/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 14:57:50,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 14:57:50,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 14:57:50,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 14:57:50,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 14:57:50,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 14:57:50,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 14:57:50,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 14:57:50,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 14:57:50,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 14:57:50,143 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 14:57:50,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 14:57:50,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 14:57:50,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 14:57:50,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 14:57:50,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 14:57:50,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 14:57:50,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 14:57:50,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 14:57:50,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 14:57:50,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 14:57:50,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 14:57:50,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 14:57:50,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 14:57:50,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 14:57:50,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 14:57:50,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 14:57:50,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 14:57:50,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 14:57:50,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 14:57:50,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 14:57:50,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 14:57:50,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 14:57:50,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 14:57:50,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 14:57:50,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 14:57:50,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 14:57:50,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 14:57:50,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 14:57:50,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 14:57:50,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 14:57:50,172 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 14:57:50,189 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 14:57:50,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 14:57:50,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 14:57:50,192 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 14:57:50,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 14:57:50,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 14:57:50,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 14:57:50,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 14:57:50,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 14:57:50,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 14:57:50,193 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 14:57:50,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 14:57:50,194 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 14:57:50,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 14:57:50,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 14:57:50,194 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 14:57:50,195 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 14:57:50,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 14:57:50,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 14:57:50,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 14:57:50,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 14:57:50,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 14:57:50,197 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-17 14:57:50,544 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 14:57:50,567 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 14:57:50,571 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 14:57:50,572 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 14:57:50,575 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 14:57:50,575 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2020-07-17 14:57:50,655 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc16a1bbe/e9b18df5deea4660a732a5d8d461cf38/FLAG32548ce50 [2020-07-17 14:57:51,132 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 14:57:51,133 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2020-07-17 14:57:51,155 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc16a1bbe/e9b18df5deea4660a732a5d8d461cf38/FLAG32548ce50 [2020-07-17 14:57:51,469 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc16a1bbe/e9b18df5deea4660a732a5d8d461cf38 [2020-07-17 14:57:51,476 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 14:57:51,479 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 14:57:51,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 14:57:51,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 14:57:51,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 14:57:51,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 02:57:51" (1/1) ... [2020-07-17 14:57:51,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@106af91f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:57:51, skipping insertion in model container [2020-07-17 14:57:51,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 02:57:51" (1/1) ... [2020-07-17 14:57:51,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 14:57:51,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 14:57:51,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 14:57:51,831 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 14:57:51,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 14:57:52,027 INFO L208 MainTranslator]: Completed translation [2020-07-17 14:57:52,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:57:52 WrapperNode [2020-07-17 14:57:52,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 14:57:52,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 14:57:52,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 14:57:52,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 14:57:52,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:57:52" (1/1) ... [2020-07-17 14:57:52,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:57:52" (1/1) ... [2020-07-17 14:57:52,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:57:52" (1/1) ... [2020-07-17 14:57:52,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:57:52" (1/1) ... [2020-07-17 14:57:52,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:57:52" (1/1) ... [2020-07-17 14:57:52,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:57:52" (1/1) ... [2020-07-17 14:57:52,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:57:52" (1/1) ... [2020-07-17 14:57:52,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 14:57:52,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 14:57:52,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 14:57:52,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 14:57:52,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:57:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 14:57:52,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 14:57:52,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 14:57:52,151 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-17 14:57:52,151 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side1_failed_history [2020-07-17 14:57:52,151 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2020-07-17 14:57:52,151 INFO L138 BoogieDeclarations]: Found implementation of procedure write_side2_failed_history [2020-07-17 14:57:52,151 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2020-07-17 14:57:52,151 INFO L138 BoogieDeclarations]: Found implementation of procedure write_active_side_history [2020-07-17 14:57:52,152 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2020-07-17 14:57:52,152 INFO L138 BoogieDeclarations]: Found implementation of procedure write_manual_selection_history [2020-07-17 14:57:52,152 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2020-07-17 14:57:52,152 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-07-17 14:57:52,152 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2020-07-17 14:57:52,152 INFO L138 BoogieDeclarations]: Found implementation of procedure Console_task_each_pals_period [2020-07-17 14:57:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure Side1_activestandby_task_each_pals_period [2020-07-17 14:57:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure Side2_activestandby_task_each_pals_period [2020-07-17 14:57:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure Pendulum_prism_task_each_pals_period [2020-07-17 14:57:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2020-07-17 14:57:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 14:57:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-07-17 14:57:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 14:57:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-07-17 14:57:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-07-17 14:57:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-07-17 14:57:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-07-17 14:57:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-07-17 14:57:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-17 14:57:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-17 14:57:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure write_side1_failed_history [2020-07-17 14:57:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2020-07-17 14:57:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure write_side2_failed_history [2020-07-17 14:57:52,156 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2020-07-17 14:57:52,156 INFO L130 BoogieDeclarations]: Found specification of procedure write_active_side_history [2020-07-17 14:57:52,156 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2020-07-17 14:57:52,156 INFO L130 BoogieDeclarations]: Found specification of procedure write_manual_selection_history [2020-07-17 14:57:52,156 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2020-07-17 14:57:52,156 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-07-17 14:57:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2020-07-17 14:57:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure Console_task_each_pals_period [2020-07-17 14:57:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure Side1_activestandby_task_each_pals_period [2020-07-17 14:57:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure Side2_activestandby_task_each_pals_period [2020-07-17 14:57:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure Pendulum_prism_task_each_pals_period [2020-07-17 14:57:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-07-17 14:57:52,158 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 14:57:52,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 14:57:52,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 14:57:53,135 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 14:57:53,135 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 14:57:53,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 02:57:53 BoogieIcfgContainer [2020-07-17 14:57:53,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 14:57:53,144 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 14:57:53,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 14:57:53,147 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 14:57:53,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 02:57:51" (1/3) ... [2020-07-17 14:57:53,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b19c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 02:57:53, skipping insertion in model container [2020-07-17 14:57:53,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 02:57:52" (2/3) ... [2020-07-17 14:57:53,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b19c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 02:57:53, skipping insertion in model container [2020-07-17 14:57:53,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 02:57:53" (3/3) ... [2020-07-17 14:57:53,151 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_ActiveStandby.1.ufo.UNBOUNDED.pals.c [2020-07-17 14:57:53,161 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 14:57:53,170 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 14:57:53,183 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 14:57:53,202 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 14:57:53,203 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 14:57:53,203 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-17 14:57:53,203 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 14:57:53,203 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 14:57:53,203 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 14:57:53,204 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 14:57:53,204 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 14:57:53,228 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states. [2020-07-17 14:57:53,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-07-17 14:57:53,254 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:57:53,255 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 14:57:53,256 INFO L427 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:57:53,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:57:53,262 INFO L82 PathProgramCache]: Analyzing trace with hash -182402980, now seen corresponding path program 1 times [2020-07-17 14:57:53,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:57:53,271 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1384313359] [2020-07-17 14:57:53,272 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:57:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:57:53,870 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 14:57:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:57:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:57:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:57:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:57:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:57:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:57:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:57:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:57:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:57:54,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:57:55,167 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:57:55,171 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1384313359] [2020-07-17 14:57:55,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:57:55,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2020-07-17 14:57:55,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640039226] [2020-07-17 14:57:55,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-07-17 14:57:55,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:57:55,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-07-17 14:57:55,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=708, Unknown=0, NotChecked=0, Total=930 [2020-07-17 14:57:55,209 INFO L87 Difference]: Start difference. First operand 574 states. Second operand 31 states. [2020-07-17 14:57:56,085 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 14:57:56,463 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-17 14:57:56,627 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 14:58:00,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:58:00,695 INFO L93 Difference]: Finished difference Result 1019 states and 1270 transitions. [2020-07-17 14:58:00,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-17 14:58:00,697 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 228 [2020-07-17 14:58:00,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:58:00,715 INFO L225 Difference]: With dead ends: 1019 [2020-07-17 14:58:00,716 INFO L226 Difference]: Without dead ends: 550 [2020-07-17 14:58:00,727 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 451 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=398, Invalid=1672, Unknown=0, NotChecked=0, Total=2070 [2020-07-17 14:58:00,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2020-07-17 14:58:00,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 550. [2020-07-17 14:58:00,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 550 states. [2020-07-17 14:58:00,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 643 transitions. [2020-07-17 14:58:00,878 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 643 transitions. Word has length 228 [2020-07-17 14:58:00,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:58:00,879 INFO L479 AbstractCegarLoop]: Abstraction has 550 states and 643 transitions. [2020-07-17 14:58:00,879 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-07-17 14:58:00,880 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 643 transitions. [2020-07-17 14:58:00,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-07-17 14:58:00,886 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:58:00,886 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 14:58:00,887 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 14:58:00,887 INFO L427 AbstractCegarLoop]: === Iteration 2 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:58:00,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:58:00,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1513791060, now seen corresponding path program 1 times [2020-07-17 14:58:00,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:58:00,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [953501776] [2020-07-17 14:58:00,888 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:58:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:01,144 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 14:58:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:01,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:58:01,391 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:58:01,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [953501776] [2020-07-17 14:58:01,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:58:01,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-17 14:58:01,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403180318] [2020-07-17 14:58:01,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 14:58:01,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:58:01,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 14:58:01,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-07-17 14:58:01,396 INFO L87 Difference]: Start difference. First operand 550 states and 643 transitions. Second operand 11 states. [2020-07-17 14:58:03,215 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-17 14:58:03,341 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-17 14:58:04,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:58:04,651 INFO L93 Difference]: Finished difference Result 976 states and 1167 transitions. [2020-07-17 14:58:04,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-17 14:58:04,651 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 239 [2020-07-17 14:58:04,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:58:04,659 INFO L225 Difference]: With dead ends: 976 [2020-07-17 14:58:04,659 INFO L226 Difference]: Without dead ends: 555 [2020-07-17 14:58:04,662 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=179, Invalid=373, Unknown=0, NotChecked=0, Total=552 [2020-07-17 14:58:04,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2020-07-17 14:58:04,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2020-07-17 14:58:04,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2020-07-17 14:58:04,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 647 transitions. [2020-07-17 14:58:04,752 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 647 transitions. Word has length 239 [2020-07-17 14:58:04,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:58:04,753 INFO L479 AbstractCegarLoop]: Abstraction has 555 states and 647 transitions. [2020-07-17 14:58:04,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 14:58:04,753 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 647 transitions. [2020-07-17 14:58:04,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2020-07-17 14:58:04,759 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:58:04,759 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 14:58:04,760 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 14:58:04,760 INFO L427 AbstractCegarLoop]: === Iteration 3 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:58:04,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:58:04,760 INFO L82 PathProgramCache]: Analyzing trace with hash 960210052, now seen corresponding path program 1 times [2020-07-17 14:58:04,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:58:04,761 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [941895050] [2020-07-17 14:58:04,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:58:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:05,054 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 14:58:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:05,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-17 14:58:06,472 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:58:06,473 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [941895050] [2020-07-17 14:58:06,473 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:58:06,474 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2020-07-17 14:58:06,474 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061839581] [2020-07-17 14:58:06,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-07-17 14:58:06,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:58:06,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-07-17 14:58:06,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=1085, Unknown=0, NotChecked=0, Total=1260 [2020-07-17 14:58:06,476 INFO L87 Difference]: Start difference. First operand 555 states and 647 transitions. Second operand 36 states. [2020-07-17 14:58:06,634 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-07-17 14:58:07,136 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 14:58:09,025 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-07-17 14:58:09,857 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 14:58:10,153 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 14:58:10,295 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-07-17 14:58:12,136 