INFO L93 Difference]: Finished difference Result 24730 states and 36118 transitions. [2019-09-10 08:14:33,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-09-10 08:14:33,517 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 110 [2019-09-10 08:14:33,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:14:33,538 INFO L225 Difference]: With dead ends: 24730 [2019-09-10 08:14:33,538 INFO L226 Difference]: Without dead ends: 24730 [2019-09-10 08:14:33,539 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=280, Invalid=1052, Unknown=0, NotChecked=0, Total=1332 [2019-09-10 08:14:33,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24730 states. [2019-09-10 08:14:33,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24730 to 5598. [2019-09-10 08:14:33,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5598 states. [2019-09-10 08:14:33,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5598 states to 5598 states and 8126 transitions. [2019-09-10 08:14:33,678 INFO L78 Accepts]: Start accepts. Automaton has 5598 states and 8126 transitions. Word has length 110 [2019-09-10 08:14:33,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:14:33,679 INFO L475 AbstractCegarLoop]: Abstraction has 5598 states and 8126 transitions. [2019-09-10 08:14:33,679 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-10 08:14:33,679 INFO L276 IsEmpty]: Start isEmpty. Operand 5598 states and 8126 transitions. [2019-09-10 08:14:33,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-09-10 08:14:33,680 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:14:33,680 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:14:33,681 INFO L418 AbstractCegarLoop]: === Iteration 33 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:14:33,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:14:33,681 INFO L82 PathProgramCache]: Analyzing trace with hash 803810881, now seen corresponding path program 1 times [2019-09-10 08:14:33,681 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:14:33,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:33,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:14:33,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:33,682 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:14:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:14:34,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:14:34,507 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:14:34,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-09-10 08:14:34,507 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:14:34,508 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-10 08:14:34,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-10 08:14:34,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2019-09-10 08:14:34,509 INFO L87 Difference]: Start difference. First operand 5598 states and 8126 transitions. Second operand 16 states. [2019-09-10 08:14:34,700 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 36 [2019-09-10 08:14:35,112 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 41 [2019-09-10 08:14:35,339 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 44 [2019-09-10 08:14:35,600 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 48 [2019-09-10 08:14:35,820 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 33 [2019-09-10 08:14:36,135 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 50 [2019-09-10 08:14:36,448 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2019-09-10 08:14:36,778 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 61 [2019-09-10 08:14:36,949 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 51 [2019-09-10 08:14:37,111 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2019-09-10 08:14:37,405 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 56 [2019-09-10 08:14:37,640 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 43 [2019-09-10 08:14:37,932 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 53 [2019-09-10 08:14:38,131 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2019-09-10 08:14:38,798 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 56 [2019-09-10 08:14:39,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:14:39,282 INFO L93 Difference]: Finished difference Result 32475 states and 47437 transitions. [2019-09-10 08:14:39,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-10 08:14:39,282 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 110 [2019-09-10 08:14:39,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:14:39,309 INFO L225 Difference]: With dead ends: 32475 [2019-09-10 08:14:39,309 INFO L226 Difference]: Without dead ends: 32475 [2019-09-10 08:14:39,311 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=273, Invalid=917, Unknown=0, NotChecked=0, Total=1190 [2019-09-10 08:14:39,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32475 states. [2019-09-10 08:14:39,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32475 to 5576. [2019-09-10 08:14:39,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5576 states. [2019-09-10 08:14:39,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5576 states to 5576 states and 8094 transitions. [2019-09-10 08:14:39,473 INFO L78 Accepts]: Start accepts. Automaton has 5576 states and 8094 transitions. Word has length 110 [2019-09-10 08:14:39,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:14:39,474 INFO L475 AbstractCegarLoop]: Abstraction has 5576 states and 8094 transitions. [2019-09-10 08:14:39,474 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-10 08:14:39,474 INFO L276 IsEmpty]: Start isEmpty. Operand 5576 states and 8094 transitions. [2019-09-10 08:14:39,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-09-10 08:14:39,475 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:14:39,475 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:14:39,475 INFO L418 AbstractCegarLoop]: === Iteration 34 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:14:39,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:14:39,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1603558044, now seen corresponding path program 1 times [2019-09-10 08:14:39,475 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:14:39,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:39,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:14:39,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:39,476 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:14:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:14:40,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:14:40,001 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:14:40,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-09-10 08:14:40,002 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:14:40,002 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-10 08:14:40,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-10 08:14:40,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-10 08:14:40,002 INFO L87 Difference]: Start difference. First operand 5576 states and 8094 transitions. Second operand 13 states. [2019-09-10 08:14:40,475 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2019-09-10 08:14:40,631 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2019-09-10 08:14:40,793 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2019-09-10 08:14:41,101 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2019-09-10 08:14:41,322 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 40 [2019-09-10 08:14:41,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:14:41,669 INFO L93 Difference]: Finished difference Result 21681 states and 31651 transitions. [2019-09-10 08:14:41,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-10 08:14:41,669 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 110 [2019-09-10 08:14:41,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:14:41,687 INFO L225 Difference]: With dead ends: 21681 [2019-09-10 08:14:41,687 INFO L226 Difference]: Without dead ends: 21681 [2019-09-10 08:14:41,687 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=145, Invalid=455, Unknown=0, NotChecked=0, Total=600 [2019-09-10 08:14:41,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21681 states. [2019-09-10 08:14:41,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21681 to 5555. [2019-09-10 08:14:41,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5555 states. [2019-09-10 08:14:41,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5555 states to 5555 states and 8063 transitions. [2019-09-10 08:14:41,800 INFO L78 Accepts]: Start accepts. Automaton has 5555 states and 8063 transitions. Word has length 110 [2019-09-10 08:14:41,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:14:41,800 INFO L475 AbstractCegarLoop]: Abstraction has 5555 states and 8063 transitions. [2019-09-10 08:14:41,800 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-10 08:14:41,800 INFO L276 IsEmpty]: Start isEmpty. Operand 5555 states and 8063 transitions. [2019-09-10 08:14:41,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-09-10 08:14:41,801 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:14:41,801 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:14:41,801 INFO L418 AbstractCegarLoop]: === Iteration 35 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:14:41,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:14:41,802 INFO L82 PathProgramCache]: Analyzing trace with hash 751379724, now seen corresponding path program 1 times [2019-09-10 08:14:41,802 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:14:41,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:41,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:14:41,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:41,803 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:14:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:14:42,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:14:42,340 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:14:42,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-09-10 08:14:42,341 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:14:42,341 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-10 08:14:42,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-10 08:14:42,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-10 08:14:42,342 INFO L87 Difference]: Start difference. First operand 5555 states and 8063 transitions. Second operand 13 states. [2019-09-10 08:14:42,813 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 42 [2019-09-10 08:14:42,984 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 50 [2019-09-10 08:14:43,174 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 50 [2019-09-10 08:14:43,493 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 48 [2019-09-10 08:14:43,736 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 45 [2019-09-10 08:14:43,894 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2019-09-10 08:14:44,377 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 47 [2019-09-10 08:14:44,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:14:44,508 INFO L93 Difference]: Finished difference Result 27011 states and 39459 transitions. [2019-09-10 08:14:44,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-10 08:14:44,509 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 111 [2019-09-10 08:14:44,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:14:44,531 INFO L225 Difference]: With dead ends: 27011 [2019-09-10 08:14:44,531 INFO L226 Difference]: Without dead ends: 27011 [2019-09-10 08:14:44,531 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=153, Invalid=497, Unknown=0, NotChecked=0, Total=650 [2019-09-10 08:14:44,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27011 states. [2019-09-10 08:14:44,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27011 to 5506. [2019-09-10 08:14:44,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5506 states. [2019-09-10 08:14:44,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5506 states to 5506 states and 8004 transitions. [2019-09-10 08:14:44,674 INFO L78 Accepts]: Start accepts. Automaton has 5506 states and 8004 transitions. Word has length 111 [2019-09-10 08:14:44,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:14:44,674 INFO L475 AbstractCegarLoop]: Abstraction has 5506 states and 8004 transitions. [2019-09-10 08:14:44,674 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-10 08:14:44,674 INFO L276 IsEmpty]: Start isEmpty. Operand 5506 states and 8004 transitions. [2019-09-10 08:14:44,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-09-10 08:14:44,675 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:14:44,675 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:14:44,675 INFO L418 AbstractCegarLoop]: === Iteration 36 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:14:44,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:14:44,676 INFO L82 PathProgramCache]: Analyzing trace with hash -1526289660, now seen corresponding path program 1 times [2019-09-10 08:14:44,676 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:14:44,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:44,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:14:44,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:44,677 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:14:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:14:45,327 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2019-09-10 08:14:45,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:14:45,622 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:14:45,622 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-09-10 08:14:45,622 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:14:45,622 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-10 08:14:45,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-10 08:14:45,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2019-09-10 08:14:45,623 INFO L87 Difference]: Start difference. First operand 5506 states and 8004 transitions. Second operand 18 states. [2019-09-10 08:14:46,023 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 28 [2019-09-10 08:14:46,155 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2019-09-10 08:14:46,557 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2019-09-10 08:14:46,766 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2019-09-10 08:14:47,044 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 68 [2019-09-10 08:14:47,253 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2019-09-10 08:14:47,467 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 60 [2019-09-10 08:14:47,667 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2019-09-10 08:14:47,857 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2019-09-10 08:14:48,039 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2019-09-10 08:14:48,191 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 53 [2019-09-10 08:14:48,531 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2019-09-10 08:14:48,805 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2019-09-10 08:14:49,122 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 52 [2019-09-10 08:14:49,311 WARN L188 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2019-09-10 08:14:49,544 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 49 [2019-09-10 08:14:50,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:14:50,656 INFO L93 Difference]: Finished difference Result 30068 states