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 14:58:12,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:58:12,657 INFO L93 Difference]: Finished difference Result 1187 states and 1399 transitions. [2020-07-17 14:58:12,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-07-17 14:58:12,658 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 312 [2020-07-17 14:58:12,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:58:12,667 INFO L225 Difference]: With dead ends: 1187 [2020-07-17 14:58:12,668 INFO L226 Difference]: Without dead ends: 761 [2020-07-17 14:58:12,672 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 56 SyntacticMatches, 2 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1461 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=741, Invalid=4089, Unknown=0, NotChecked=0, Total=4830 [2020-07-17 14:58:12,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2020-07-17 14:58:12,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 753. [2020-07-17 14:58:12,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2020-07-17 14:58:12,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 869 transitions. [2020-07-17 14:58:12,839 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 869 transitions. Word has length 312 [2020-07-17 14:58:12,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:58:12,840 INFO L479 AbstractCegarLoop]: Abstraction has 753 states and 869 transitions. [2020-07-17 14:58:12,840 INFO L480 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-07-17 14:58:12,840 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 869 transitions. [2020-07-17 14:58:12,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2020-07-17 14:58:12,847 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:58:12,848 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 14:58:12,848 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 14:58:12,848 INFO L427 AbstractCegarLoop]: === Iteration 4 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:58:12,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:58:12,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1233076012, now seen corresponding path program 1 times [2020-07-17 14:58:12,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:58:12,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [79835611] [2020-07-17 14:58:12,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:58:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:13,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:58:14,473 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:58:14,473 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [79835611] [2020-07-17 14:58:14,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:58:14,474 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2020-07-17 14:58:14,474 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721920807] [2020-07-17 14:58:14,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-07-17 14:58:14,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:58:14,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-07-17 14:58:14,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=1370, Unknown=0, NotChecked=0, Total=1560 [2020-07-17 14:58:14,477 INFO L87 Difference]: Start difference. First operand 753 states and 869 transitions. Second operand 40 states. [2020-07-17 14:58:15,135 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 14:58:18,190 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 14:58:18,559 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-07-17 14:58:18,701 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-07-17 14:58:18,843 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-07-17 14:58:18,977 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 14:58:19,126 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-07-17 14:58:19,308 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-07-17 14:58:22,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:58:22,408 INFO L93 Difference]: Finished difference Result 1284 states and 1527 transitions. [2020-07-17 14:58:22,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-07-17 14:58:22,415 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 324 [2020-07-17 14:58:22,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:58:22,420 INFO L225 Difference]: With dead ends: 1284 [2020-07-17 14:58:22,421 INFO L226 Difference]: Without dead ends: 849 [2020-07-17 14:58:22,424 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 59 SyntacticMatches, 2 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2083 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=904, Invalid=5576, Unknown=0, NotChecked=0, Total=6480 [2020-07-17 14:58:22,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2020-07-17 14:58:22,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 759. [2020-07-17 14:58:22,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 759 states. [2020-07-17 14:58:22,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 874 transitions. [2020-07-17 14:58:22,573 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 874 transitions. Word has length 324 [2020-07-17 14:58:22,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:58:22,574 INFO L479 AbstractCegarLoop]: Abstraction has 759 states and 874 transitions. [2020-07-17 14:58:22,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-07-17 14:58:22,574 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 874 transitions. [2020-07-17 14:58:22,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-07-17 14:58:22,579 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:58:22,580 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 14:58:22,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 14:58:22,580 INFO L427 AbstractCegarLoop]: === Iteration 5 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:58:22,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:58:22,581 INFO L82 PathProgramCache]: Analyzing trace with hash -654054614, now seen corresponding path program 1 times [2020-07-17 14:58:22,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:58:22,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [24649295] [2020-07-17 14:58:22,581 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:58:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:22,819 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 14:58:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:22,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:23,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:58:24,165 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:58:24,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [24649295] [2020-07-17 14:58:24,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:58:24,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2020-07-17 14:58:24,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711448489] [2020-07-17 14:58:24,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-07-17 14:58:24,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:58:24,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-07-17 14:58:24,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=1370, Unknown=0, NotChecked=0, Total=1560 [2020-07-17 14:58:24,169 INFO L87 Difference]: Start difference. First operand 759 states and 874 transitions. Second operand 40 states. [2020-07-17 14:58:24,841 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 14:58:25,644 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 14:58:27,658 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-07-17 14:58:28,938 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-07-17 14:58:29,084 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-07-17 14:58:29,232 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-07-17 14:58:29,387 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-07-17 14:58:29,548 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-07-17 14:58:29,721 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-07-17 14:58:31,968 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 14:58:32,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:58:32,968 INFO L93 Difference]: Finished difference Result 1296 states and 1540 transitions. [2020-07-17 14:58:32,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-07-17 14:58:32,968 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 326 [2020-07-17 14:58:32,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:58:32,974 INFO L225 Difference]: With dead ends: 1296 [2020-07-17 14:58:32,974 INFO L226 Difference]: Without dead ends: 855 [2020-07-17 14:58:32,977 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 58 SyntacticMatches, 2 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1893 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=966, Invalid=5040, Unknown=0, NotChecked=0, Total=6006 [2020-07-17 14:58:32,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2020-07-17 14:58:33,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 768. [2020-07-17 14:58:33,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 768 states. [2020-07-17 14:58:33,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 883 transitions. [2020-07-17 14:58:33,149 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 883 transitions. Word has length 326 [2020-07-17 14:58:33,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:58:33,150 INFO L479 AbstractCegarLoop]: Abstraction has 768 states and 883 transitions. [2020-07-17 14:58:33,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-07-17 14:58:33,150 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 883 transitions. [2020-07-17 14:58:33,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-07-17 14:58:33,153 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:58:33,153 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 14:58:33,154 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 14:58:33,154 INFO L427 AbstractCegarLoop]: === Iteration 6 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:58:33,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:58:33,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1519300533, now seen corresponding path program 1 times [2020-07-17 14:58:33,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:58:33,155 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [700275654] [2020-07-17 14:58:33,155 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:58:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:33,384 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 14:58:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:33,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:33,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:58:33,958 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:58:33,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [700275654] [2020-07-17 14:58:33,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:58:33,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-07-17 14:58:33,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665617948] [2020-07-17 14:58:33,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-17 14:58:33,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:58:33,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-17 14:58:33,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2020-07-17 14:58:33,960 INFO L87 Difference]: Start difference. First operand 768 states and 883 transitions. Second operand 20 states. [2020-07-17 14:58:35,810 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-17 14:58:37,994 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-07-17 14:58:38,142 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-07-17 14:58:38,288 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-07-17 14:58:38,428 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-07-17 14:58:38,653 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-07-17 14:58:38,820 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-07-17 14:58:38,983 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-07-17 14:58:39,149 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-07-17 14:58:40,028 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 14:58:40,166 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-07-17 14:58:40,301 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 14:58:40,427 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-17 14:58:40,613 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 14:58:40,768 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-07-17 14:58:40,925 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-07-17 14:58:41,085 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-07-17 14:58:44,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:58:44,974 INFO L93 Difference]: Finished difference Result 2014 states and 2442 transitions. [2020-07-17 14:58:44,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-07-17 14:58:44,975 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 336 [2020-07-17 14:58:44,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:58:44,985 INFO L225 Difference]: With dead ends: 2014 [2020-07-17 14:58:44,985 INFO L226 Difference]: Without dead ends: 1564 [2020-07-17 14:58:44,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 42 SyntacticMatches, 4 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 676 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=933, Invalid=2489, Unknown=0, NotChecked=0, Total=3422 [2020-07-17 14:58:44,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1564 states. [2020-07-17 14:58:45,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1564 to 1207. [2020-07-17 14:58:45,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1207 states. [2020-07-17 14:58:45,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1207 states and 1411 transitions. [2020-07-17 14:58:45,335 INFO L78 Accepts]: Start accepts. Automaton has 1207 states and 1411 transitions. Word has length 336 [2020-07-17 14:58:45,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:58:45,336 INFO L479 AbstractCegarLoop]: Abstraction has 1207 states and 1411 transitions. [2020-07-17 14:58:45,336 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-17 14:58:45,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1411 transitions. [2020-07-17 14:58:45,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-07-17 14:58:45,341 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:58:45,342 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 14:58:45,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 14:58:45,342 INFO L427 AbstractCegarLoop]: === Iteration 7 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:58:45,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:58:45,343 INFO L82 PathProgramCache]: Analyzing trace with hash -423601496, now seen corresponding path program 1 times [2020-07-17 14:58:45,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:58:45,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1157727229] [2020-07-17 14:58:45,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:58:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:45,571 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 14:58:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:45,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:58:46,095 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:58:46,096 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1157727229] [2020-07-17 14:58:46,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:58:46,096 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-07-17 14:58:46,096 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825696853] [2020-07-17 14:58:46,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-17 14:58:46,097 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:58:46,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-17 14:58:46,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2020-07-17 14:58:46,098 INFO L87 Difference]: Start difference. First operand 1207 states and 1411 transitions. Second operand 20 states. [2020-07-17 14:58:48,517 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-17 14:58:49,790 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-07-17 14:58:49,951 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-07-17 14:58:50,109 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-07-17 14:58:50,250 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-07-17 14:58:50,486 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-07-17 14:58:50,659 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-07-17 14:58:50,822 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-07-17 14:58:50,991 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-07-17 14:58:51,833 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 14:58:51,972 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-07-17 14:58:52,109 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 14:58:52,238 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-17 14:58:52,431 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 14:58:52,589 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 14:58:52,765 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 14:58:52,924 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-07-17 14:58:57,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:58:57,887 INFO L93 Difference]: Finished difference Result 3337 states and 4123 transitions. [2020-07-17 14:58:57,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-07-17 14:58:57,888 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 337 [2020-07-17 14:58:57,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:58:57,901 INFO L225 Difference]: With dead ends: 3337 [2020-07-17 14:58:57,901 INFO L226 Difference]: Without dead ends: 2538 [2020-07-17 14:58:57,907 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 45 SyntacticMatches, 3 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 677 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=934, Invalid=2488, Unknown=0, NotChecked=0, Total=3422 [2020-07-17 14:58:57,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2538 states. [2020-07-17 14:58:58,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2538 to 1906. [2020-07-17 14:58:58,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1906 states. [2020-07-17 14:58:58,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 1906 states and 2255 transitions. [2020-07-17 14:58:58,448 INFO L78 Accepts]: Start accepts. Automaton has 1906 states and 2255 transitions. Word has length 337 [2020-07-17 14:58:58,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:58:58,449 INFO L479 AbstractCegarLoop]: Abstraction has 1906 states and 2255 transitions. [2020-07-17 14:58:58,449 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-17 14:58:58,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1906 states and 2255 transitions. [2020-07-17 14:58:58,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2020-07-17 14:58:58,453 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:58:58,453 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 14:58:58,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 14:58:58,454 INFO L427 AbstractCegarLoop]: === Iteration 8 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:58:58,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:58:58,454 INFO L82 PathProgramCache]: Analyzing trace with hash 445009050, now seen corresponding path program 1 times [2020-07-17 14:58:58,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:58:58,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1480144050] [2020-07-17 14:58:58,455 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:58:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:58,675 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 14:58:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:58,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:58:59,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:58:59,214 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:58:59,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1480144050] [2020-07-17 14:58:59,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:58:59,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-07-17 14:58:59,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714849557] [2020-07-17 14:58:59,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-17 14:58:59,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:58:59,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-17 14:58:59,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2020-07-17 14:58:59,217 INFO L87 Difference]: Start difference. First operand 1906 states and 2255 transitions. Second operand 20 states. [2020-07-17 14:58:59,937 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 14:59:04,158 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 14:59:04,329 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-07-17 14:59:04,469 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 14:59:04,621 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-07-17 14:59:04,843 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-07-17 14:59:05,022 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-07-17 14:59:05,178 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-07-17 14:59:05,331 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-07-17 14:59:06,478 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-07-17 14:59:06,633 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-07-17 14:59:06,817 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-07-17 14:59:06,981 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-07-17 14:59:07,213 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-07-17 14:59:07,401 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-07-17 14:59:07,562 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-07-17 14:59:07,725 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-07-17 14:59:09,236 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-07-17 14:59:09,455 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-07-17 14:59:09,926 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-07-17 14:59:10,113 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-07-17 14:59:13,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:59:13,678 INFO L93 Difference]: Finished difference Result 4242 states and 5228 transitions. [2020-07-17 14:59:13,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-07-17 14:59:13,678 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 345 [2020-07-17 14:59:13,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:59:13,695 INFO L225 Difference]: With dead ends: 4242 [2020-07-17 14:59:13,695 INFO L226 Difference]: Without dead ends: 2770 [2020-07-17 14:59:13,704 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 45 SyntacticMatches, 4 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 895 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=1083, Invalid=3077, Unknown=0, NotChecked=0, Total=4160 [2020-07-17 14:59:13,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2770 states. [2020-07-17 14:59:14,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2770 to 1930. [2020-07-17 14:59:14,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1930 states. [2020-07-17 14:59:14,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1930 states to 1930 states and 2270 transitions. [2020-07-17 14:59:14,208 INFO L78 Accepts]: Start accepts. Automaton has 1930 states and 2270 transitions. Word has length 345 [2020-07-17 14:59:14,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:59:14,209 INFO L479 AbstractCegarLoop]: Abstraction has 1930 states and 2270 transitions. [2020-07-17 14:59:14,209 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-17 14:59:14,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1930 states and 2270 transitions. [2020-07-17 14:59:14,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-07-17 14:59:14,213 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:59:14,213 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 14:59:14,213 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 14:59:14,213 INFO L427 AbstractCegarLoop]: === Iteration 9 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:59:14,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:59:14,214 INFO L82 PathProgramCache]: Analyzing trace with hash -365762923, now seen corresponding path program 1 times [2020-07-17 14:59:14,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:59:14,214 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1535243094] [2020-07-17 14:59:14,214 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:59:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:14,416 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 14:59:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:14,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:59:14,710 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:59:14,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1535243094] [2020-07-17 14:59:14,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:59:14,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-17 14:59:14,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96948745] [2020-07-17 14:59:14,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-17 14:59:14,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:59:14,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-17 14:59:14,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-07-17 14:59:14,712 INFO L87 Difference]: Start difference. First operand 1930 states and 2270 transitions. Second operand 13 states. [2020-07-17 14:59:17,105 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-17 14:59:17,239 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-17 14:59:18,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:59:18,573 INFO L93 Difference]: Finished difference Result 3450 states and 4112 transitions. [2020-07-17 14:59:18,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-17 14:59:18,573 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 337 [2020-07-17 14:59:18,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:59:18,581 INFO L225 Difference]: With dead ends: 3450 [2020-07-17 14:59:18,581 INFO L226 Difference]: Without dead ends: 1954 [2020-07-17 14:59:18,586 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=291, Invalid=639, Unknown=0, NotChecked=0, Total=930 [2020-07-17 14:59:18,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1954 states. [2020-07-17 14:59:18,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1954 to 1954. [2020-07-17 14:59:18,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1954 states. [2020-07-17 14:59:18,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 2290 transitions. [2020-07-17 14:59:18,974 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 2290 transitions. Word has length 337 [2020-07-17 14:59:18,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:59:18,975 INFO L479 AbstractCegarLoop]: Abstraction has 1954 states and 2290 transitions. [2020-07-17 14:59:18,975 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-17 14:59:18,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2290 transitions. [2020-07-17 14:59:18,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2020-07-17 14:59:18,979 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:59:18,979 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 14:59:18,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-17 14:59:18,980 INFO L427 AbstractCegarLoop]: === Iteration 10 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:59:18,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:59:18,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1743557738, now seen corresponding path program 1 times [2020-07-17 14:59:18,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:59:18,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1211101812] [2020-07-17 14:59:18,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:59:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:19,224 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 14:59:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:19,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:59:19,591 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:59:19,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1211101812] [2020-07-17 14:59:19,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:59:19,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-17 14:59:19,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032573697] [2020-07-17 14:59:19,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-17 14:59:19,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:59:19,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-17 14:59:19,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-07-17 14:59:19,593 INFO L87 Difference]: Start difference. First operand 1954 states and 2290 transitions. Second operand 13 states. [2020-07-17 14:59:22,080 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-17 14:59:22,213 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-17 14:59:23,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:59:23,353 INFO L93 Difference]: Finished difference Result 3498 states and 4152 transitions. [2020-07-17 14:59:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-17 14:59:23,354 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 346 [2020-07-17 14:59:23,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:59:23,363 INFO L225 Difference]: With dead ends: 3498 [2020-07-17 14:59:23,363 INFO L226 Difference]: Without dead ends: 1978 [2020-07-17 14:59:23,368 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=291, Invalid=639, Unknown=0, NotChecked=0, Total=930 [2020-07-17 14:59:23,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2020-07-17 14:59:23,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2020-07-17 14:59:23,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1978 states. [2020-07-17 14:59:23,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2310 transitions. [2020-07-17 14:59:23,842 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2310 transitions. Word has length 346 [2020-07-17 14:59:23,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:59:23,843 INFO L479 AbstractCegarLoop]: Abstraction has 1978 states and 2310 transitions. [2020-07-17 14:59:23,843 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-17 14:59:23,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2310 transitions. [2020-07-17 14:59:23,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2020-07-17 14:59:23,846 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:59:23,847 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 14:59:23,847 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-17 14:59:23,847 INFO L427 AbstractCegarLoop]: === Iteration 11 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:59:23,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:59:23,848 INFO L82 PathProgramCache]: Analyzing trace with hash 905020997, now seen corresponding path program 1 times [2020-07-17 14:59:23,848 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:59:23,848 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1027601320] [2020-07-17 14:59:23,848 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:59:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:24,099 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 14:59:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:24,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:24,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:59:24,506 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:59:24,506 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1027601320] [2020-07-17 14:59:24,507 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:59:24,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-17 14:59:24,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249071552] [2020-07-17 14:59:24,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-17 14:59:24,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:59:24,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-17 14:59:24,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-07-17 14:59:24,512 INFO L87 Difference]: Start difference. First operand 1978 states and 2310 transitions. Second operand 13 states. [2020-07-17 14:59:27,225 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-17 14:59:27,354 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-17 14:59:28,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:59:28,432 INFO L93 Difference]: Finished difference Result 3550 states and 4192 transitions. [2020-07-17 14:59:28,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-17 14:59:28,433 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 347 [2020-07-17 14:59:28,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:59:28,447 INFO L225 Difference]: With dead ends: 3550 [2020-07-17 14:59:28,447 INFO L226 Difference]: Without dead ends: 2006 [2020-07-17 14:59:28,456 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 33 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=291, Invalid=639, Unknown=0, NotChecked=0, Total=930 [2020-07-17 14:59:28,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2006 states. [2020-07-17 14:59:29,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2006 to 2006. [2020-07-17 14:59:29,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2006 states. [2020-07-17 14:59:29,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 2006 states and 2334 transitions. [2020-07-17 14:59:29,160 INFO L78 Accepts]: Start accepts. Automaton has 2006 states and 2334 transitions. Word has length 347 [2020-07-17 14:59:29,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:59:29,161 INFO L479 AbstractCegarLoop]: Abstraction has 2006 states and 2334 transitions. [2020-07-17 14:59:29,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-17 14:59:29,161 INFO L276 IsEmpty]: Start isEmpty. Operand 2006 states and 2334 transitions. [2020-07-17 14:59:29,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2020-07-17 14:59:29,168 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:59:29,169 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 14:59:29,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-17 14:59:29,170 INFO L427 AbstractCegarLoop]: === Iteration 12 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:59:29,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:59:29,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1714698589, now seen corresponding path program 1 times [2020-07-17 14:59:29,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:59:29,171 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [28700187] [2020-07-17 14:59:29,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:59:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:29,411 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 14:59:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:29,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:29,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:59:30,058 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:59:30,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [28700187] [2020-07-17 14:59:30,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:59:30,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-07-17 14:59:30,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497577989] [2020-07-17 14:59:30,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-17 14:59:30,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:59:30,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-17 14:59:30,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2020-07-17 14:59:30,061 INFO L87 Difference]: Start difference. First operand 2006 states and 2334 transitions. Second operand 24 states. [2020-07-17 14:59:30,717 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 14:59:34,257 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2020-07-17 14:59:35,133 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 14:59:35,281 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-07-17 14:59:35,426 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 14:59:35,564 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-17 14:59:35,815 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 14:59:36,008 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 14:59:36,299 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-07-17 14:59:36,539 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-07-17 14:59:36,868 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-07-17 14:59:37,096 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-07-17 14:59:37,276 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 14:59:37,467 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-07-17 14:59:38,736 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-07-17 14:59:38,904 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-07-17 14:59:39,069 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-07-17 14:59:39,228 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 14:59:39,491 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-07-17 14:59:39,693 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-07-17 14:59:39,980 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-07-17 14:59:40,237 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-07-17 14:59:40,564 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-07-17 14:59:40,813 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-07-17 14:59:40,999 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-07-17 14:59:41,201 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-07-17 14:59:51,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 14:59:51,130 INFO L93 Difference]: Finished difference Result 4854 states and 5974 transitions. [2020-07-17 14:59:51,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-07-17 14:59:51,131 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 364 [2020-07-17 14:59:51,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 14:59:51,148 INFO L225 Difference]: With dead ends: 4854 [2020-07-17 14:59:51,148 INFO L226 Difference]: Without dead ends: 3282 [2020-07-17 14:59:51,154 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 57 SyntacticMatches, 3 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1050 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=1276, Invalid=3980, Unknown=0, NotChecked=0, Total=5256 [2020-07-17 14:59:51,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3282 states. [2020-07-17 14:59:51,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3282 to 2034. [2020-07-17 14:59:51,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2034 states. [2020-07-17 14:59:51,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2034 states to 2034 states and 2356 transitions. [2020-07-17 14:59:51,700 INFO L78 Accepts]: Start accepts. Automaton has 2034 states and 2356 transitions. Word has length 364 [2020-07-17 14:59:51,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 14:59:51,701 INFO L479 AbstractCegarLoop]: Abstraction has 2034 states and 2356 transitions. [2020-07-17 14:59:51,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-17 14:59:51,701 INFO L276 IsEmpty]: Start isEmpty. Operand 2034 states and 2356 transitions. [2020-07-17 14:59:51,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2020-07-17 14:59:51,705 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 14:59:51,705 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 14:59:51,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-17 14:59:51,706 INFO L427 AbstractCegarLoop]: === Iteration 13 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 14:59:51,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 14:59:51,706 INFO L82 PathProgramCache]: Analyzing trace with hash -678392899, now seen corresponding path program 1 times [2020-07-17 14:59:51,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 14:59:51,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1243989289] [2020-07-17 14:59:51,707 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 14:59:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:51,913 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 14:59:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 14:59:52,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 14:59:52,323 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 14:59:52,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1243989289] [2020-07-17 14:59:52,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 14:59:52,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-07-17 14:59:52,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138306645] [2020-07-17 14:59:52,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-17 14:59:52,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 14:59:52,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-17 14:59:52,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-07-17 14:59:52,326 INFO L87 Difference]: Start difference. First operand 2034 states and 2356 transitions. Second operand 18 states. [2020-07-17 14:59:52,600 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-07-17 14:59:53,056 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-17 14:59:55,425 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-17 14:59:55,797 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-17 14:59:57,535 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 14:59:57,725 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 14:59:57,933 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 14:59:58,125 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:00:01,068 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-17 15:00:01,455 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:00:01,614 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:00:03,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 15:00:03,342 INFO L93 Difference]: Finished difference Result 5250 states and 6166 transitions. [2020-07-17 15:00:03,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-07-17 15:00:03,343 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 357 [2020-07-17 15:00:03,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 15:00:03,359 INFO L225 Difference]: With dead ends: 5250 [2020-07-17 15:00:03,360 INFO L226 Difference]: Without dead ends: 3658 [2020-07-17 15:00:03,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 667 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=793, Invalid=2513, Unknown=0, NotChecked=0, Total=3306 [2020-07-17 15:00:03,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3658 states. [2020-07-17 15:00:04,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3658 to 3592. [2020-07-17 15:00:04,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3592 states. [2020-07-17 15:00:04,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3592 states to 3592 states and 4210 transitions. [2020-07-17 15:00:04,368 INFO L78 Accepts]: Start accepts. Automaton has 3592 states and 4210 transitions. Word has length 357 [2020-07-17 15:00:04,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 15:00:04,369 INFO L479 AbstractCegarLoop]: Abstraction has 3592 states and 4210 transitions. [2020-07-17 15:00:04,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-17 15:00:04,369 INFO L276 IsEmpty]: Start isEmpty. Operand 3592 states and 4210 transitions. [2020-07-17 15:00:04,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-07-17 15:00:04,374 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 15:00:04,375 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 15:00:04,375 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-17 15:00:04,375 INFO L427 AbstractCegarLoop]: === Iteration 14 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 15:00:04,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 15:00:04,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1692771760, now seen corresponding path program 1 times [2020-07-17 15:00:04,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 15:00:04,376 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [646464121] [2020-07-17 15:00:04,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 15:00:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:04,583 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 15:00:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:04,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:04,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:04,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 15:00:06,456 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 15:00:06,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [646464121] [2020-07-17 15:00:06,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 15:00:06,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [49] imperfect sequences [] total 49 [2020-07-17 15:00:06,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675062723] [2020-07-17 15:00:06,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 49 states [2020-07-17 15:00:06,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 15:00:06,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2020-07-17 15:00:06,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=2130, Unknown=0, NotChecked=0, Total=2352 [2020-07-17 15:00:06,461 INFO L87 Difference]: Start difference. First operand 3592 states and 4210 transitions. Second operand 49 states. [2020-07-17 15:00:07,196 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:00:08,227 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:00:11,631 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-07-17 15:00:13,261 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-07-17 