and 44004 transitions. [2019-09-10 08:14:50,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-09-10 08:14:50,656 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 111 [2019-09-10 08:14:50,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:14:50,684 INFO L225 Difference]: With dead ends: 30068 [2019-09-10 08:14:50,684 INFO L226 Difference]: Without dead ends: 30068 [2019-09-10 08:14:50,685 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=359, Invalid=1281, Unknown=0, NotChecked=0, Total=1640 [2019-09-10 08:14:50,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30068 states. [2019-09-10 08:14:50,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30068 to 5505. [2019-09-10 08:14:50,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5505 states. [2019-09-10 08:14:50,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5505 states to 5505 states and 8002 transitions. [2019-09-10 08:14:50,846 INFO L78 Accepts]: Start accepts. Automaton has 5505 states and 8002 transitions. Word has length 111 [2019-09-10 08:14:50,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:14:50,847 INFO L475 AbstractCegarLoop]: Abstraction has 5505 states and 8002 transitions. [2019-09-10 08:14:50,847 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-10 08:14:50,847 INFO L276 IsEmpty]: Start isEmpty. Operand 5505 states and 8002 transitions. [2019-09-10 08:14:50,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-09-10 08:14:50,847 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:14:50,847 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:14:50,848 INFO L418 AbstractCegarLoop]: === Iteration 37 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:14:50,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:14:50,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1279540300, now seen corresponding path program 1 times [2019-09-10 08:14:50,848 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:14:50,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:50,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:14:50,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:50,849 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:14:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:14:51,375 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-10 08:14:51,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:14:51,588 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:14:51,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-09-10 08:14:51,588 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:14:51,589 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-10 08:14:51,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-10 08:14:51,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2019-09-10 08:14:51,589 INFO L87 Difference]: Start difference. First operand 5505 states and 8002 transitions. Second operand 12 states. [2019-09-10 08:14:51,967 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2019-09-10 08:14:52,111 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-10 08:14:52,362 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-09-10 08:14:52,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:14:52,623 INFO L93 Difference]: Finished difference Result 17972 states and 26307 transitions. [2019-09-10 08:14:52,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-10 08:14:52,624 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 111 [2019-09-10 08:14:52,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:14:52,638 INFO L225 Difference]: With dead ends: 17972 [2019-09-10 08:14:52,638 INFO L226 Difference]: Without dead ends: 17972 [2019-09-10 08:14:52,639 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2019-09-10 08:14:52,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17972 states. [2019-09-10 08:14:52,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17972 to 5352. [2019-09-10 08:14:52,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5352 states. [2019-09-10 08:14:52,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5352 states to 5352 states and 7788 transitions. [2019-09-10 08:14:52,740 INFO L78 Accepts]: Start accepts. Automaton has 5352 states and 7788 transitions. Word has length 111 [2019-09-10 08:14:52,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:14:52,740 INFO L475 AbstractCegarLoop]: Abstraction has 5352 states and 7788 transitions. [2019-09-10 08:14:52,740 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-10 08:14:52,740 INFO L276 IsEmpty]: Start isEmpty. Operand 5352 states and 7788 transitions. [2019-09-10 08:14:52,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-09-10 08:14:52,743 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:14:52,744 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 08:14:52,744 INFO L418 AbstractCegarLoop]: === Iteration 38 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:14:52,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:14:52,744 INFO L82 PathProgramCache]: Analyzing trace with hash -95034080, now seen corresponding path program 1 times [2019-09-10 08:14:52,744 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:14:52,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:52,745 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:14:52,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:52,745 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:14:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:14:52,820 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:14:52,821 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:14:52,821 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 08:14:52,821 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:14:52,821 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 08:14:52,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 08:14:52,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:14:52,822 INFO L87 Difference]: Start difference. First operand 5352 states and 7788 transitions. Second operand 3 states. [2019-09-10 08:14:52,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:14:52,862 INFO L93 Difference]: Finished difference Result 10250 states and 14791 transitions. [2019-09-10 08:14:52,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 08:14:52,862 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2019-09-10 08:14:52,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:14:52,873 INFO L225 Difference]: With dead ends: 10250 [2019-09-10 08:14:52,873 INFO L226 Difference]: Without dead ends: 10250 [2019-09-10 08:14:52,873 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:14:52,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10250 states. [2019-09-10 08:14:52,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10250 to 9928. [2019-09-10 08:14:52,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9928 states. [2019-09-10 08:14:52,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9928 states to 9928 states and 14390 transitions. [2019-09-10 08:14:52,958 INFO L78 Accepts]: Start accepts. Automaton has 9928 states and 14390 transitions. Word has length 142 [2019-09-10 08:14:52,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:14:52,959 INFO L475 AbstractCegarLoop]: Abstraction has 9928 states and 14390 transitions. [2019-09-10 08:14:52,959 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 08:14:52,959 INFO L276 IsEmpty]: Start isEmpty. Operand 9928 states and 14390 transitions. [2019-09-10 08:14:52,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-09-10 08:14:52,961 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:14:52,962 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 08:14:52,962 INFO L418 AbstractCegarLoop]: === Iteration 39 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:14:52,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:14:52,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1750292162, now seen corresponding path program 1 times [2019-09-10 08:14:52,962 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:14:52,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:52,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:14:52,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:52,964 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:14:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:14:53,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:14:53,037 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:14:53,037 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 08:14:53,037 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:14:53,038 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 08:14:53,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 08:14:53,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:14:53,038 INFO L87 Difference]: Start difference. First operand 9928 states and 14390 transitions. Second operand 3 states. [2019-09-10 08:14:53,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:14:53,086 INFO L93 Difference]: Finished difference Result 19082 states and 27355 transitions. [2019-09-10 08:14:53,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 08:14:53,087 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2019-09-10 08:14:53,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:14:53,101 INFO L225 Difference]: With dead ends: 19082 [2019-09-10 08:14:53,102 INFO L226 Difference]: Without dead ends: 19082 [2019-09-10 08:14:53,102 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:14:53,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19082 states. [2019-09-10 08:14:53,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19082 to 18440. [2019-09-10 08:14:53,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18440 states. [2019-09-10 08:14:53,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18440 states to 18440 states and 26554 transitions. [2019-09-10 08:14:53,247 INFO L78 Accepts]: Start accepts. Automaton has 18440 states and 26554 transitions. Word has length 143 [2019-09-10 08:14:53,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:14:53,247 INFO L475 AbstractCegarLoop]: Abstraction has 18440 states and 26554 transitions. [2019-09-10 08:14:53,247 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 08:14:53,247 INFO L276 IsEmpty]: Start isEmpty. Operand 18440 states and 26554 transitions. [2019-09-10 08:14:53,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-09-10 08:14:53,249 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:14:53,250 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 08:14:53,250 INFO L418 AbstractCegarLoop]: === Iteration 40 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:14:53,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:14:53,250 INFO L82 PathProgramCache]: Analyzing trace with hash 537810685, now seen corresponding path program 1 times [2019-09-10 08:14:53,250 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:14:53,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:53,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:14:53,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:53,251 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:14:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:14:53,333 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:14:53,333 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:14:53,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 08:14:53,334 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:14:53,334 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 08:14:53,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 08:14:53,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:14:53,335 INFO L87 Difference]: Start difference. First operand 18440 states and 26554 transitions. Second operand 3 states. [2019-09-10 08:14:53,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:14:53,456 INFO L93 Difference]: Finished difference Result 35466 states and 50403 transitions. [2019-09-10 08:14:53,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 08:14:53,457 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2019-09-10 08:14:53,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:14:53,497 INFO L225 Difference]: With dead ends: 35466 [2019-09-10 08:14:53,498 INFO L226 Difference]: Without dead ends: 35466 [2019-09-10 08:14:53,498 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:14:53,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35466 states. [2019-09-10 08:14:54,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35466 to 34184. [2019-09-10 08:14:54,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34184 states. [2019-09-10 08:14:54,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34184 states to 34184 states and 48802 transitions. [2019-09-10 08:14:54,572 INFO L78 Accepts]: Start accepts. Automaton has 34184 states and 48802 transitions. Word has length 144 [2019-09-10 08:14:54,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:14:54,572 INFO L475 AbstractCegarLoop]: Abstraction has 34184 states and 48802 transitions. [2019-09-10 08:14:54,572 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 08:14:54,572 INFO L276 IsEmpty]: Start isEmpty. Operand 34184 states and 48802 transitions. [2019-09-10 08:14:54,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-09-10 08:14:54,574 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:14:54,575 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 08:14:54,576 INFO L418 AbstractCegarLoop]: === Iteration 41 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:14:54,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:14:54,576 INFO L82 PathProgramCache]: Analyzing trace with hash 897083338, now seen corresponding path program 1 times [2019-09-10 08:14:54,576 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:14:54,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:54,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:14:54,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:54,578 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:14:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:14:54,651 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:14:54,652 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:14:54,652 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 08:14:54,652 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:14:54,652 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 08:14:54,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 08:14:54,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:14:54,653 INFO L87 Difference]: Start difference. First operand 34184 states and 48802 transitions. Second operand 3 states. [2019-09-10 08:14:54,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:14:54,813 INFO L93 Difference]: Finished difference Result 65674 states and 92339 transitions. [2019-09-10 08:14:54,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 08:14:54,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2019-09-10 08:14:54,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:14:54,884 INFO L225 Difference]: With dead ends: 65674 [2019-09-10 08:14:54,884 INFO L226 Difference]: Without dead ends: 65674 [2019-09-10 08:14:54,884 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:14:54,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65674 states. [2019-09-10 08:14:55,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65674 to 63112. [2019-09-10 