15:00:13,428 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-07-17 15:00:13,599 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-07-17 15:00:13,787 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-07-17 15:00:14,092 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-07-17 15:00:14,322 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-07-17 15:00:14,722 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-07-17 15:00:14,993 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-07-17 15:00:15,366 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-07-17 15:00:15,587 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-07-17 15:00:15,836 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-07-17 15:00:16,756 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-07-17 15:00:18,408 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-07-17 15:00:18,569 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-07-17 15:00:18,738 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-07-17 15:00:19,281 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-07-17 15:00:19,468 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-07-17 15:00:20,432 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-07-17 15:00:20,628 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-07-17 15:00:21,664 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-07-17 15:00:21,884 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-07-17 15:00:22,104 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-07-17 15:00:22,853 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-07-17 15:00:26,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 15:00:26,080 INFO L93 Difference]: Finished difference Result 8794 states and 10759 transitions. [2020-07-17 15:00:26,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-07-17 15:00:26,081 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 358 [2020-07-17 15:00:26,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 15:00:26,110 INFO L225 Difference]: With dead ends: 8794 [2020-07-17 15:00:26,110 INFO L226 Difference]: Without dead ends: 5644 [2020-07-17 15:00:26,121 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 77 SyntacticMatches, 1 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3551 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=1709, Invalid=9421, Unknown=0, NotChecked=0, Total=11130 [2020-07-17 15:00:26,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5644 states. [2020-07-17 15:00:27,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5644 to 3600. [2020-07-17 15:00:27,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3600 states. [2020-07-17 15:00:27,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3600 states to 3600 states and 4202 transitions. [2020-07-17 15:00:27,108 INFO L78 Accepts]: Start accepts. Automaton has 3600 states and 4202 transitions. Word has length 358 [2020-07-17 15:00:27,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 15:00:27,109 INFO L479 AbstractCegarLoop]: Abstraction has 3600 states and 4202 transitions. [2020-07-17 15:00:27,109 INFO L480 AbstractCegarLoop]: Interpolant automaton has 49 states. [2020-07-17 15:00:27,109 INFO L276 IsEmpty]: Start isEmpty. Operand 3600 states and 4202 transitions. [2020-07-17 15:00:27,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-07-17 15:00:27,112 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 15:00:27,112 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 15:00:27,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-17 15:00:27,113 INFO L427 AbstractCegarLoop]: === Iteration 15 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 15:00:27,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 15:00:27,113 INFO L82 PathProgramCache]: Analyzing trace with hash -46664229, now seen corresponding path program 1 times [2020-07-17 15:00:27,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 15:00:27,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [732188166] [2020-07-17 15:00:27,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 15:00:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:27,368 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 15:00:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:27,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 15:00:28,169 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 15:00:28,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [732188166] [2020-07-17 15:00:28,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 15:00:28,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-07-17 15:00:28,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468790930] [2020-07-17 15:00:28,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-17 15:00:28,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 15:00:28,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-17 15:00:28,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2020-07-17 15:00:28,174 INFO L87 Difference]: Start difference. First operand 3600 states and 4202 transitions. Second operand 25 states. [2020-07-17 15:00:29,010 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 15:00:29,534 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:00:30,345 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2020-07-17 15:00:30,878 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:00:32,942 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:00:33,136 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:00:33,309 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-07-17 15:00:33,477 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:00:36,565 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-17 15:00:36,734 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-17 15:00:36,882 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:00:37,030 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-17 15:00:37,211 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-07-17 15:00:37,398 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:00:37,855 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-07-17 15:00:38,645 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-07-17 15:00:38,922 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-07-17 15:00:39,269 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-07-17 15:00:42,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 15:00:42,922 INFO L93 Difference]: Finished difference Result 9011 states and 10547 transitions. [2020-07-17 15:00:42,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-07-17 15:00:42,923 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 358 [2020-07-17 15:00:42,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 15:00:42,951 INFO L225 Difference]: With dead ends: 9011 [2020-07-17 15:00:42,952 INFO L226 Difference]: Without dead ends: 5800 [2020-07-17 15:00:42,959 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1749 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=1131, Invalid=5031, Unknown=0, NotChecked=0, Total=6162 [2020-07-17 15:00:42,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5800 states. [2020-07-17 15:00:44,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5800 to 5318. [2020-07-17 15:00:44,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5318 states. [2020-07-17 15:00:44,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5318 states to 5318 states and 6184 transitions. [2020-07-17 15:00:44,560 INFO L78 Accepts]: Start accepts. Automaton has 5318 states and 6184 transitions. Word has length 358 [2020-07-17 15:00:44,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 15:00:44,561 INFO L479 AbstractCegarLoop]: Abstraction has 5318 states and 6184 transitions. [2020-07-17 15:00:44,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-17 15:00:44,561 INFO L276 IsEmpty]: Start isEmpty. Operand 5318 states and 6184 transitions. [2020-07-17 15:00:44,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2020-07-17 15:00:44,564 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 15:00:44,564 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 15:00:44,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-17 15:00:44,565 INFO L427 AbstractCegarLoop]: === Iteration 16 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 15:00:44,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 15:00:44,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1915291650, now seen corresponding path program 1 times [2020-07-17 15:00:44,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 15:00:44,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1969087222] [2020-07-17 15:00:44,566 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 15:00:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:44,826 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 15:00:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:45,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 15:00:45,273 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 15:00:45,273 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1969087222] [2020-07-17 15:00:45,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 15:00:45,273 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-07-17 15:00:45,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593242220] [2020-07-17 15:00:45,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-17 15:00:45,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 15:00:45,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-17 15:00:45,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-07-17 15:00:45,274 INFO L87 Difference]: Start difference. First operand 5318 states and 6184 transitions. Second operand 18 states. [2020-07-17 15:00:46,312 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:00:46,475 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:00:49,021 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2020-07-17 15:00:49,371 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:00:50,118 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:00:50,290 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 15:00:50,464 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-07-17 15:00:50,613 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 15:00:53,163 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-17 15:00:53,634 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-17 15:00:57,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 15:00:57,124 INFO L93 Difference]: Finished difference Result 10542 states and 12310 transitions. [2020-07-17 15:00:57,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-07-17 15:00:57,125 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 359 [2020-07-17 15:00:57,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 15:00:57,146 INFO L225 Difference]: With dead ends: 10542 [2020-07-17 15:00:57,146 INFO L226 Difference]: Without dead ends: 6216 [2020-07-17 15:00:57,156 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 855 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=904, Invalid=2756, Unknown=0, NotChecked=0, Total=3660 [2020-07-17 15:00:57,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6216 states. [2020-07-17 15:00:58,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6216 to 5594. [2020-07-17 15:00:58,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5594 states. [2020-07-17 15:00:59,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5594 states to 5594 states and 6496 transitions. [2020-07-17 15:00:59,005 INFO L78 Accepts]: Start accepts. Automaton has 5594 states and 6496 transitions. Word has length 359 [2020-07-17 15:00:59,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 15:00:59,006 INFO L479 AbstractCegarLoop]: Abstraction has 5594 states and 6496 transitions. [2020-07-17 15:00:59,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-17 15:00:59,006 INFO L276 IsEmpty]: Start isEmpty. Operand 5594 states and 6496 transitions. [2020-07-17 15:00:59,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-07-17 15:00:59,008 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 15:00:59,009 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 15:00:59,009 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-17 15:00:59,009 INFO L427 AbstractCegarLoop]: === Iteration 17 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 15:00:59,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 15:00:59,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1970350827, now seen corresponding path program 1 times [2020-07-17 15:00:59,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 15:00:59,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1622528007] [2020-07-17 15:00:59,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 15:00:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:59,289 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 15:00:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:00:59,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 15:00:59,720 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 15:00:59,720 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1622528007] [2020-07-17 15:00:59,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 15:00:59,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-17 15:00:59,720 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271066868] [2020-07-17 15:00:59,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-17 15:00:59,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 15:00:59,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-17 15:00:59,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2020-07-17 15:00:59,721 INFO L87 Difference]: Start difference. First operand 5594 states and 6496 transitions. Second operand 19 states. [2020-07-17 15:01:00,643 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:01:04,295 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-17 15:01:04,576 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:01:04,771 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-07-17 15:01:07,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 15:01:07,833 INFO L93 Difference]: Finished difference Result 6028 states and 7017 transitions. [2020-07-17 15:01:07,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-07-17 15:01:07,834 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 360 [2020-07-17 15:01:07,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 15:01:07,863 INFO L225 Difference]: With dead ends: 6028 [2020-07-17 15:01:07,863 INFO L226 Difference]: Without dead ends: 6026 [2020-07-17 15:01:07,868 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=367, Invalid=1273, Unknown=0, NotChecked=0, Total=1640 [2020-07-17 15:01:07,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6026 states. [2020-07-17 15:01:09,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6026 to 5642. [2020-07-17 15:01:09,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5642 states. [2020-07-17 15:01:09,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5642 states to 5642 states and 6544 transitions. [2020-07-17 15:01:09,857 INFO L78 Accepts]: Start accepts. Automaton has 5642 states and 6544 transitions. Word has length 360 [2020-07-17 15:01:09,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 15:01:09,858 INFO L479 AbstractCegarLoop]: Abstraction has 5642 states and 6544 transitions. [2020-07-17 15:01:09,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-17 15:01:09,858 INFO L276 IsEmpty]: Start isEmpty. Operand 5642 states and 6544 transitions. [2020-07-17 15:01:09,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2020-07-17 15:01:09,861 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 15:01:09,861 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 15:01:09,861 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-07-17 15:01:09,862 INFO L427 AbstractCegarLoop]: === Iteration 18 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 15:01:09,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 15:01:09,862 INFO L82 PathProgramCache]: Analyzing trace with hash 485895716, now seen corresponding path program 1 times [2020-07-17 15:01:09,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 15:01:09,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1025465703] [2020-07-17 15:01:09,863 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 15:01:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:10,087 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 15:01:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:10,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 15:01:10,564 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 15:01:10,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1025465703] [2020-07-17 15:01:10,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 15:01:10,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-07-17 15:01:10,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874263688] [2020-07-17 15:01:10,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-17 15:01:10,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 15:01:10,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-17 15:01:10,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2020-07-17 15:01:10,566 INFO L87 Difference]: Start difference. First operand 5642 states and 6544 transitions. Second operand 22 states. [2020-07-17 15:01:11,232 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-17 15:01:11,699 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-17 15:01:11,934 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:01:14,514 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-17 15:01:15,748 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:01:19,615 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:01:20,058 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-17 15:01:20,496 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:01:20,668 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:01:21,781 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-17 15:01:22,757 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:01:22,981 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:01:23,277 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-07-17 15:01:23,538 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:01:25,570 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-17 15:01:27,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 15:01:27,029 INFO L93 Difference]: Finished difference Result 10170 states and 11838 transitions. [2020-07-17 15:01:27,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-07-17 15:01:27,030 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 367 [2020-07-17 15:01:27,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 15:01:27,048 INFO L225 Difference]: With dead ends: 10170 [2020-07-17 15:01:27,048 INFO L226 Difference]: Without dead ends: 5636 [2020-07-17 15:01:27,060 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1526 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=1186, Invalid=4820, Unknown=0, NotChecked=0, Total=6006 [2020-07-17 15:01:27,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5636 states. [2020-07-17 15:01:28,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5636 to 5494. [2020-07-17 15:01:28,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5494 states. [2020-07-17 15:01:28,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5494 states to 5494 states and 6332 transitions. [2020-07-17 15:01:28,801 INFO L78 Accepts]: Start accepts. Automaton has 5494 states and 6332 transitions. Word has length 367 [2020-07-17 15:01:28,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 15:01:28,802 INFO L479 AbstractCegarLoop]: Abstraction has 5494 states and 6332 transitions. [2020-07-17 15:01:28,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-17 15:01:28,802 INFO L276 IsEmpty]: Start isEmpty. Operand 5494 states and 6332 transitions. [2020-07-17 15:01:28,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-07-17 15:01:28,806 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 15:01:28,806 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 15:01:28,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-07-17 15:01:28,807 INFO L427 AbstractCegarLoop]: === Iteration 19 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 15:01:28,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 15:01:28,807 INFO L82 PathProgramCache]: Analyzing trace with hash -332669318, now seen corresponding path program 1 times [2020-07-17 15:01:28,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 15:01:28,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1557880098] [2020-07-17 15:01:28,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 15:01:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:29,015 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 15:01:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:29,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 15:01:30,078 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 15:01:30,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1557880098] [2020-07-17 15:01:30,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 15:01:30,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-07-17 15:01:30,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077131638] [2020-07-17 15:01:30,080 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-17 15:01:30,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 15:01:30,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-17 15:01:30,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2020-07-17 15:01:30,080 INFO L87 Difference]: Start difference. First operand 5494 states and 6332 transitions. Second operand 25 states. [2020-07-17 15:01:30,793 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 15:01:30,987 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-07-17 15:01:32,331 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-07-17 15:01:33,253 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-07-17 15:01:33,608 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-07-17 15:01:38,488 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-07-17 15:01:38,751 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-07-17 15:01:38,944 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-07-17 15:01:39,164 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-07-17 15:01:39,466 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-07-17 15:01:39,698 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-07-17 15:01:39,900 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-07-17 15:01:40,123 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-07-17 15:01:41,333 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-07-17 15:01:41,579 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-07-17 15:01:42,213 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2020-07-17 15:01:43,233 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-07-17 15:01:43,411 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-07-17 15:01:51,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 15:01:51,315 INFO L93 Difference]: Finished difference Result 11375 states and 13466 transitions. [2020-07-17 15:01:51,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-07-17 15:01:51,316 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 368 [2020-07-17 15:01:51,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 15:01:51,339 INFO L225 Difference]: With dead ends: 11375 [2020-07-17 15:01:51,340 INFO L226 Difference]: Without dead ends: 6804 [2020-07-17 15:01:51,352 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1620 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=1085, Invalid=5235, Unknown=0, NotChecked=0, Total=6320 [2020-07-17 15:01:51,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6804 states. [2020-07-17 15:01:53,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6804 to 5302. [2020-07-17 15:01:53,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5302 states. [2020-07-17 15:01:53,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5302 states to 5302 states and 6072 transitions. [2020-07-17 15:01:53,577 INFO L78 Accepts]: Start accepts. Automaton has 5302 states and 6072 transitions. Word has length 368 [2020-07-17 15:01:53,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 15:01:53,577 INFO L479 AbstractCegarLoop]: Abstraction has 5302 states and 6072 transitions. [2020-07-17 15:01:53,577 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-17 15:01:53,577 INFO L276 IsEmpty]: Start isEmpty. Operand 5302 states and 6072 transitions. [2020-07-17 15:01:53,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-07-17 15:01:53,580 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 15:01:53,580 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 15:01:53,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-07-17 15:01:53,580 INFO L427 AbstractCegarLoop]: === Iteration 20 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 15:01:53,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 15:01:53,581 INFO L82 PathProgramCache]: Analyzing trace with hash 581118045, now seen corresponding path program 1 times [2020-07-17 15:01:53,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 15:01:53,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1772720816] [2020-07-17 15:01:53,581 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 15:01:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:53,803 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 15:01:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:01:54,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 15:01:54,530 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 15:01:54,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1772720816] [2020-07-17 15:01:54,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 15:01:54,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-07-17 15:01:54,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350490273] [2020-07-17 15:01:54,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-17 15:01:54,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 15:01:54,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-17 15:01:54,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2020-07-17 15:01:54,531 INFO L87 Difference]: Start difference. First operand 5302 states and 6072 transitions. Second operand 25 states. [2020-07-17 15:01:55,335 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 15:01:55,920 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:01:57,681 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2020-07-17 15:01:58,270 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:02:00,083 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:02:00,290 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:02:00,476 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-07-17 15:02:00,661 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:02:03,416 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-17 15:02:03,817 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-17 15:02:03,990 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:02:04,174 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-17 15:02:04,373 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-07-17 15:02:04,581 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:02:05,825 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-07-17 15:02:06,102 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-07-17 15:02:06,422 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-07-17 15:02:12,292 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-07-17 15:02:13,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 15:02:13,670 INFO L93 Difference]: Finished difference Result 13439 states and 15535 transitions. [2020-07-17 15:02:13,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-07-17 15:02:13,671 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 368 [2020-07-17 15:02:13,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 15:02:13,690 INFO L225 Difference]: With dead ends: 13439 [2020-07-17 15:02:13,690 INFO L226 Difference]: Without dead ends: 9212 [2020-07-17 15:02:13,698 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2004 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=1225, Invalid=5581, Unknown=0, NotChecked=0, Total=6806 [2020-07-17 15:02:13,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9212 states. [2020-07-17 15:02:16,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9212 to 6795. [2020-07-17 15:02:16,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6795 states. [2020-07-17 15:02:16,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6795 states to 6795 states and 7853 transitions. [2020-07-17 15:02:16,248 INFO L78 Accepts]: Start accepts. Automaton has 6795 states and 7853 transitions. Word has length 368 [2020-07-17 15:02:16,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 15:02:16,249 INFO L479 AbstractCegarLoop]: Abstraction has 6795 states and 7853 transitions. [2020-07-17 15:02:16,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-17 15:02:16,249 INFO L276 IsEmpty]: Start isEmpty. Operand 6795 states and 7853 transitions. [2020-07-17 15:02:16,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2020-07-17 15:02:16,255 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 15:02:16,256 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 15:02:16,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-07-17 15:02:16,256 INFO L427 AbstractCegarLoop]: === Iteration 21 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 15:02:16,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 15:02:16,256 INFO L82 PathProgramCache]: Analyzing trace with hash 758918610, now seen corresponding path program 1 times [2020-07-17 15:02:16,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 15:02:16,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2106108664] [2020-07-17 15:02:16,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 15:02:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:16,697 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 15:02:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:17,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:17,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 15:02:17,403 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 15:02:17,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2106108664] [2020-07-17 15:02:17,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 15:02:17,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-07-17 15:02:17,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409992590] [2020-07-17 15:02:17,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-17 15:02:17,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 15:02:17,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-17 15:02:17,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2020-07-17 15:02:17,404 INFO L87 Difference]: Start difference. First operand 6795 states and 7853 transitions. Second operand 23 states. [2020-07-17 15:02:18,333 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:02:18,508 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:02:18,685 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-07-17 15:02:21,108 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-07-17 15:02:21,297 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 96 [2020-07-17 15:02:21,653 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:02:22,490 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-07-17 15:02:22,711 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-07-17 15:02:22,897 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-07-17 15:02:23,057 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2020-07-17 15:02:25,013 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2020-07-17 15:02:25,234 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-07-17 15:02:25,557 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:02:26,367 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:02:26,600 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 15:02:26,822 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-07-17 15:02:27,017 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 15:02:30,777 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-17 15:02:31,108 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-17 15:02:35,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 15:02:35,537 INFO L93 Difference]: Finished difference Result 16354 states and 18850 transitions. [2020-07-17 15:02:35,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-07-17 15:02:35,538 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 584 [2020-07-17 15:02:35,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 15:02:35,566 INFO L225 Difference]: With dead ends: 16354 [2020-07-17 15:02:35,566 INFO L226 Difference]: Without dead ends: 10456 [2020-07-17 15:02:35,581 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1869 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=1554, Invalid=5418, Unknown=0, NotChecked=0, Total=6972 [2020-07-17 15:02:35,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10456 states. [2020-07-17 15:02:39,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10456 to 8828. [2020-07-17 15:02:39,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8828 states. [2020-07-17 15:02:39,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8828 states to 8828 states and 10065 transitions. [2020-07-17 15:02:39,073 INFO L78 Accepts]: Start accepts. Automaton has 8828 states and 10065 transitions. Word has length 584 [2020-07-17 15:02:39,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 15:02:39,074 INFO L479 AbstractCegarLoop]: Abstraction has 8828 states and 10065 transitions. [2020-07-17 15:02:39,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-17 15:02:39,074 INFO L276 IsEmpty]: Start isEmpty. Operand 8828 states and 10065 transitions. [2020-07-17 15:02:39,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2020-07-17 15:02:39,084 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 15:02:39,085 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 15:02:39,085 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-07-17 15:02:39,085 INFO L427 AbstractCegarLoop]: === Iteration 22 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 15:02:39,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 15:02:39,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1039313503, now seen corresponding path program 1 times [2020-07-17 15:02:39,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 15:02:39,086 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1163184093] [2020-07-17 15:02:39,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 15:02:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,567 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 15:02:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:40,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 15:02:40,115 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 15:02:40,115 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1163184093] [2020-07-17 15:02:40,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 15:02:40,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-17 15:02:40,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847548822] [2020-07-17 15:02:40,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-17 15:02:40,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 15:02:40,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-17 15:02:40,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-07-17 15:02:40,117 INFO L87 Difference]: Start difference. First operand 8828 states and 10065 transitions. Second operand 13 states. [2020-07-17 15:02:45,164 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-17 15:02:45,321 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-17 15:02:47,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 15:02:47,382 INFO L93 Difference]: Finished difference Result 14598 states and 16878 transitions. [2020-07-17 15:02:47,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-17 15:02:47,384 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 810 [2020-07-17 15:02:47,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 15:02:47,408 INFO L225 Difference]: With dead ends: 14598 [2020-07-17 15:02:47,408 INFO L226 Difference]: Without dead ends: 8700 [2020-07-17 15:02:47,421 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 99 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=291, Invalid=639, Unknown=0, NotChecked=0, Total=930 [2020-07-17 15:02:47,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8700 states. [2020-07-17 15:02:51,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8700 to 8700. [2020-07-17 15:02:51,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8700 states. [2020-07-17 15:02:51,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8700 states to 8700 states and 9809 transitions. [2020-07-17 15:02:51,142 INFO L78 Accepts]: Start accepts. Automaton has 8700 states and 9809 transitions. Word has length 810 [2020-07-17 15:02:51,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 15:02:51,143 INFO L479 AbstractCegarLoop]: Abstraction has 8700 states and 9809 transitions. [2020-07-17 15:02:51,143 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-17 15:02:51,143 INFO L276 IsEmpty]: Start isEmpty. Operand 8700 states and 9809 transitions. [2020-07-17 15:02:51,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 823 [2020-07-17 15:02:51,154 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 15:02:51,155 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 15:02:51,155 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-07-17 15:02:51,155 INFO L427 AbstractCegarLoop]: === Iteration 23 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 15:02:51,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 15:02:51,156 INFO L82 PathProgramCache]: Analyzing trace with hash -793037958, now seen corresponding path program 1 times [2020-07-17 15:02:51,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 15:02:51,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [356945589] [2020-07-17 15:02:51,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 15:02:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,465 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 15:02:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:02:52,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 15:02:52,375 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 15:02:52,376 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [356945589] [2020-07-17 15:02:52,376 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 15:02:52,376 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2020-07-17 15:02:52,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009478726] [2020-07-17 15:02:52,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-07-17 15:02:52,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 15:02:52,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-07-17 15:02:52,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2020-07-17 15:02:52,378 INFO L87 Difference]: Start difference. First operand 8700 states and 9809 transitions. Second operand 21 states. [2020-07-17 15:02:56,910 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-17 15:02:57,082 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-17 15:02:57,281 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-07-17 15:02:57,464 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-07-17 15:02:57,655 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-07-17 15:02:57,817 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-17 15:02:59,285 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-07-17 15:02:59,719 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-17 15:03:03,012 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:03:03,198 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:03:03,414 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-07-17 15:03:03,611 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-07-17 15:03:03,813 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2020-07-17 15:03:03,980 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-17 15:03:10,465 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 15:03:10,773 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-07-17 15:03:11,084 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-07-17 15:03:11,346 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-07-17 15:03:11,897 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-17 15:03:12,069 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-17 15:03:12,448 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-07-17 15:03:12,804 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-07-17 15:03:13,082 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-07-17 15:03:13,344 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2020-07-17 15:03:13,918 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-17 15:03:14,856 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-07-17 15:03:18,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 15:03:18,954 INFO L93 Difference]: Finished difference Result 27720 states and 31253 transitions. [2020-07-17 15:03:18,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-07-17 15:03:18,955 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 822 [2020-07-17 15:03:18,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 15:03:18,993 INFO L225 Difference]: With dead ends: 27720 [2020-07-17 15:03:18,993 INFO L226 Difference]: Without dead ends: 21950 [2020-07-17 15:03:19,005 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 125 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 881 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=1321, Invalid=3791, Unknown=0, NotChecked=0, Total=5112 [2020-07-17 15:03:19,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21950 states. [2020-07-17 15:03:27,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21950 to 17301. [2020-07-17 15:03:27,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17301 states. [2020-07-17 15:03:27,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17301 states to 17301 states and 19523 transitions. [2020-07-17 15:03:27,175 INFO L78 Accepts]: Start accepts. Automaton has 17301 states and 19523 transitions. Word has length 822 [2020-07-17 15:03:27,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 15:03:27,176 INFO L479 AbstractCegarLoop]: Abstraction has 17301 states and 19523 transitions. [2020-07-17 15:03:27,176 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-07-17 15:03:27,176 INFO L276 IsEmpty]: Start isEmpty. Operand 17301 states and 19523 transitions. [2020-07-17 15:03:27,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 830 [2020-07-17 15:03:27,194 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 15:03:27,195 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 15:03:27,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-07-17 15:03:27,195 INFO L427 AbstractCegarLoop]: === Iteration 24 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 15:03:27,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 15:03:27,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1545049433, now seen corresponding path program 1 times [2020-07-17 15:03:27,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 15:03:27,196 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [945503608] [2020-07-17 15:03:27,196 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 15:03:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,579 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 15:03:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:28,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 15:03:28,206 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 15:03:28,206 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [945503608] [2020-07-17 15:03:28,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 15:03:28,207 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-17 15:03:28,207 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649326237] [2020-07-17 15:03:28,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-17 15:03:28,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 15:03:28,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-17 15:03:28,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-07-17 15:03:28,208 INFO L87 Difference]: Start difference. First operand 17301 states and 19523 transitions. Second operand 13 states. [2020-07-17 15:03:36,343 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-17 15:03:36,560 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-17 15:03:42,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 15:03:42,144 INFO L93 Difference]: Finished difference Result 30615 states and 34860 transitions. [2020-07-17 15:03:42,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-17 15:03:42,145 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 829 [2020-07-17 15:03:42,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 15:03:42,176 INFO L225 Difference]: With dead ends: 30615 [2020-07-17 15:03:42,176 INFO L226 Difference]: Without dead ends: 17133 [2020-07-17 15:03:42,192 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 103 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=291, Invalid=639, Unknown=0, NotChecked=0, Total=930 [2020-07-17 15:03:42,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17133 states. [2020-07-17 15:03:49,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17133 to 17133. [2020-07-17 15:03:49,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17133 states. [2020-07-17 