08:14:55,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63112 states. [2019-09-10 08:14:55,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63112 states to 63112 states and 89138 transitions. [2019-09-10 08:14:55,500 INFO L78 Accepts]: Start accepts. Automaton has 63112 states and 89138 transitions. Word has length 145 [2019-09-10 08:14:55,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:14:55,501 INFO L475 AbstractCegarLoop]: Abstraction has 63112 states and 89138 transitions. [2019-09-10 08:14:55,501 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 08:14:55,501 INFO L276 IsEmpty]: Start isEmpty. Operand 63112 states and 89138 transitions. [2019-09-10 08:14:55,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-09-10 08:14:55,502 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:14:55,502 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 08:14:55,502 INFO L418 AbstractCegarLoop]: === Iteration 42 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:14:55,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:14:55,503 INFO L82 PathProgramCache]: Analyzing trace with hash 691630939, now seen corresponding path program 1 times [2019-09-10 08:14:55,503 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:14:55,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:55,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:14:55,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:55,504 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:14:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:14:55,569 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:14:55,569 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:14:55,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 08:14:55,569 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:14:55,570 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 08:14:55,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 08:14:55,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:14:55,571 INFO L87 Difference]: Start difference. First operand 63112 states and 89138 transitions. Second operand 3 states. [2019-09-10 08:14:55,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:14:55,796 INFO L93 Difference]: Finished difference Result 88932 states and 124736 transitions. [2019-09-10 08:14:55,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 08:14:55,796 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-09-10 08:14:55,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:14:55,878 INFO L225 Difference]: With dead ends: 88932 [2019-09-10 08:14:55,878 INFO L226 Difference]: Without dead ends: 88932 [2019-09-10 08:14:55,879 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:14:55,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88932 states. [2019-09-10 08:14:57,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88932 to 85466. [2019-09-10 08:14:57,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85466 states. [2019-09-10 08:14:57,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85466 states to 85466 states and 119972 transitions. [2019-09-10 08:14:57,959 INFO L78 Accepts]: Start accepts. Automaton has 85466 states and 119972 transitions. Word has length 146 [2019-09-10 08:14:57,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:14:57,960 INFO L475 AbstractCegarLoop]: Abstraction has 85466 states and 119972 transitions. [2019-09-10 08:14:57,960 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 08:14:57,960 INFO L276 IsEmpty]: Start isEmpty. Operand 85466 states and 119972 transitions. [2019-09-10 08:14:57,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-09-10 08:14:57,961 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:14:57,961 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 08:14:57,961 INFO L418 AbstractCegarLoop]: === Iteration 43 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:14:57,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:14:57,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1503921644, now seen corresponding path program 1 times [2019-09-10 08:14:57,962 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:14:57,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:57,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:14:57,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:14:57,963 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:14:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:14:58,070 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:14:58,070 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:14:58,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 08:14:58,070 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:14:58,071 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 08:14:58,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 08:14:58,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 08:14:58,071 INFO L87 Difference]: Start difference. First operand 85466 states and 119972 transitions. Second operand 7 states. [2019-09-10 08:15:00,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:15:00,840 INFO L93 Difference]: Finished difference Result 207072 states and 284711 transitions. [2019-09-10 08:15:00,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-10 08:15:00,840 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 148 [2019-09-10 08:15:00,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:15:01,012 INFO L225 Difference]: With dead ends: 207072 [2019-09-10 08:15:01,012 INFO L226 Difference]: Without dead ends: 207072 [2019-09-10 08:15:01,013 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2019-09-10 08:15:01,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207072 states. [2019-09-10 08:15:02,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207072 to 93242. [2019-09-10 08:15:02,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93242 states. [2019-09-10 08:15:02,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93242 states to 93242 states and 130340 transitions. [2019-09-10 08:15:02,520 INFO L78 Accepts]: Start accepts. Automaton has 93242 states and 130340 transitions. Word has length 148 [2019-09-10 08:15:02,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:15:02,520 INFO L475 AbstractCegarLoop]: Abstraction has 93242 states and 130340 transitions. [2019-09-10 08:15:02,520 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 08:15:02,520 INFO L276 IsEmpty]: Start isEmpty. Operand 93242 states and 130340 transitions. [2019-09-10 08:15:02,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-09-10 08:15:02,527 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:15:02,527 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 08:15:02,527 INFO L418 AbstractCegarLoop]: === Iteration 44 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:15:02,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:15:02,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1653904928, now seen corresponding path program 1 times [2019-09-10 08:15:02,528 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:15:02,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:15:02,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:15:02,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:15:02,529 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:15:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:15:02,605 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:15:02,606 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 08:15:02,606 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 08:15:02,606 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 08:15:02,606 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 08:15:02,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 08:15:02,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:15:02,607 INFO L87 Difference]: Start difference. First operand 93242 states and 130340 transitions. Second operand 3 states. [2019-09-10 08:15:02,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:15:02,901 INFO L93 Difference]: Finished difference Result 176828 states and 242373 transitions. [2019-09-10 08:15:02,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 08:15:02,902 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 179 [2019-09-10 08:15:02,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:15:03,062 INFO L225 Difference]: With dead ends: 176828 [2019-09-10 08:15:03,062 INFO L226 Difference]: Without dead ends: 176828 [2019-09-10 08:15:03,062 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 08:15:03,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176828 states. [2019-09-10 08:15:04,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176828 to 164730. [2019-09-10 08:15:04,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164730 states. [2019-09-10 08:15:04,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164730 states to 164730 states and 227684 transitions. [2019-09-10 08:15:04,824 INFO L78 Accepts]: Start accepts. Automaton has 164730 states and 227684 transitions. Word has length 179 [2019-09-10 08:15:04,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:15:04,825 INFO L475 AbstractCegarLoop]: Abstraction has 164730 states and 227684 transitions. [2019-09-10 08:15:04,825 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 08:15:04,825 INFO L276 IsEmpty]: Start isEmpty. Operand 164730 states and 227684 transitions. [2019-09-10 08:15:04,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-09-10 08:15:04,835 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:15:04,835 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2019-09-10 08:15:04,835 INFO L418 AbstractCegarLoop]: === Iteration 45 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:15:04,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:15:04,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1036797970, now seen corresponding path program 1 times [2019-09-10 08:15:04,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:15:04,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:15:04,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:15:04,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:15:04,837 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:15:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:15:05,138 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:15:05,138 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 08:15:05,138 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 08:15:05,139 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 181 with the following transitions: [2019-09-10 08:15:05,141 INFO L207 CegarAbsIntRunner]: [0], [3], [6], [9], [12], [15], [18], [21], [24], [27], [30], [33], [36], [39], [42], [45], [48], [51], [54], [57], [60], [63], [66], [69], [72], [75], [78], [81], [84], [87], [90], [93], [96], [99], [102], [105], [108], [111], [114], [117], [120], [123], [126], [130], [133], [136], [138], [142], [145], [148], [150], [154], [157], [160], [162], [166], [169], [172], [174], [178], [181], [184], [186], [190], [193], [196], [198], [201], [205], [208], [211], [215], [218], [221], [224], [227], [229], [232], [235], [238], [240], [243], [246], [249], [251], [254], [257], [260], [262], [265], [268], [271], [273], [276], [279], [282], [284], [286], [289], [292], [296], [298], [301], [302], [304], [307], [310], [318], [320], [323], [331], [333], [336], [344], [346], [349], [357], [359], [362], [370], [372], [375], [383], [385], [394], [396], [399], [402], [404], [419], [421], [424], [427], [429], [444], [446], [449], [452], [454], [469], [471], [474], [477], [479], [494], [496], [499], [502], [504], [519], [521], [524], [527], [529], [538], [543], [545], [548], [679], [680], [684], [685], [686] [2019-09-10 08:15:05,183 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 08:15:05,183 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 08:15:05,431 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 08:15:06,687 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 08:15:06,695 INFO L272 AbstractInterpreter]: Visited 163 different actions 1223 times. Merged at 61 different actions 913 times. Widened at 27 different actions 168 times. Performed 4175 root evaluator evaluations with a maximum evaluation depth of 8. Performed 4175 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 151 fixpoints after 29 different actions. Largest state had 182 variables. [2019-09-10 08:15:06,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:15:06,701 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-09-10 08:15:06,701 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 08:15:06,701 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG 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 [2019-09-10 08:15:06,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:15:06,725 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-09-10 08:15:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:15:06,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 1153 conjuncts, 18 conjunts are in the unsatisfiable core [2019-09-10 08:15:06,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 08:15:07,259 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:15:07,703 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:15:07,704 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 08:15:10,645 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:15:11,071 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:15:11,072 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:15:11,076 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:15:18,197 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:15:18,448 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:15:18,453 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-09-10 08:15:18,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 29 [2019-09-10 08:15:18,454 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-09-10 08:15:18,454 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-09-10 08:15:18,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-09-10 08:15:18,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=720, Unknown=0, NotChecked=0, Total=812 [2019-09-10 08:15:18,455 INFO L87 Difference]: Start difference. First operand 164730 states and 227684 transitions. Second operand 20 states. [2019-09-10 08:15:23,129 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2019-09-10 08:15:23,568 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-09-10 08:15:23,756 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2019-09-10 08:15:24,052 WARN L188 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-10 08:15:24,262 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-10 08:15:24,439 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-09-10 08:15:24,613 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2019-09-10 08:15:25,151 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2019-09-10 08:15:25,830 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2019-09-10 08:15:27,413 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2019-09-10 08:15:27,765 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2019-09-10 08:15:27,929 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-09-10 08:15:29,717 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-10 08:15:29,903 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 58 [2019-09-10 08:15:30,072 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2019-09-10 