15:03:49,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17133 states to 17133 states and 19123 transitions. [2020-07-17 15:03:49,996 INFO L78 Accepts]: Start accepts. Automaton has 17133 states and 19123 transitions. Word has length 829 [2020-07-17 15:03:49,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 15:03:49,997 INFO L479 AbstractCegarLoop]: Abstraction has 17133 states and 19123 transitions. [2020-07-17 15:03:49,998 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-17 15:03:49,998 INFO L276 IsEmpty]: Start isEmpty. Operand 17133 states and 19123 transitions. [2020-07-17 15:03:50,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 853 [2020-07-17 15:03:50,019 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 15:03:50,019 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 15:03:50,019 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-07-17 15:03:50,019 INFO L427 AbstractCegarLoop]: === Iteration 25 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 15:03:50,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 15:03:50,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1448911354, now seen corresponding path program 1 times [2020-07-17 15:03:50,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 15:03:50,020 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1059789541] [2020-07-17 15:03:50,020 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 15:03:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,317 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 15:03:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:03:50,884 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-17 15:03:50,885 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 15:03:50,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1059789541] [2020-07-17 15:03:50,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 15:03:50,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-17 15:03:50,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623676583] [2020-07-17 15:03:50,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-17 15:03:50,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 15:03:50,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-17 15:03:50,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-07-17 15:03:50,887 INFO L87 Difference]: Start difference. First operand 17133 states and 19123 transitions. Second operand 13 states. [2020-07-17 15:04:01,532 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-17 15:04:01,699 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-17 15:04:03,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 15:04:03,906 INFO L93 Difference]: Finished difference Result 30191 states and 33948 transitions. [2020-07-17 15:04:03,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-17 15:04:03,907 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 852 [2020-07-17 15:04:03,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 15:04:03,938 INFO L225 Difference]: With dead ends: 30191 [2020-07-17 15:04:03,938 INFO L226 Difference]: Without dead ends: 16877 [2020-07-17 15:04:03,956 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 107 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=291, Invalid=639, Unknown=0, NotChecked=0, Total=930 [2020-07-17 15:04:03,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16877 states. [2020-07-17 15:04:11,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16877 to 16565. [2020-07-17 15:04:11,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16565 states. [2020-07-17 15:04:11,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16565 states to 16565 states and 18247 transitions. [2020-07-17 15:04:11,309 INFO L78 Accepts]: Start accepts. Automaton has 16565 states and 18247 transitions. Word has length 852 [2020-07-17 15:04:11,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 15:04:11,310 INFO L479 AbstractCegarLoop]: Abstraction has 16565 states and 18247 transitions. [2020-07-17 15:04:11,310 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-17 15:04:11,310 INFO L276 IsEmpty]: Start isEmpty. Operand 16565 states and 18247 transitions. [2020-07-17 15:04:11,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 873 [2020-07-17 15:04:11,338 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 15:04:11,339 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 15:04:11,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-07-17 15:04:11,339 INFO L427 AbstractCegarLoop]: === Iteration 26 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 15:04:11,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 15:04:11,339 INFO L82 PathProgramCache]: Analyzing trace with hash 119493738, now seen corresponding path program 1 times [2020-07-17 15:04:11,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 15:04:11,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1764541384] [2020-07-17 15:04:11,340 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 15:04:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,677 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 15:04:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:12,348 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-17 15:04:12,350 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 15:04:12,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1764541384] [2020-07-17 15:04:12,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 15:04:12,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-17 15:04:12,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557868281] [2020-07-17 15:04:12,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-17 15:04:12,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 15:04:12,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-17 15:04:12,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-07-17 15:04:12,352 INFO L87 Difference]: Start difference. First operand 16565 states and 18247 transitions. Second operand 13 states. [2020-07-17 15:04:22,783 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-17 15:04:22,940 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-17 15:04:24,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 15:04:24,429 INFO L93 Difference]: Finished difference Result 29031 states and 32108 transitions. [2020-07-17 15:04:24,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-17 15:04:24,430 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 872 [2020-07-17 15:04:24,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 15:04:24,464 INFO L225 Difference]: With dead ends: 29031 [2020-07-17 15:04:24,464 INFO L226 Difference]: Without dead ends: 16285 [2020-07-17 15:04:24,484 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 112 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=291, Invalid=639, Unknown=0, NotChecked=0, Total=930 [2020-07-17 15:04:24,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16285 states. [2020-07-17 15:04:31,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16285 to 15833. [2020-07-17 15:04:31,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15833 states. [2020-07-17 15:04:31,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15833 states to 15833 states and 17275 transitions. [2020-07-17 15:04:31,695 INFO L78 Accepts]: Start accepts. Automaton has 15833 states and 17275 transitions. Word has length 872 [2020-07-17 15:04:31,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 15:04:31,695 INFO L479 AbstractCegarLoop]: Abstraction has 15833 states and 17275 transitions. [2020-07-17 15:04:31,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-17 15:04:31,696 INFO L276 IsEmpty]: Start isEmpty. Operand 15833 states and 17275 transitions. [2020-07-17 15:04:31,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 891 [2020-07-17 15:04:31,713 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 15:04:31,714 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 15:04:31,714 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-07-17 15:04:31,714 INFO L427 AbstractCegarLoop]: === Iteration 27 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 15:04:31,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 15:04:31,715 INFO L82 PathProgramCache]: Analyzing trace with hash -978519088, now seen corresponding path program 1 times [2020-07-17 15:04:31,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 15:04:31,715 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1179984046] [2020-07-17 15:04:31,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 15:04:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,063 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-07-17 15:04:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 15:04:33,309 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-17 15:04:33,621 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-17 15:04:33,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1179984046] [2020-07-17 15:04:33,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 15:04:33,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2020-07-17 15:04:33,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922198540] [2020-07-17 15:04:33,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-07-17 15:04:33,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 15:04:33,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-07-17 15:04:33,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1088, Unknown=0, NotChecked=0, Total=1190 [2020-07-17 15:04:33,624 INFO L87 Difference]: Start difference. First operand 15833 states and 17275 transitions. Second operand 35 states. [2020-07-17 15:04:38,140 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-17 15:04:38,734 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-17 15:04:39,024 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2020-07-17 15:04:42,157 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-17 15:04:44,073 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:04:51,446 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:04:51,672 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:04:52,016 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-17 15:04:52,279 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 93 [2020-07-17 15:04:52,615 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2020-07-17 15:04:52,846 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2020-07-17 15:04:53,405 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 133 [2020-07-17 15:04:55,453 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 135 [2020-07-17 15:04:59,577 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-07-17 15:05:02,717 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 15:05:03,186 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2020-07-17 15:05:06,323 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-07-17 15:05:06,490 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-17 15:05:06,853 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 135 [2020-07-17 15:05:07,091 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-17 15:05:07,456 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 137 [2020-07-17 15:05:07,626 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2020-07-17 15:05:07,950 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 135 [2020-07-17 15:05:08,110 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:05:08,321 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-17 15:05:08,923 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 137 [2020-07-17 15:05:09,199 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:05:09,590 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 139 [2020-07-17 15:05:09,973 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 137 [2020-07-17 15:05:10,138 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:05:10,372 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:05:10,612 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:05:10,776 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-17 15:05:11,775 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-07-17 15:05:11,924 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-07-17 15:05:12,224 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-07-17 15:05:12,541 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-07-17 15:05:13,145 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-07-17 15:05:14,962 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2020-07-17 15:05:15,445 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 96 [2020-07-17 15:05:15,841 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 135 [2020-07-17 15:05:16,251 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 137 [2020-07-17 15:05:16,657 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 136 [2020-07-17 15:05:21,342 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:05:21,635 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 133 [2020-07-17 15:05:22,596 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-07-17 15:05:22,996 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-17 15:05:23,347 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 134 [2020-07-17 15:05:25,162 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:05:25,353 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:05:25,536 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:05:25,703 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:05:25,906 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:05:26,095 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-07-17 15:05:26,273 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:05:26,461 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-07-17 15:05:26,874 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-07-17 15:05:27,095 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2020-07-17 15:05:27,334 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-07-17 15:05:27,581 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-07-17 15:05:31,659 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:05:32,352 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-17 15:05:32,589 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-07-17 15:05:32,959 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-17 15:05:37,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 15:05:37,508 INFO L93 Difference]: Finished difference Result 48155 states and 53243 transitions. [2020-07-17 15:05:37,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2020-07-17 15:05:37,509 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 890 [2020-07-17 15:05:37,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 15:05:37,524 INFO L225 Difference]: With dead ends: 48155 [2020-07-17 15:05:37,524 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 15:05:37,578 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7835 ImplicationChecksByTransitivity, 17.9s TimeCoverageRelationStatistics Valid=3597, Invalid=20583, Unknown=0, NotChecked=0, Total=24180 [2020-07-17 15:05:37,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 15:05:37,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 15:05:37,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 15:05:37,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 15:05:37,581 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 890 [2020-07-17 15:05:37,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 15:05:37,582 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 15:05:37,582 INFO L480 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-07-17 15:05:37,582 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 15:05:37,582 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 15:05:37,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-07-17 15:05:37,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 15:05:39,471 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 98 [2020-07-17 15:05:40,066 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 198 [2020-07-17 15:05:40,480 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 193 [2020-07-17 15:05:40,897 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 235 [2020-07-17 15:05:41,285 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 208 [2020-07-17 15:05:41,652 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 225 [2020-07-17 15:05:41,974 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 198 [2020-07-17 15:05:42,346 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 209 [2020-07-17 15:05:42,987 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 199 [2020-07-17 15:05:43,246 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 191 [2020-07-17 15:05:43,613 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 226 [2020-07-17 15:05:43,861 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 193 [2020-07-17 15:05:44,129 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 200 [2020-07-17 15:05:44,465 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 200 [2020-07-17 15:05:44,790 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 199 [2020-07-17 15:05:45,130 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 208 [2020-07-17 15:05:45,458 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 199 [2020-07-17 15:05:47,772 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 249 DAG size of output: 195 [2020-07-17 15:05:48,050 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 196 [2020-07-17 15:05:48,276 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 183 [2020-07-17 15:05:48,471 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 186 [2020-07-17 15:05:48,695 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 192 [2020-07-17 15:05:48,968 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 198 [2020-07-17 15:05:49,184 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 185 [2020-07-17 15:05:49,450 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 221 [2020-07-17 15:05:49,676 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 194 [2020-07-17 15:05:49,922 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 211 [2020-07-17 15:05:50,204 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 223 [2020-07-17 15:05:50,425 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 184 [2020-07-17 15:05:50,675 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 200 [2020-07-17 15:05:50,923 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 198 [2020-07-17 15:05:51,134 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 186 [2020-07-17 15:05:51,442 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 221 [2020-07-17 15:05:51,686 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 213 [2020-07-17 15:05:51,927 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 190 [2020-07-17 15:05:52,177 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 201 [2020-07-17 15:05:52,486 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 222 [2020-07-17 15:05:52,774 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 197 [2020-07-17 15:05:53,000 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 195 [2020-07-17 15:05:53,169 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 194 [2020-07-17 15:05:53,413 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 214 [2020-07-17 15:05:53,675 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 204 [2020-07-17 15:05:53,894 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 185 [2020-07-17 15:05:54,062 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 190 [2020-07-17 15:05:54,321 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2020-07-17 15:05:54,644 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 207 [2020-07-17 15:05:54,899 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 198 [2020-07-17 15:05:55,095 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 183 [2020-07-17 15:05:55,372 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 216 [2020-07-17 15:05:55,640 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 194 [2020-07-17 15:05:55,835 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 185 [2020-07-17 15:05:56,101 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 195 [2020-07-17 15:05:56,348 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 212 [2020-07-17 15:05:56,609 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 195 [2020-07-17 15:05:56,809 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 186 [2020-07-17 15:05:57,088 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 197 [2020-07-17 15:05:57,293 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 193 [2020-07-17 15:05:57,518 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 192 [2020-07-17 15:05:57,726 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 195 [2020-07-17 15:05:57,953 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 186 [2020-07-17 15:05:58,170 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 184 [2020-07-17 15:05:58,393 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 193 [2020-07-17 15:05:58,611 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 185 [2020-07-17 15:05:58,858 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 191 [2020-07-17 15:05:59,185 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 198 [2020-07-17 15:05:59,448 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 197 [2020-07-17 15:05:59,863 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 239 [2020-07-17 15:06:00,210 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 208 [2020-07-17 15:06:00,609 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 229 [2020-07-17 15:06:00,938 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 198 [2020-07-17 15:06:01,310 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 213 [2020-07-17 15:06:01,661 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 203 [2020-07-17 15:06:01,917 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 191 [2020-07-17 15:06:02,313 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 230 [2020-07-17 15:06:02,572 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 193 [2020-07-17 15:06:02,863 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 204 [2020-07-17 15:06:03,231 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 204 [2020-07-17 15:06:03,558 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 199 [2020-07-17 15:06:03,902 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 208 [2020-07-17 15:06:04,229 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 199 [2020-07-17 15:06:04,969 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 198 [2020-07-17 15:06:05,249 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 198 [2020-07-17 15:06:05,471 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 186 [2020-07-17 15:06:05,673 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 188 [2020-07-17 15:06:05,896 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 194 [2020-07-17 15:06:06,198 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 