08:15:30,248 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2019-09-10 08:15:30,491 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 58 [2019-09-10 08:15:30,905 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-10 08:15:31,343 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 53 [2019-09-10 08:15:31,690 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2019-09-10 08:15:31,953 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2019-09-10 08:15:32,201 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2019-09-10 08:15:32,825 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2019-09-10 08:15:33,057 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-10 08:15:33,317 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-09-10 08:15:33,615 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2019-09-10 08:15:33,897 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-10 08:15:34,178 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2019-09-10 08:15:34,446 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-10 08:15:34,653 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2019-09-10 08:15:34,817 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-09-10 08:15:35,112 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-09-10 08:15:35,382 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 64 [2019-09-10 08:15:35,736 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-10 08:15:36,038 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-10 08:15:36,268 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-09-10 08:15:36,674 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-09-10 08:15:36,912 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2019-09-10 08:15:37,136 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-10 08:15:39,078 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-10 08:15:39,364 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2019-09-10 08:15:39,605 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2019-09-10 08:15:39,832 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2019-09-10 08:15:40,058 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-10 08:15:40,745 WARN L188 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-10 08:15:40,917 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2019-09-10 08:15:41,124 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2019-09-10 08:15:41,321 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2019-09-10 08:15:41,876 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-10 08:15:42,196 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-10 08:15:42,514 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-10 08:15:42,856 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2019-09-10 08:15:43,141 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-10 08:15:43,384 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2019-09-10 08:15:44,022 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-10 08:15:44,241 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-10 08:15:44,482 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 61 [2019-09-10 08:15:44,741 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-10 08:15:45,008 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-10 08:15:45,198 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2019-09-10 08:15:45,379 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-09-10 08:15:45,768 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2019-09-10 08:15:45,932 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-10 08:15:46,257 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2019-09-10 08:15:46,592 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-10 08:15:46,843 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2019-09-10 08:15:47,025 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-09-10 08:15:47,321 WARN L188 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2019-09-10 08:15:47,517 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-10 08:15:47,836 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 56 [2019-09-10 08:15:48,854 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 58 [2019-09-10 08:15:49,008 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2019-09-10 08:15:49,190 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2019-09-10 08:15:49,494 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-10 08:15:49,833 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 58 [2019-09-10 08:15:50,205 WARN L188 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-10 08:15:50,510 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2019-09-10 08:15:50,702 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2019-09-10 08:15:51,018 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2019-09-10 08:15:51,238 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2019-09-10 08:15:51,407 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2019-09-10 08:15:51,730 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2019-09-10 08:15:53,915 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 53 [2019-09-10 08:15:54,083 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 52 [2019-09-10 08:15:54,259 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 53 [2019-09-10 08:15:54,500 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 61 [2019-09-10 08:15:54,669 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2019-09-10 08:15:54,993 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2019-09-10 08:15:55,271 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2019-09-10 08:15:55,539 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-10 08:15:55,890 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2019-09-10 08:15:56,129 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 64 [2019-09-10 08:15:56,447 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2019-09-10 08:15:56,733 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-10 08:15:56,943 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 58 [2019-09-10 08:15:57,123 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 56 [2019-09-10 08:15:57,786 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-10 08:15:58,047 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2019-09-10 08:15:58,289 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-09-10 08:15:58,657 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2019-09-10 08:15:58,921 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-10 08:15:59,116 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-10 08:15:59,879 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-09-10 08:16:00,246 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2019-09-10 08:16:00,475 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 63 [2019-09-10 08:16:00,819 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-10 08:16:01,389 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 52 [2019-09-10 08:16:01,713 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-09-10 08:16:01,960 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-09-10 08:16:02,149 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-10 08:16:02,347 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-10 08:16:02,561 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2019-09-10 08:16:02,861 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-10 08:16:03,304 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2019-09-10 08:16:03,464 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2019-09-10 08:16:03,700 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-10 08:16:04,296 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2019-09-10 08:16:05,255 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2019-09-10 08:16:05,604 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2019-09-10 08:16:05,829 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-10 08:16:06,959 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2019-09-10 08:16:30,791 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-09-10 08:16:31,297 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 62 [2019-09-10 08:16:31,661 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2019-09-10 08:16:31,916 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 62 [2019-09-10 08:16:32,164 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2019-09-10 08:16:32,383 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2019-09-10 08:16:32,613 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2019-09-10 08:16:32,920 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2019-09-10 08:16:33,234 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-10 08:16:33,412 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2019-09-10 08:16:33,890 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2019-09-10 08:16:34,113 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-10 08:16:34,339 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2019-09-10 08:16:34,533 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2019-09-10 08:16:34,725 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2019-09-10 08:16:34,944 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2019-09-10 08:16:35,161 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 57 [2019-09-10 08:16:35,446 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-10 08:16:35,829 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-10 08:16:36,111 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2019-09-10 08:16:36,281 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 52 [2019-09-10 08:16:36,819 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-09-10 08:16:37,337 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2019-09-10 08:16:37,557 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2019-09-10 08:16:37,824 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-10 08:16:38,066 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2019-09-10 08:16:38,335 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2019-09-10 08:16:38,561 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-10 08:16:39,126 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2019-09-10 08:16:39,337 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2019-09-10 08:16:39,613 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-10 08:16:40,181 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 58 [2019-09-10 08:16:40,733 WARN L188 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2019-09-10 08:16:41,004 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2019-09-10 08:16:41,500 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2019-09-10 08:16:41,744 WARN L188 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-10 08:16:41,919 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-09-10 08:16:42,135 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-10 08:16:42,311 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2019-09-10 08:16:42,566 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-10 08:16:42,822 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-09-10 08:16:43,151 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-10 08:16:43,387 WARN L188 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 58 [2019-09-10 08:16:43,709 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2019-09-10 08:16:43,973 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 67 [2019-09-10 08:16:44,262 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-10 08:16:44,521 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2019-09-10 08:16:44,909 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2019-09-10 08:16:45,145 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2019-09-10 08:16:45,317 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-09-10 08:16:45,623 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-10 08:16:46,018 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-10 08:16:46,280 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-10 08:16:46,456 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2019-09-10 08:16:46,678 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-10 08:16:47,010 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2019-09-10 08:16:47,211 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 56 [2019-09-10 08:16:47,678 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2019-09-10 08:16:47,863 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 55 [2019-09-10 08:16:48,074 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 58 [2019-09-10 08:16:48,659 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 61 [2019-09-10 08:16:48,966 WARN L188 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 64 [2019-09-10 08:16:49,418 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-10 08:16:49,687 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2019-09-10 08:16:49,941 WARN L188 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 56 [2019-09-10 08:16:50,387 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-10 08:16:50,614 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-09-10 08:16:50,866 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-10 08:16:51,287 WARN L188 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 56 [2019-09-10 08:16:51,491 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 53 [2019-09-10 08:16:51,668 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 52 [2019-09-10 08:16:51,936 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 59 [2019-09-10 08:16:52,525 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 63 [2019-09-10 08:16:52,872 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 61 [2019-09-10 08:16:53,229 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 62 [2019-09-10 08:16:53,595 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2019-09-10 08:16:54,157 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2019-09-10 08:16:54,426 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2019-09-10 08:16:54,712 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-10 08:16:55,256 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2019-09-10 08:16:55,551 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-10 08:16:55,888 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-10 08:16:56,215 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2019-09-10 08:16:56,420 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2019-09-10 08:16:57,380 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2019-09-10 08:16:57,621 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2019-09-10 08:16:57,861 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2019-09-10 08:16:58,289 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2019-09-10 08:16:58,962 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 62 [2019-09-10 08:16:59,527 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 60 [2019-09-10 08:16:59,735 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-09-10 08:17:00,101 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2019-09-10 08:17:00,475 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 56 [2019-09-10 08:17:00,733 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2019-09-10 08:17:00,936 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-10 08:17:01,281 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-10 08:17:01,622 WARN L188 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 72 [2019-09-10 08:17:02,431 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-09-10 08:17:02,753 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2019-09-10 08:17:03,070 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-10 08:17:03,331 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 67 [2019-09-10 08:17:03,619 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-10 08:17:03,938 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 67 [2019-09-10 08:17:06,280 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-10 08:17:06,688 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-10 08:17:06,907 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-10 08:17:07,378 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-10 08:17:07,743 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 60 [2019-09-10 08:17:07,925 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2019-09-10 08:17:08,644 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2019-09-10 08:17:08,956 WARN L188 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-10 08:17:09,266 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-10 08:17:09,498 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2019-09-10 08:17:10,070 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-10 08:17:10,364 WARN L188 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-09-10 08:17:11,044 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2019-09-10 08:17:11,281 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 53 [2019-09-10 08:17:11,476 WARN L188 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-10 08:17:11,695 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 54 [2019-09-10 08:17:11,861 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 54 [2019-09-10 08:17:12,171 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 66 [2019-09-10 08:17:12,930 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 58 [2019-09-10 08:17:13,159 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 58 [2019-09-10 08:17:13,478 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 70 [2019-09-10 08:17:13,870 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-10 08:17:14,201 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2019-09-10 08:17:14,519 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2019-09-10 08:17:14,980 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2019-09-10 08:17:15,149 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 53 [2019-09-10 08:17:15,599 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2019-09-10 08:17:15,841 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 55 [2019-09-10 08:17:16,120 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 64 [2019-09-10 08:17:16,549 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 65 [2019-09-10 08:17:16,842 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-10 08:17:19,175 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2019-09-10 08:17:19,527 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2019-09-10 08:17:19,870 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-10 08:17:34,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 08:17:34,630 INFO L93 Difference]: Finished difference Result 2244176 states and 3029617 transitions. [2019-09-10 08:17:34,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 333 states. [2019-09-10 08:17:34,630 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 180 [2019-09-10 08:17:34,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 08:17:38,085 INFO L225 Difference]: With dead ends: 2244176 [2019-09-10 08:17:38,085 INFO L226 Difference]: Without dead ends: 2244176 [2019-09-10 08:17:38,095 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 702 GetRequests, 274 SyntacticMatches, 70 SemanticMatches, 358 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54649 ImplicationChecksByTransitivity, 85.4s TimeCoverageRelationStatistics Valid=15041, Invalid=114199, Unknown=0, NotChecked=0, Total=129240 [2019-09-10 08:17:40,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2244176 states. [2019-09-10 08:18:13,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2244176 to 649166. [2019-09-10 08:18:13,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649166 states. [2019-09-10 08:18:25,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649166 states to 649166 states and 891296 transitions. [2019-09-10 08:18:25,296 INFO L78 Accepts]: Start accepts. Automaton has 649166 states and 891296 transitions. Word has length 180 [2019-09-10 08:18:25,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 08:18:25,297 INFO L475 AbstractCegarLoop]: Abstraction has 649166 states and 891296 transitions. [2019-09-10 08:18:25,297 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-09-10 08:18:25,297 INFO L276 IsEmpty]: Start isEmpty. Operand 649166 states and 891296 transitions. [2019-09-10 08:18:25,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-09-10 08:18:25,367 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 08:18:25,367 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-09-10 08:18:25,368 INFO L418 AbstractCegarLoop]: === Iteration 46 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 08:18:25,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:18:25,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1530563048, now seen corresponding path program 1 times [2019-09-10 08:18:25,368 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 08:18:25,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:18:25,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:18:25,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 08:18:25,371 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 08:18:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:18:25,831 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:18:25,832 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 08:18:25,832 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 08:18:25,832 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2019-09-10 08:18:25,833 INFO L207 CegarAbsIntRunner]: [0], [3], [6], [9], [12], [15], [18], [21], [24], [27], [30], [33], [36], [39], [42], [45], [48], [51], [54], [57], [60], [63], [66], [69], [72], [75], [78], [81], [84], [87], [90], [93], [96], [99], [102], [105], [108], [111], [114], [117], [120], [123], [126], [130], [133], [136], [138], [142], [145], [148], [150], [154], [157], [160], [162], [166], [169], [172], [174], [178], [181], [184], [186], [190], [193], [196], [198], [201], [205], [208], [211], [215], [218], [221], [224], [227], [229], [232], [235], [238], [240], [243], [246], [249], [251], [254], [257], [260], [262], [265], [268], [271], [273], [276], [279], [282], [284], [286], [289], [296], [298], [301], [302], [304], [307], [310], [318], [320], [323], [326], [331], [333], [336], [339], [344], [346], [349], [357], [359], [362], [370], [372], [375], [383], [385], [394], [396], [399], [402], [404], [419], [421], [424], [427], [429], [444], [446], [449], [452], [454], [462], [465], [471], [474], [477], [479], [487], [490], [496], [499], [502], [504], [519], [521], [524], [527], [529], [545], [548], [552], [679], [680], [684], [685], [686] [2019-09-10 08:18:25,840 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 08:18:25,840 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 08:18:25,877 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-10 08:18:26,733 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-10 08:18:26,735 INFO L272 AbstractInterpreter]: Visited 165 different actions 1149 times. Merged at 63 different actions 860 times. Widened at 24 different actions 162 times. Performed 3955 root evaluator evaluations with a maximum evaluation depth of 6. Performed 3955 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 108 fixpoints after 23 different actions. Largest state had 182 variables. [2019-09-10 08:18:26,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 08:18:26,735 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-09-10 08:18:26,735 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 08:18:26,735 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG 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 [2019-09-10 08:18:26,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 08:18:26,764 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2019-09-10 08:18:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 08:18:26,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 1158 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-10 08:18:26,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 08:18:27,193 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:27,312 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:29,334 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 11 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:18:29,335 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 08:18:29,704 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:29,704 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:29,705 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:29,705 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:29,706 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:29,706 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:29,707 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:29,707 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:29,708 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:29,708 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:29,713 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:29,713 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:29,714 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:29,714 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:29,715 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:29,715 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:29,716 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:29,716 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:29,717 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:29,717 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:29,718 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:29,718 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:29,718 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:29,719 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:29,719 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:29,720 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:31,989 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-10 08:18:32,210 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 11 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 08:18:32,215 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-09-10 08:18:32,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 12] total 37 [2019-09-10 08:18:32,215 INFO L250 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2019-09-10 08:18:32,216 INFO L454 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-09-10 08:18:32,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-09-10 08:18:32,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1222, Unknown=0, NotChecked=0, Total=1332 [2019-09-10 08:18:32,217 INFO L87 Difference]: Start difference. First operand 649166 states and 891296 transitions. Second operand 27 states. [2019-09-10 08:18:32,507 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-10 08:18:33,332 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-10 08:18:33,602 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-10 08:18:33,839 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-10 08:18:34,459 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2019-09-10 08:18:34,680 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-10 08:18:36,095 WARN L188 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2019-09-10 08:18:36,373 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2019-09-10 08:18:36,929 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-10 08:18:37,306 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-10 08:18:37,546 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-09-10 08:18:37,960 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 70 [2019-09-10 08:18:38,427 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-10 08:18:38,762 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:18:39,176 WARN L188 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-10 08:18:39,685 WARN L188 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-10 08:18:40,054 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-10 08:18:40,621 WARN L188 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-10 08:18:41,386 WARN L188 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2019-09-10 08:18:41,705 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-10 08:18:41,977 WARN L188 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-10 08:18:42,277 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:18:42,579 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-10 08:18:42,847 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-10 08:18:43,515 WARN L188 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 84 [2019-09-10 08:18:43,892 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2019-09-10 08:18:44,321 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2019-09-10 08:18:44,740 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:18:45,008 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2019-09-10 08:18:45,430 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2019-09-10 08:18:45,913 WARN L188 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 77 [2019-09-10 08:18:46,172 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:18:46,446 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:18:52,278 WARN L188 SmtUtils]: Spent 5.76 s on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-10 08:18:52,721 WARN L188 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-10 08:18:53,084 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2019-09-10 08:18:53,364 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-10 08:18:53,601 WARN L188 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:18:53,853 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-10 08:18:54,111 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:18:54,394 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-09-10 08:18:54,737 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-10 08:18:55,660 WARN L188 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2019-09-10 08:18:56,023 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:18:56,369 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:18:56,751 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 95 [2019-09-10 08:18:57,177 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:18:57,540 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-10 08:18:58,005 WARN L188 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:18:58,339 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:18:59,192 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 93 [2019-09-10 08:18:59,525 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-10 08:18:59,985 WARN L188 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:19:00,307 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:19:00,586 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-09-10 08:19:00,909 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:19:01,425 