222 [2020-07-17 15:06:06,420 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 188 [2020-07-17 15:06:06,684 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 223 [2020-07-17 15:06:06,916 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 196 [2020-07-17 15:06:07,165 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 213 [2020-07-17 15:06:07,427 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 225 [2020-07-17 15:06:07,648 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 186 [2020-07-17 15:06:07,899 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 202 [2020-07-17 15:06:08,145 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 200 [2020-07-17 15:06:08,373 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 189 [2020-07-17 15:06:08,675 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 222 [2020-07-17 15:06:08,918 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 215 [2020-07-17 15:06:09,168 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 192 [2020-07-17 15:06:09,415 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 203 [2020-07-17 15:06:09,717 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 224 [2020-07-17 15:06:10,007 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 199 [2020-07-17 15:06:10,235 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 197 [2020-07-17 15:06:10,398 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 192 [2020-07-17 15:06:10,644 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 216 [2020-07-17 15:06:10,935 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 213 [2020-07-17 15:06:11,155 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 187 [2020-07-17 15:06:11,323 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 192 [2020-07-17 15:06:11,561 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 193 [2020-07-17 15:06:11,884 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 203 [2020-07-17 15:06:12,140 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 200 [2020-07-17 15:06:12,346 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 186 [2020-07-17 15:06:12,595 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 194 [2020-07-17 15:06:12,869 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 197 [2020-07-17 15:06:13,072 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 188 [2020-07-17 15:06:13,349 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 198 [2020-07-17 15:06:13,605 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 214 [2020-07-17 15:06:13,863 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 197 [2020-07-17 15:06:14,061 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 188 [2020-07-17 15:06:14,357 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 221 [2020-07-17 15:06:14,576 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 202 [2020-07-17 15:06:14,800 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 194 [2020-07-17 15:06:15,029 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 204 [2020-07-17 15:06:15,249 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 188 [2020-07-17 15:06:15,471 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 187 [2020-07-17 15:06:15,715 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 196 [2020-07-17 15:06:15,931 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 187 [2020-07-17 15:06:16,190 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 193 [2020-07-17 15:06:17,129 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 197 [2020-07-17 15:06:17,404 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 194 [2020-07-17 15:06:17,618 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 181 [2020-07-17 15:06:17,813 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 184 [2020-07-17 15:06:18,033 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 190 [2020-07-17 15:06:18,331 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 219 [2020-07-17 15:06:18,568 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 187 [2020-07-17 15:06:18,820 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 218 [2020-07-17 15:06:19,056 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 192 [2020-07-17 15:06:19,300 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 208 [2020-07-17 15:06:19,581 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 224 [2020-07-17 15:06:19,803 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 182 [2020-07-17 15:06:20,062 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 198 [2020-07-17 15:06:20,316 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 204 [2020-07-17 15:06:20,688 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 188 [2020-07-17 15:06:20,989 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 219 [2020-07-17 15:06:21,262 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 214 [2020-07-17 15:06:21,508 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 188 [2020-07-17 15:06:21,770 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 199 [2020-07-17 15:06:22,074 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 220 [2020-07-17 15:06:22,350 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 195 [2020-07-17 15:06:22,578 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 193 [2020-07-17 15:06:22,747 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 192 [2020-07-17 15:06:23,018 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 215 [2020-07-17 15:06:23,288 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 202 [2020-07-17 15:06:23,506 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 183 [2020-07-17 15:06:23,672 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 188 [2020-07-17 15:06:23,918 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 189 [2020-07-17 15:06:24,229 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 198 [2020-07-17 15:06:24,497 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 196 [2020-07-17 15:06:24,696 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 181 [2020-07-17 15:06:24,947 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 190 [2020-07-17 15:06:25,224 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 193 [2020-07-17 15:06:25,446 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 187 [2020-07-17 15:06:25,715 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 194 [2020-07-17 15:06:25,962 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 209 [2020-07-17 15:06:26,220 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 193 [2020-07-17 15:06:26,418 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 184 [2020-07-17 15:06:26,712 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 218 [2020-07-17 15:06:26,918 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 190 [2020-07-17 15:06:27,142 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 190 [2020-07-17 15:06:27,390 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 196 [2020-07-17 15:06:27,610 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 184 [2020-07-17 15:06:27,828 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 182 [2020-07-17 15:06:28,052 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 191 [2020-07-17 15:06:28,274 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 183 [2020-07-17 15:06:28,524 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 189 [2020-07-17 15:06:28,852 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 198 [2020-07-17 15:06:29,118 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 197 [2020-07-17 15:06:29,522 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 239 [2020-07-17 15:06:29,862 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 208 [2020-07-17 15:06:30,261 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 229 [2020-07-17 15:06:30,584 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 198 [2020-07-17 15:06:30,955 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 213 [2020-07-17 15:06:31,307 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 203 [2020-07-17 15:06:31,565 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 191 [2020-07-17 15:06:31,959 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 230 [2020-07-17 15:06:32,206 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 193 [2020-07-17 15:06:32,495 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 204 [2020-07-17 15:06:32,862 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 204 [2020-07-17 15:06:33,186 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 199 [2020-07-17 15:06:33,540 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 208 [2020-07-17 15:06:33,871 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 199 [2020-07-17 15:06:42,712 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 1166 DAG size of output: 768 [2020-07-17 15:07:07,805 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1203 DAG size of output: 1186 [2020-07-17 15:07:08,167 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 440 [2020-07-17 15:07:09,460 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1202 DAG size of output: 1183 [2020-07-17 15:07:09,847 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 432 [2020-07-17 15:07:10,152 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 437 [2020-07-17 15:07:11,714 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1204 DAG size of output: 1192 [2020-07-17 15:07:12,322 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 644 DAG size of output: 627 [2020-07-17 15:07:13,758 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1214 DAG size of output: 1194 [2020-07-17 15:07:14,078 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 429 [2020-07-17 15:07:14,403 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 440 [2020-07-17 15:07:16,161 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1206 [2020-07-17 15:07:17,614 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1218 DAG size of output: 1204 [2020-07-17 15:07:19,010 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1204 DAG size of output: 1190 [2020-07-17 15:07:20,444 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1216 DAG size of output: 1200 [2020-07-17 15:07:20,778 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 428 [2020-07-17 15:07:21,169 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 430 [2020-07-17 15:07:22,535 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1201 DAG size of output: 1180 [2020-07-17 15:07:24,010 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1205 DAG size of output: 1194 [2020-07-17 15:07:25,611 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1202 [2020-07-17 15:07:27,036 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1200 DAG size of output: 1177 [2020-07-17 15:07:27,754 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 443 [2020-07-17 15:07:28,233 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 430 [2020-07-17 15:07:29,755 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1212 DAG size of output: 1191 [2020-07-17 15:07:30,095 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 427 [2020-07-17 15:07:30,664 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 427 [2020-07-17 15:07:31,342 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 437 [2020-07-17 15:07:31,982 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 442 [2020-07-17 15:07:33,947 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1206 DAG size of output: 1193 [2020-07-17 15:07:34,290 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 437 [2020-07-17 15:07:34,941 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 440 [2020-07-17 15:07:35,407 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 425 [2020-07-17 15:07:35,935 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 428 [2020-07-17 15:07:37,464 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1203 DAG size of output: 1180 [2020-07-17 15:07:37,806 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 428 [2020-07-17 15:07:39,407 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1213 DAG size of output: 1203 [2020-07-17 15:07:41,034 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1217 DAG size of output: 1206 [2020-07-17 15:07:42,592 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1206 DAG size of output: 1196 [2020-07-17 15:07:47,107 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 179 [2020-07-17 15:07:55,823 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 181 [2020-07-17 15:07:56,046 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 180 [2020-07-17 15:07:56,215 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 181 [2020-07-17 15:07:56,340 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 180 [2020-07-17 15:07:56,460 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 180 [2020-07-17 15:07:56,637 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 179 [2020-07-17 15:07:56,764 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 188 [2020-07-17 15:07:56,906 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 181 [2020-07-17 15:07:57,032 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 183 [2020-07-17 15:07:57,202 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 179 [2020-07-17 15:07:57,695 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 182 [2020-07-17 15:07:57,863 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 181 [2020-07-17 15:07:58,279 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 181 [2020-07-17 15:07:58,405 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 182 [2020-07-17 15:07:58,526 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 178 [2020-07-17 15:07:58,704 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 181 [2020-07-17 15:07:58,875 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 179 [2020-07-17 15:07:59,057 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 190 [2020-07-17 15:07:59,277 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 180 [2020-07-17 15:08:00,504 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 177 [2020-07-17 15:08:00,679 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 175 [2020-07-17 15:08:01,119 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 179 [2020-07-17 15:08:01,300 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 181 [2020-07-17 15:08:01,542 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 178 [2020-07-17 15:08:01,787 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 179 [2020-07-17 15:08:01,929 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 180 [2020-07-17 15:08:02,152 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 181 [2020-07-17 15:08:02,478 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 185 [2020-07-17 15:08:08,131 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1203 DAG size of output: 1187 [2020-07-17 15:08:08,524 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 441 [2020-07-17 15:08:09,807 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1202 DAG size of output: 1184 [2020-07-17 15:08:10,198 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 431 [2020-07-17 15:08:10,532 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 440 [2020-07-17 15:08:12,109 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1204 DAG size of output: 1191 [2020-07-17 15:08:12,706 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 644 DAG size of output: 627 [2020-07-17 15:08:14,056 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1214 DAG size of output: 1194 [2020-07-17 15:08:14,371 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 429 [2020-07-17 15:08:14,644 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 439 [2020-07-17 15:08:16,224 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1203 [2020-07-17 15:08:17,792 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1218 DAG size of output: 1205 [2020-07-17 15:08:19,148 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1204 DAG size of output: 1190 [2020-07-17 15:08:20,638 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1216 DAG size of output: 1200 [2020-07-17 15:08:20,953 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 427 [2020-07-17 15:08:21,392 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 430 [2020-07-17 15:08:22,705 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1201 DAG size of output: 1178 [2020-07-17 15:08:24,064 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1205 DAG size of output: 1193 [2020-07-17 15:08:25,679 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1202 [2020-07-17 15:08:27,115 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1200 DAG size of output: 1178 [2020-07-17 15:08:27,790 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 443 [2020-07-17 15:08:28,331 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 431 [2020-07-17 15:08:29,633 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1212 DAG size of output: 1187 [2020-07-17 15:08:29,993 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 426 [2020-07-17 15:08:30,550 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 428 [2020-07-17 15:08:31,266 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 437 [2020-07-17 15:08:31,952 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 441 [2020-07-17 15:08:33,878 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1206 DAG size of output: 1194 [2020-07-17 15:08:34,237 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 435 [2020-07-17 15:08:34,866 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 443 DAG size of output: 438 [2020-07-17 15:08:35,334 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 426 [2020-07-17 15:08:35,838 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 428 [2020-07-17 15:08:37,544 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 1203 DAG size of output: 1181 [2020-07-17 15:08:37,861 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 429 [2020-07-17 15:08:39,426 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1213 DAG size of output: 1202 [2020-07-17 15:08:41,105 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1217 DAG size of output: 1204 [2020-07-17 15:08:42,597 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1206 DAG size of output: 1194 [2020-07-17 15:08:43,778 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 681 DAG size of output: 240 [2020-07-17 15:08:46,775 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 183 [2020-07-17 15:08:48,223 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 183 [2020-07-17 15:08:53,621 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 185 [2020-07-17 15:08:55,071 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 170 [2020-07-17 15:08:55,381 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 185 [2020-07-17 15:08:56,584 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 183 [2020-07-17 15:08:57,368 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 183 [2020-07-17 15:09:01,466 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 170 [2020-07-17 15:09:06,032 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 183 [2020-07-17 15:09:07,822 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 170 [2020-07-17 15:09:22,053 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 183 [2020-07-17 15:09:32,786 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 185 [2020-07-17 15:09:34,539 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 183 [2020-07-17 15:09:35,172 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 183 [2020-07-17 15:09:36,860 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 185 [2020-07-17 15:09:49,447 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 198 [2020-07-17 15:09:49,720 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 197 [2020-07-17 15:09:50,132 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 239 [2020-07-17 15:09:50,471 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 208 [2020-07-17 15:09:50,857 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 229 [2020-07-17 15:09:51,177 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 198 [2020-07-17 15:09:51,545 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 213 [2020-07-17 15:09:51,896 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 203 [2020-07-17 15:09:52,158 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 191 [2020-07-17 15:09:52,551 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 230 [2020-07-17 15:09:52,796 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 193 [2020-07-17 15:09:53,092 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 204 [2020-07-17 15:09:53,448 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 204 [2020-07-17 15:09:53,771 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 199 [2020-07-17 15:09:54,111 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 208 [2020-07-17 15:09:54,438 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 199 [2020-07-17 15:09:54,685 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 196 [2020-07-17 15:09:54,960 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 196 [2020-07-17 15:09:55,195 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 184 [2020-07-17 15:09:55,387 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 186 [2020-07-17 15:09:55,606 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 192 [2020-07-17 15:09:55,902 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 221 [2020-07-17 15:09:56,132 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 186 [2020-07-17 15:09:56,395 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 221 [2020-07-17 15:09:56,619 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 194 [2020-07-17 15:09:56,871 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 211 [2020-07-17 15:09:57,135 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 223 [2020-07-17 15:09:57,355 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 184 [2020-07-17 15:09:57,603 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 200 [2020-07-17 15:09:57,851 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 198 [2020-07-17 15:09:58,070 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 187 [2020-07-17 15:09:58,387 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 221 [2020-07-17 15:09:58,636 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 213 [2020-07-17 15:09:58,880 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 190 [2020-07-17 15:09:59,126 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 201 [2020-07-17 15:09:59,444 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 222 [2020-07-17 15:09:59,723 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 197 [2020-07-17 15:09:59,952 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 195 [2020-07-17 15:10:00,112 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 190 [2020-07-17 15:10:00,371 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 214 [2020-07-17 15:10:00,650 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 211 [2020-07-17 15:10:00,868 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 185 [2020-07-17 15:10:01,034 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 190 [2020-07-17 15:10:01,273 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 191 [2020-07-17 15:10:01,616 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 201 [2020-07-17 15:10:01,890 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 198 [2020-07-17 15:10:02,091 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 184 [2020-07-17 15:10:02,354 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 192 [2020-07-17 15:10:02,665 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 195 [2020-07-17 15:10:02,867 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 186 [2020-07-17 15:10:03,142 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 196 [2020-07-17 15:10:03,395 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 212 [2020-07-17 15:10:03,654 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 195 [2020-07-17 15:10:03,851 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 186 [2020-07-17 15:10:04,190 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 220 [2020-07-17 15:10:04,415 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 200 [2020-07-17 15:10:04,646 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 192 [2020-07-17 15:10:04,883 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 202 [2020-07-17 15:10:05,104 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 186 [2020-07-17 15:10:05,341 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 185 [2020-07-17 15:10:05,599 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 194 [2020-07-17 15:10:05,843 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 185 [2020-07-17 15:10:06,092 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 191 [2020-07-17 15:10:06,220 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 198 [2020-07-17 15:10:06,364 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 196 [2020-07-17 15:10:06,477 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 186 [2020-07-17 15:10:06,641 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 199 [2020-07-17 15:10:06,754 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 188 [2020-07-17 15:10:06,878 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 197 [2020-07-17 15:10:06,995 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 196 [2020-07-17 15:10:07,115 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 187 [2020-07-17 15:10:07,245 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 199 [2020-07-17 15:10:07,351 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 186 [2020-07-17 15:10:07,466 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 198 [2020-07-17 15:10:07,578 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 189 [2020-07-17 15:10:07,730 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 197 [2020-07-17 15:10:07,848 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 189 [2020-07-17 15:10:07,950 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 188 [2020-07-17 15:10:08,075 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 200 [2020-07-17 15:10:08,229 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 198 [2020-07-17 15:10:08,371 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 197 [2020-07-17 15:10:08,498 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 198 [2020-07-17 15:10:08,613 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 190 [2020-07-17 15:10:08,735 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 188 [2020-07-17 15:10:08,855 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 190 [2020-07-17 15:10:08,979 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 191 [2020-07-17 15:10:09,141 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 196 [2020-07-17 15:10:09,297 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 197 [2020-07-17 15:10:09,415 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 188 [2020-07-17 15:10:09,580 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 198 [2020-07-17 15:10:09,707 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 189 [2020-07-17 15:10:09,818 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 187 [2020-07-17 15:10:09,946 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 196 [2020-07-17 15:10:10,050 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 187 [2020-07-17 15:10:10,158 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 189 [2020-07-17 15:10:10,724 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 177 [2020-07-17 15:10:11,328 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 179 [2020-07-17 15:10:11,509 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 181 [2020-07-17 15:10:11,755 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 178 [2020-07-17 15:10:11,996 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 179 [2020-07-17 15:10:12,138 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 180 [2020-07-17 15:10:12,362 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 181 [2020-07-17 15:10:13,184 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 177 [2020-07-17 15:10:13,704 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 198 [2020-07-17 15:10:13,850 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 196 [2020-07-17 15:10:13,963 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 186 [2020-07-17 15:10:14,125 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 199 [2020-07-17 15:10:14,240 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 188 [2020-07-17 15:10:14,366 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 197 [2020-07-17 15:10:14,483 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 196 [2020-07-17 15:10:14,602 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 187 [2020-07-17 15:10:14,727 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 199 [2020-07-17 15:10:14,944 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 198 [2020-07-17 15:10:15,055 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 189 [2020-07-17 15:10:15,208 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 197 [2020-07-17 15:10:15,323 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 189 [2020-07-17 15:10:15,425 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 188 [2020-07-17 15:10:15,557 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 200 [2020-07-17 15:10:15,713 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 198 [2020-07-17 15:10:15,863 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 197 [2020-07-17 15:10:15,988 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 198 [2020-07-17 15:10:16,102 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 190 [2020-07-17 15:10:16,227 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 188 [2020-07-17 15:10:16,347 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 190 [2020-07-17 15:10:16,470 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 191 [2020-07-17 15:10:16,621 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 196 [2020-07-17 15:10:16,772 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 197 [2020-07-17 15:10:16,889 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 188 [2020-07-17 15:10:17,057 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 198 [2020-07-17 15:10:17,180 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 189 [2020-07-17 15:10:17,290 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 187 [2020-07-17 15:10:17,419 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 196 [2020-07-17 15:10:17,521 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 187 [2020-07-17 15:10:18,876 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 198 [2020-07-17 15:10:19,020 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 196 [2020-07-17 15:10:19,135 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 186 [2020-07-17 15:10:19,310 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 199 [2020-07-17 15:10:19,423 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 188 [2020-07-17 15:10:19,548 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 197 [2020-07-17 15:10:19,664 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 196 [2020-07-17 15:10:19,783 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 187 [2020-07-17 15:10:19,909 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 199 [2020-07-17 15:10:20,127 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 198 [2020-07-17 15:10:20,238 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 189 [2020-07-17 15:10:20,392 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 197 [2020-07-17 15:10:20,508 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 189 [2020-07-17 15:10:20,739 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 200 [2020-07-17 15:10:20,894 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 198 [2020-07-17 15:10:21,040 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 197 [2020-07-17 15:10:21,166 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 198 [2020-07-17 15:10:21,280 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 190 [2020-07-17 15:10:21,403 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 188 [2020-07-17 15:10:21,522 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 190 [2020-07-17 15:10:21,649 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 191 [2020-07-17 15:10:21,801 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 196 [2020-07-17 15:10:21,954 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 197 [2020-07-17 15:10:22,071 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 188 [2020-07-17 15:10:22,243 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 198 [2020-07-17 15:10:22,364 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 189 [2020-07-17 15:10:22,484 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 187 [2020-07-17 15:10:22,611 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 196 [2020-07-17 15:10:22,715 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 187 [2020-07-17 15:10:25,024 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 198 [2020-07-17 15:10:25,168 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 196 [2020-07-17 15:10:25,284 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 186 [2020-07-17 15:10:25,450 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 199 [2020-07-17 15:10:25,563 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 188 [2020-07-17 15:10:25,689 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 197 [2020-07-17 15:10:25,817 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 196 [2020-07-17 15:10:25,943 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 187 [2020-07-17 15:10:26,068 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 199 [2020-07-17 15:10:26,287 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 198 [2020-07-17 15:10:26,400 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 189 [2020-07-17 15:10:26,555 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 197 [2020-07-17 15:10:26,671 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 189 [2020-07-17 15:10:26,775 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 188 [2020-07-17 15:10:26,900 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 200 [2020-07-17 15:10:27,055 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 198 [2020-07-17 15:10:27,198 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 197 [2020-07-17 15:10:27,325 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 198 [2020-07-17 15:10:27,438 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 190 [2020-07-17 15:10:27,558 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 188 [2020-07-17 15:10:27,678 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 190 [2020-07-17 15:10:27,803 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 191 [2020-07-17 15:10:27,961 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 196 [2020-07-17 15:10:28,113 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 197 [2020-07-17 15:10:28,232 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 188 [2020-07-17 15:10:28,397 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 198 [2020-07-17 15:10:28,519 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 189 [2020-07-17 15:10:28,631 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 187 [2020-07-17 15:10:28,760 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 196 [2020-07-17 15:10:28,864 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 187 [2020-07-17 15:10:29,306 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 200 [2020-07-17 15:10:29,573 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 199 [2020-07-17 15:10:29,976 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 241 [2020-07-17 15:10:30,319 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 210 [2020-07-17 15:10:30,710 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 231 [2020-07-17 15:10:31,047 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 200 [2020-07-17 15:10:31,426 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 215 [2020-07-17 15:10:31,776 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 205 [2020-07-17 15:10:32,031 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 193 [2020-07-17 15:10:32,428 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 232 [2020-07-17 15:10:32,684 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 195 [2020-07-17 15:10:32,977 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 206 [2020-07-17 15:10:33,325 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 206 [2020-07-17 15:10:33,650 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 201 [2020-07-17 15:10:33,990 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 210 [2020-07-17 15:10:34,320 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 201 [2020-07-17 15:10:34,543 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 199 [2020-07-17 15:10:34,817 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 200 [2020-07-17 15:10:35,031 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 187 [2020-07-17 15:10:35,228 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 194 [2020-07-17 15:10:35,426 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 196 [2020-07-17 15:10:35,706 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 202 [2020-07-17 15:10:35,920 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 189 [2020-07-17 15:10:36,189 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 225 [2020-07-17 15:10:36,425 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 199 [2020-07-17 15:10:36,665 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 215 [2020-07-17 15:10:36,925 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 227 [2020-07-17 15:10:37,151 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 189 [2020-07-17 15:10:37,385 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 201 [2020-07-17 15:10:37,639 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 205 [2020-07-17 15:10:37,851 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 190 [2020-07-17 15:10:38,159 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 225 [2020-07-17 15:10:38,400 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 217 [2020-07-17 15:10:38,623 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 191 [2020-07-17 15:10:38,868 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 202 [2020-07-17 15:10:39,185 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 226 [2020-07-17 15:10:39,459 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 201 [2020-07-17 15:10:39,699 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 200 [2020-07-17 15:10:39,938 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 218 [2020-07-17 15:10:40,207 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 215 [2020-07-17 15:10:40,428 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 190 [2020-07-17 15:10:40,646 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 192 [2020-07-17 15:10:40,898 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 205 [2020-07-17 15:10:41,111 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 192 [2020-07-17 15:10:41,350 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 193 [2020-07-17 15:10:41,619 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 198 [2020-07-17 15:10:41,826 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 194 [2020-07-17 15:10:42,092 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 199 [2020-07-17 15:10:42,342 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 216 [2020-07-17 15:10:42,606 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2020-07-17 15:10:42,805 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 194 [2020-07-17 15:10:43,077 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 201 [2020-07-17 15:10:43,283 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 204 [2020-07-17 15:10:43,485 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 196 [2020-07-17 15:10:43,689 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 206 [2020-07-17 15:10:43,909 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 191 [2020-07-17 15:10:44,126 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 188 [2020-07-17 15:10:44,349 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 197 [2020-07-17 15:10:44,575 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 190 [2020-07-17 15:10:44,800 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 192 [2020-07-17 15:10:45,732 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 200 [2020-07-17 15:10:46,001 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 199 [2020-07-17 15:10:46,422 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 241 [2020-07-17 15:10:46,768 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 210 [2020-07-17 15:10:47,159 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 231 [2020-07-17 15:10:47,480 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 200 [2020-07-17 15:10:47,851 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 215 [2020-07-17 15:10:48,201 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 205 [2020-07-17 15:10:48,454 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 193 [2020-07-17 15:10:48,852 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 232 [2020-07-17 15:10:49,111 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 195 [2020-07-17 15:10:49,409 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 206 [2020-07-17 15:10:49,763 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 206 [2020-07-17 15:10:50,089 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 201 [2020-07-17 15:10:50,431 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 210 [2020-07-17 15:10:50,757 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 201 [2020-07-17 15:10:51,087 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 198 [2020-07-17 15:10:51,353 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 197 [2020-07-17 15:10:51,770 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 239 [2020-07-17 15:10:52,113 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 208 [2020-07-17 15:10:52,514 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 229 [2020-07-17 15:10:52,836 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 198 [2020-07-17 15:10:53,207 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 213 [2020-07-17 15:10:53,558 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 203 [2020-07-17 15:10:53,816 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 191 [2020-07-17 15:10:54,212 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 230 [2020-07-17 15:10:54,457 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 193 [2020-07-17 15:10:54,748 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 204 [2020-07-17 15:10:55,106 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 204 [2020-07-17 15:10:55,438 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 199 [2020-07-17 15:10:55,783 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 208 [2020-07-17 15:10:56,115 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 199 [2020-07-17 15:10:56,337 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 199 [2020-07-17 15:10:56,619 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 200 [2020-07-17 15:10:56,836 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 187 [2020-07-17 15:10:57,024 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 191 [2020-07-17 15:10:57,221 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 193 [2020-07-17 15:10:57,495 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 202 [2020-07-17 15:10:57,712 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 189 [2020-07-17 15:10:57,973 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 225 [2020-07-17 15:10:58,207 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 199 [2020-07-17 15:10:58,452 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 215 [2020-07-17 15:10:58,716 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 227 [2020-07-17 15:10:58,950 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 189 [2020-07-17 15:10:59,182 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 201 [2020-07-17 15:10:59,427 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 202 [2020-07-17 15:10:59,642 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 190 [2020-07-17 15:10:59,947 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 225 [2020-07-17 15:11:00,186 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 217 [2020-07-17 15:11:00,413 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 191 [2020-07-17 15:11:00,654 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 202 [2020-07-17 15:11:00,961 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 226 [2020-07-17 15:11:01,234 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 201 [2020-07-17 15:11:01,475 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 200 [2020-07-17 15:11:01,727 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 218 [2020-07-17 15:11:01,990 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 208 [2020-07-17 15:11:02,215 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 190 [2020-07-17 15:11:02,436 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 192 [2020-07-17 15:11:02,688 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 202 [2020-07-17 15:11:02,884 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 187 [2020-07-17 15:11:03,108 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 193 [2020-07-17 15:11:03,373 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 198 [2020-07-17 15:11:03,568 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 189 [2020-07-17 15:11:03,835 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 199 [2020-07-17 15:11:04,078 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 216 [2020-07-17 15:11:04,329 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 198