WARN L188 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:19:01,721 WARN L188 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:19:02,017 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-10 08:19:02,284 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-10 08:19:02,573 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:19:02,826 WARN L188 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-10 08:19:03,268 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 08:19:04,076 WARN L188 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:19:04,470 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-10 08:19:05,000 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-10 08:19:05,671 WARN L188 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-09-10 08:19:06,187 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 91 [2019-09-10 08:19:06,605 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2019-09-10 08:19:07,096 WARN L188 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 72 [2019-09-10 08:19:07,461 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-10 08:19:07,848 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-10 08:19:08,462 WARN L188 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-09-10 08:19:08,909 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 96 [2019-09-10 08:19:09,279 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-10 08:19:09,757 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-10 08:19:10,055 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2019-09-10 08:19:10,383 WARN L188 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2019-09-10 08:19:10,808 WARN L188 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-10 08:19:11,205 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-10 08:19:11,532 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-10 08:19:11,797 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-10 08:19:12,155 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 88 [2019-09-10 08:19:12,466 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-10 08:19:12,895 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2019-09-10 08:19:13,304 WARN L188 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2019-09-10 08:19:13,734 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 94 [2019-09-10 08:19:14,314 WARN L188 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 86 [2019-09-10 08:19:14,620 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-10 08:19:15,047 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2019-09-10 08:19:15,384 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2019-09-10 08:19:15,649 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-10 08:19:15,985 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:19:16,396 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-10 08:19:16,687 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-10 08:19:17,046 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:19:17,379 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:19:17,785 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:19:18,229 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2019-09-10 08:19:18,600 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 08:19:19,038 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 78 [2019-09-10 08:19:19,317 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-09-10 08:19:19,894 WARN L188 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 94 [2019-09-10 08:19:20,400 WARN L188 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-10 08:19:20,749 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-10 08:19:21,082 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 08:19:21,456 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2019-09-10 08:19:21,734 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 63 [2019-09-10 08:19:22,076 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-09-10 08:19:22,404 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-10 08:19:22,800 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:19:23,217 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:19:23,652 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-10 08:19:23,970 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-10 08:19:24,483 WARN L188 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2019-09-10 08:19:24,832 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:19:25,240 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:19:25,758 WARN L188 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-10 08:19:26,183 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-10 08:19:26,507 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-10 08:19:26,861 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-10 08:19:27,433 WARN L188 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 08:19:27,798 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-09-10 08:19:28,214 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-09-10 08:19:28,640 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2019-09-10 08:19:29,304 WARN L188 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2019-09-10 08:19:29,724 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-10 08:19:30,169 WARN L188 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:19:30,534 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:19:30,865 WARN L188 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-10 08:19:31,372 WARN L188 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:19:31,830 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 58 [2019-09-10 08:19:32,320 WARN L188 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-10 08:19:32,770 WARN L188 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:19:33,236 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:19:33,647 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-10 08:19:33,977 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 71 [2019-09-10 08:19:34,300 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 82 [2019-09-10 08:19:34,995 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2019-09-10 08:19:35,411 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-10 08:19:35,705 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-10 08:19:35,973 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-10 08:19:36,267 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:19:36,564 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:19:36,970 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 74 [2019-09-10 08:19:37,523 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2019-09-10 08:19:39,730 WARN L188 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-10 08:19:40,180 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:19:40,537 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 08:19:41,071 WARN L188 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-10 08:19:41,489 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-09-10 08:19:42,019 WARN L188 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-10 08:19:42,432 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:19:42,887 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:19:43,240 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:19:43,567 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:19:43,856 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-10 08:19:44,168 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:19:44,667 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:19:44,994 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2019-09-10 08:19:45,427 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-10 08:19:46,044 WARN L188 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 08:19:47,039 WARN L188 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-10 08:19:47,623 WARN L188 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-10 08:19:47,987 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-10 08:19:48,341 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 08:19:48,744 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:19:49,267 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-10 08:19:49,682 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:19:50,210 WARN L188 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 08:19:50,737 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-10 08:19:51,106 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-10 08:19:51,448 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-10 08:19:51,816 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 08:19:52,299 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-09-10 08:19:52,821 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-10 08:19:53,228 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-10 08:19:53,553 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-10 08:19:54,009 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:19:54,314 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-10 08:19:54,624 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:19:55,090 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2019-09-10 08:19:55,444 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:19:55,822 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-10 08:19:56,187 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-10 08:19:56,723 WARN L188 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2019-09-10 08:19:57,122 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:19:57,555 WARN L188 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:19:57,855 WARN L188 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-10 08:19:58,389 WARN L188 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:19:58,707 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:19:59,056 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 08:19:59,368 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:19:59,707 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2019-09-10 08:20:01,136 WARN L188 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 102 DAG size of output: 95 [2019-09-10 08:20:01,477 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-10 08:20:01,814 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-09-10 08:20:02,259 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-10 08:20:02,736 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-10 08:20:03,215 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2019-09-10 08:20:03,812 WARN L188 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 08:20:04,364 WARN L188 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 100 [2019-09-10 08:20:04,837 WARN L188 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-10 08:20:05,219 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-10 08:20:05,594 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-10 08:20:05,947 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 08:20:06,315 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-09-10 08:20:06,761 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-10 08:20:07,246 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-10 08:20:07,553 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:20:08,011 WARN L188 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:20:08,472 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2019-09-10 08:20:08,853 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-10 08:20:09,576 WARN L188 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2019-09-10 08:20:10,026 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:20:10,375 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-10 08:20:10,757 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-10 08:20:11,077 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-10 08:20:11,451 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-10 08:20:11,863 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:20:12,301 WARN L188 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-10 08:20:12,652 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-10 08:20:13,024 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-10 08:20:13,331 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:20:13,669 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:20:14,081 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-10 08:20:14,574 WARN L188 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:20:14,976 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-10 08:20:15,371 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-10 08:20:15,844 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2019-09-10 08:20:16,210 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-10 08:20:16,570 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-10 08:20:16,972 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 08:20:17,474 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 96 [2019-09-10 08:20:17,801 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:20:18,180 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2019-09-10 08:20:18,619 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 91 [2019-09-10 08:20:19,017 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-10 08:20:19,505 WARN L188 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 93 [2019-09-10 08:20:20,105 WARN L188 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2019-09-10 08:20:20,560 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 96 [2019-09-10 08:20:21,002 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2019-09-10 08:20:21,386 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-10 08:20:21,704 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-10 08:20:22,064 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-10 08:20:22,450 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 95 [2019-09-10 08:20:22,858 WARN L188 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2019-09-10 08:20:23,656 WARN L188 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 93 [2019-09-10 08:20:24,082 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 08:20:24,560 WARN L188 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 96 [2019-09-10 08:20:24,896 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-10 08:20:25,383 WARN L188 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-10 08:20:25,774 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-10 08:20:26,145 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 08:20:26,624 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:20:26,912 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-10 08:20:27,265 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:20:27,587 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:20:27,926 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:20:28,323 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:20:28,701 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-10 08:20:29,164 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2019-09-10 08:20:29,507 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-10 08:20:29,883 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-10 08:20:30,215 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:20:30,605 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-10 08:20:30,965 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 08:20:31,359 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2019-09-10 08:20:31,783 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:20:32,127 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:20:32,446 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-10 08:20:32,816 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:20:33,247 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:20:33,587 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:20:33,907 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-10 08:20:34,246 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:20:34,607 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:20:35,078 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 88 [2019-09-10 08:20:35,455 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-10 08:20:35,973 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 95 [2019-09-10 08:20:36,291 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-10 08:20:36,651 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-09-10 08:20:37,579 WARN L188 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 88 [2019-09-10 08:20:37,950 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2019-09-10 08:20:38,379 WARN L188 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2019-09-10 08:20:38,790 WARN L188 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-10 08:20:39,221 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:20:39,606 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 88 [2019-09-10 08:20:39,942 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-10 08:20:40,404 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-10 08:20:40,779 WARN L188 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 08:20:41,296 WARN L188 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-09-10 08:20:41,643 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-09-10 08:20:42,148 WARN L188 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2019-09-10 08:20:42,628 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 94 [2019-09-10 08:20:43,027 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-10 08:20:43,586 WARN L188 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 100 [2019-09-10 08:20:43,972 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-10 08:20:44,387 WARN L188 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2019-09-10 08:20:44,833 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:20:45,210 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2019-09-10 08:20:45,579 WARN L188 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 91 [2019-09-10 08:20:45,979 WARN L188 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 94 [2019-09-10 08:20:46,487 WARN L188 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 94 [2019-09-10 08:20:46,914 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 87 [2019-09-10 08:20:47,306 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 89 [2019-09-10 08:20:47,650 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-10 08:20:48,010 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-10 08:20:48,388 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 91 [2019-09-10 08:20:48,823 WARN L188 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 94 [2019-09-10 08:20:49,389 WARN L188 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:20:49,757 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-10 08:20:50,181 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:20:50,503 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-10 08:20:50,815 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:20:51,127 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-10 08:20:51,455 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:20:51,774 WARN L188 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:20:52,250 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-10 08:20:52,603 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:20:53,000 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-10 08:20:53,683 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:20:54,053 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 08:20:54,484 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:20:54,814 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-10 08:20:55,123 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:20:55,716 WARN L188 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-10 08:20:56,003 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-10 08:20:56,499 WARN L188 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:20:58,942 WARN L188 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:20:59,327 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-10 08:20:59,654 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:21:00,049 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-10 08:21:00,510 WARN L188 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2019-09-10 08:21:01,059 WARN L188 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 92 [2019-09-10 08:21:01,546 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-10 08:21:01,900 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:21:02,403 WARN L188 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 85 [2019-09-10 08:21:02,756 WARN L188 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-10 08:21:03,113 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-10 08:21:03,532 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 08:21:03,891 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-10 08:21:04,368 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 96 [2019-09-10 08:21:04,840 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-10 08:21:05,194 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-09-10 08:21:05,567 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2019-09-10 08:21:05,927 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-10 08:21:06,337 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 08:21:06,943 WARN L188 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-09-10 08:21:07,475 WARN L188 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 08:21:08,096 WARN L188 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2019-09-10 08:21:08,603 WARN L188 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 91 [2019-09-10 08:21:08,926 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-10 08:21:09,330 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2019-09-10 08:21:09,692 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-10 08:21:10,101 WARN L188 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-10 08:21:10,567 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-10 08:21:10,942 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-10 08:21:11,405 WARN L188 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-10 08:21:11,842 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 95 [2019-09-10 08:21:12,215 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 08:21:12,671 WARN L188 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2019-09-10 08:21:13,142 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 83 [2019-09-10 08:21:13,536 WARN L188 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 86 [2019-09-10 08:21:14,015 WARN L188 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:21:14,407 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-10 08:21:14,826 WARN L188 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:21:15,231 WARN L188 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:21:15,663 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:21:15,993 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-10 08:21:16,432 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:21:16,935 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:21:17,362 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:21:17,927 WARN L188 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:21:18,298 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 72 [2019-09-10 08:21:18,661 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:21:19,133 WARN L188 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:21:19,516 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2019-09-10 08:21:19,955 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-10 08:21:20,318 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-10 08:21:20,658 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-10 08:21:21,071 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 88 [2019-09-10 08:21:21,465 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-10 08:21:21,883 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2019-09-10 08:21:22,264 WARN L188 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 08:21:22,686 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 93 [2019-09-10 08:21:23,430 WARN L188 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 87 [2019-09-10 08:21:23,883 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-10 08:21:24,271 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-10 08:21:24,975 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 08:21:25,468 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2019-09-10 08:21:25,990 WARN L188 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-10 08:21:26,317 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-10 08:21:26,717 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:21:27,062 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-10 08:21:27,479 WARN L188 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2019-09-10 08:21:27,797 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-10 08:21:28,365 WARN L188 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 89 [2019-09-10 08:21:29,202 WARN L188 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-10 08:21:29,668 WARN L188 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:21:30,105 WARN L188 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:21:30,430 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-10 08:21:30,728 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:21:31,433 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-10 08:21:31,797 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:21:32,148 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-09-10 08:21:32,540 WARN L188 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 85 [2019-09-10 08:21:32,887 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 79 [2019-09-10 08:21:33,241 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-10 08:21:33,778 WARN L188 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 84 [2019-09-10 08:21:34,990 WARN L188 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 78 [2019-09-10 08:21:35,324 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 81 [2019-09-10 08:21:35,928 WARN L188 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-10 08:21:36,217 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:21:36,845 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-10 08:21:37,188 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2019-09-10 08:21:42,764 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-10 08:21:43,184 WARN L188 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2019-09-10 08:21:43,559 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:21:44,023 WARN L188 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:21:44,409 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-10 08:21:44,795 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:21:45,214 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:21:45,778 WARN L188 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:21:46,209 WARN L188 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:21:46,649 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 90 [2019-09-10 08:21:47,492 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2019-09-10 08:21:47,929 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 95 [2019-09-10 08:21:48,591 WARN L188 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2019-09-10 08:21:48,944 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-10 08:21:49,599 WARN L188 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:21:50,080 WARN L188 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-10 08:21:50,561 WARN L188 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 91 [2019-09-10 08:21:51,109 WARN L188 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 95 [2019-09-10 08:21:51,527 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:21:52,205 WARN L188 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:21:52,556 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-10 08:21:52,939 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 92 [2019-09-10 08:21:53,360 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:21:53,696 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:21:54,155 WARN L188 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:21:54,798 WARN L188 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:21:55,302 WARN L188 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:21:55,688 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:21:56,244 WARN L188 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:21:56,628 WARN L188 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:21:57,058 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2019-09-10 08:21:57,518 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-10 08:21:58,005 WARN L188 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:21:58,457 WARN L188 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2019-09-10 08:21:58,915 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2019-09-10 08:21:59,559 WARN L188 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2019-09-10 08:21:59,993 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 95 [2019-09-10 08:22:00,618 WARN L188 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 99 [2019-09-10 08:22:01,011 WARN L188 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-09-10 08:22:01,405 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:22:01,867 WARN L188 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-10 08:22:02,409 WARN L188 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-09-10 08:22:02,740 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:22:03,155 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 90 [2019-09-10 08:22:03,488 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:22:03,974 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-10 08:22:04,316 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-10 08:22:04,669 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:22:05,124 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:22:05,563 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:22:05,912 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-10 08:22:06,598 WARN L188 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-10 08:22:06,981 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:22:07,342 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:22:07,861 WARN L188 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2019-09-10 08:22:08,346 WARN L188 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:22:08,880 WARN L188 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2019-09-10 08:22:09,400 WARN L188 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2019-09-10 08:22:09,823 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-10 08:22:10,268 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2019-09-10 08:22:10,737 WARN L188 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 77 [2019-09-10 08:22:11,119 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 91 [2019-09-10 08:22:11,657 WARN L188 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-10 08:22:12,053 WARN L188 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-10 08:22:12,451 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:22:12,943 WARN L188 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:22:13,282 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-10 08:22:13,618 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2019-09-10 08:22:13,921 WARN L188 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-09-10 08:22:14,299 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-10 08:22:14,722 WARN L188 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:22:15,056 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:22:15,505 WARN L188 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-10 08:22:15,860 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-10 08:22:16,204 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-10 08:22:16,547 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:22:16,922 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:22:17,284 WARN L188 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-10 08:22:17,774 WARN L188 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:22:18,344 WARN L188 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-10 08:22:18,876 WARN L188 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-10 08:22:19,403 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-10 08:22:19,782 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2019-09-10 08:22:20,197 WARN L188 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2019-09-10 08:22:20,767 WARN L188 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 94 [2019-09-10 08:22:21,089 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-09-10 08:22:21,759 WARN L188 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-10 08:22:22,359 WARN L188 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:22:22,747 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:22:23,138 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 91 [2019-09-10 08:22:23,472 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-09-10 08:22:23,953 WARN L188 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-10 08:22:24,516 WARN L188 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-10 08:22:24,842 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:22:25,180 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-10 08:22:25,602 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2019-09-10 08:22:25,973 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-10 08:22:26,583 WARN L188 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:22:27,140 WARN L188 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2019-09-10 08:22:27,514 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2019-09-10 08:22:27,890 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:22:28,327 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-10 08:22:28,727 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-10 08:22:29,479 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-10 08:22:30,617 WARN L188 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:22:31,017 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:22:31,488 WARN L188 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2019-09-10 08:22:32,202 WARN L188 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 08:22:32,566 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:22:33,017 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-10 08:22:33,973 WARN L188 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-10 08:22:34,395 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 92 [2019-09-10 08:22:34,930 WARN L188 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:22:35,447 WARN L188 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:22:35,809 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:22:36,517 WARN L188 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 89 [2019-09-10 08:22:36,902 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:22:37,349 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-10 08:22:37,908 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:22:38,766 WARN L188 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 93 [2019-09-10 08:22:39,353 WARN L188 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:22:39,784 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 08:22:40,362 WARN L188 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:22:40,923 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-10 08:22:41,295 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-10 08:22:41,788 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-10 08:22:42,371 WARN L188 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:22:42,737 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:22:43,152 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 85 [2019-09-10 08:22:43,617 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-10 08:22:44,069 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:22:44,555 WARN L188 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-10 08:22:44,933 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-10 08:22:45,377 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-09-10 08:22:45,808 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:22:46,300 WARN L188 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 95 [2019-09-10 08:22:47,068 WARN L188 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-09-10 08:22:47,963 WARN L188 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-10 08:22:48,334 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-10 08:22:49,077 WARN L188 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-09-10 08:22:49,594 WARN L188 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-09-10 08:22:50,132 WARN L188 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-09-10 08:22:50,591 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-09-10 08:22:50,999 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:22:51,415 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2019-09-10 08:22:51,800 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:22:52,165 WARN L188 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:22:52,680 WARN L188 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2019-09-10 08:22:53,067 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:22:53,422 WARN L188 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2019-09-10 08:22:53,855 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2019-09-10 08:22:54,455 WARN L188 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-09-10 08:22:54,803 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:22:55,242 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-10 08:22:55,735 WARN L188 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-10 08:22:56,091 WARN L188 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-10 08:22:56,426 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-10 08:22:56,874 WARN L188 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 71 [2019-09-10 08:22:57,207 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:22:57,593 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-10 08:22:58,310 WARN L188 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-10 08:22:58,664 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-10 08:22:58,988 WARN L188 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-10 08:22:59,396 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:22:59,863 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-10 08:23:00,421 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2019-09-10 08:23:00,826 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:23:01,209 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:23:01,655 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 92 [2019-09-10 08:23:02,104 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-09-10 08:23:02,543 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-10 08:23:03,060 WARN L188 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-09-10 08:23:03,454 WARN L188 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2019-09-10 08:23:03,923 WARN L188 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 87 [2019-09-10 08:23:04,578 WARN L188 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2019-09-10 08:23:04,987 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-10 08:23:05,390 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:23:05,792 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:23:06,285 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 92 [2019-09-10 08:23:06,636 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-10 08:23:07,064 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 88 [2019-09-10 08:23:07,468 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 74 [2019-09-10 08:23:07,976 WARN L188 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2019-09-10 08:23:08,719 WARN L188 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-10 08:23:10,297 WARN L188 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2019-09-10 08:23:10,884 WARN L188 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:23:11,489 WARN L188 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:23:11,927 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 93 [2019-09-10 08:23:12,356 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:23:12,813 WARN L188 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2019-09-10 08:23:13,258 WARN L188 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-09-10 08:23:13,672 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:23:14,051 WARN L188 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:23:14,442 WARN L188 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 82 [2019-09-10 08:23:14,947 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:23:15,524 WARN L188 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2019-09-10 08:23:16,044 WARN L188 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2019-09-10 08:23:16,460 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2019-09-10 08:23:16,875 WARN L188 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 88 [2019-09-10 08:23:17,400 WARN L188 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-09-10 08:23:18,012 WARN L188 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 94 [2019-09-10 08:23:18,544 WARN L188 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-10 08:23:18,934 WARN L188 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:23:19,286 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-10 08:23:19,981 WARN L188 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-10 08:23:20,598 WARN L188 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2019-09-10 08:23:21,198 WARN L188 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 70 [2019-09-10 08:23:21,717 WARN L188 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-10 08:23:22,569 WARN L188 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-10 08:23:22,911 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-09-10 08:23:23,249 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2019-09-10 08:23:23,747 WARN L188 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-10 08:23:24,053 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-10 08:23:24,451 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-10 08:23:24,821 WARN L188 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-09-10 08:23:25,161 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:23:25,503 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-09-10 08:23:25,878 WARN L188 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2019-09-10 08:23:26,227 WARN L188 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2019-09-10 08:23:26,715 WARN L188 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 81 [2019-09-10 08:23:27,141 WARN L188 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 67 [2019-09-10 08:23:27,524 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 88 [2019-09-10 08:23:27,897 WARN L188 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 83 [2019-09-10 08:23:28,336 WARN L188 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-09-10 08:23:28,669 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2019-09-10 08:23:29,022 WARN L188 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 69 [2019-09-10 08:23:29,467 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:23:29,849 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:23:30,347 WARN L188 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-10 08:23:30,719 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2019-09-10 08:23:31,109 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:23:31,716 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2019-09-10 08:23:32,117 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:23:32,607 WARN L188 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2019-09-10 08:23:33,649 WARN L188 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-10 08:23:34,086 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:23:34,548 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 89 [2019-09-10 08:23:34,927 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2019-09-10 08:23:35,337 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-09-10 08:23:35,767 WARN L188 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2019-09-10 08:23:36,256 WARN L188 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 78 [2019-09-10 08:23:36,683 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2019-09-10 08:23:37,045 WARN L188 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:23:37,546 WARN L188 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 79 [2019-09-10 08:23:38,120 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 73 [2019-09-10 08:23:38,685 WARN L188 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 98 [2019-09-10 08:23:39,168 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-10 08:23:39,669 WARN L188 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2019-09-10 08:23:40,204 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:23:40,823 WARN L188 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2019-09-10 08:23:41,224 WARN L188 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 78 [2019-09-10 08:23:41,586 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2019-09-10 08:23:42,220 WARN L188 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2019-09-10 08:23:42,921 WARN L188 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 80 [2019-09-10 08:23:43,406 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:23:43,799 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2019-09-10 08:23:44,281 WARN L188 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 90 [2019-09-10 08:23:45,173 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 83 [2019-09-10 08:23:45,675 WARN L188 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2019-09-10 08:23:46,133 WARN L188 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 92