/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 17:00:25,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 17:00:25,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 17:00:25,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 17:00:25,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 17:00:25,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 17:00:25,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 17:00:25,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 17:00:25,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 17:00:25,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 17:00:25,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 17:00:25,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 17:00:25,096 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 17:00:25,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 17:00:25,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 17:00:25,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 17:00:25,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 17:00:25,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 17:00:25,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 17:00:25,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 17:00:25,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 17:00:25,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 17:00:25,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 17:00:25,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 17:00:25,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 17:00:25,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 17:00:25,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 17:00:25,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 17:00:25,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 17:00:25,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 17:00:25,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 17:00:25,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 17:00:25,133 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 17:00:25,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 17:00:25,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 17:00:25,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 17:00:25,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 17:00:25,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 17:00:25,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 17:00:25,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 17:00:25,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 17:00:25,141 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 17:00:25,162 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 17:00:25,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 17:00:25,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 17:00:25,170 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 17:00:25,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 17:00:25,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 17:00:25,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 17:00:25,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 17:00:25,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 17:00:25,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 17:00:25,174 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 17:00:25,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 17:00:25,175 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 17:00:25,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 17:00:25,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 17:00:25,176 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 17:00:25,176 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 17:00:25,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 17:00:25,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 17:00:25,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 17:00:25,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 17:00:25,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 17:00:25,177 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-17 17:00:25,442 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 17:00:25,457 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 17:00:25,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 17:00:25,463 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 17:00:25,463 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 17:00:25,464 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-07-17 17:00:25,534 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b611c481/9bfe3f3a1eab4a6082a158151903d09c/FLAG7ab070236 [2020-07-17 17:00:26,023 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 17:00:26,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-07-17 17:00:26,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b611c481/9bfe3f3a1eab4a6082a158151903d09c/FLAG7ab070236 [2020-07-17 17:00:26,385 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b611c481/9bfe3f3a1eab4a6082a158151903d09c [2020-07-17 17:00:26,392 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 17:00:26,395 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 17:00:26,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 17:00:26,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 17:00:26,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 17:00:26,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 05:00:26" (1/1) ... [2020-07-17 17:00:26,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16705c8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:00:26, skipping insertion in model container [2020-07-17 17:00:26,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 05:00:26" (1/1) ... [2020-07-17 17:00:26,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 17:00:26,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 17:00:26,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 17:00:26,916 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 17:00:26,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 17:00:27,037 INFO L208 MainTranslator]: Completed translation [2020-07-17 17:00:27,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:00:27 WrapperNode [2020-07-17 17:00:27,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 17:00:27,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 17:00:27,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 17:00:27,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 17:00:27,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:00:27" (1/1) ... [2020-07-17 17:00:27,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:00:27" (1/1) ... [2020-07-17 17:00:27,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:00:27" (1/1) ... [2020-07-17 17:00:27,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:00:27" (1/1) ... [2020-07-17 17:00:27,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:00:27" (1/1) ... [2020-07-17 17:00:27,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:00:27" (1/1) ... [2020-07-17 17:00:27,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:00:27" (1/1) ... [2020-07-17 17:00:27,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 17:00:27,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 17:00:27,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 17:00:27,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 17:00:27,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:00:27" (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 17:00:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 17:00:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 17:00:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 17:00:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-17 17:00:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-17 17:00:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-17 17:00:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 17:00:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 17:00:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 17:00:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 17:00:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-17 17:00:27,188 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 17:00:27,188 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-17 17:00:27,189 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 17:00:27,189 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 17:00:27,189 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 17:00:27,190 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 17:00:27,190 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 17:00:27,190 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 17:00:27,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-17 17:00:27,191 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-17 17:00:27,191 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-17 17:00:27,193 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 17:00:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 17:00:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 17:00:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 17:00:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 17:00:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 17:00:27,195 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 17:00:27,195 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-17 17:00:27,195 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 17:00:27,195 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 17:00:27,195 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 17:00:27,195 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 17:00:27,196 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 17:00:27,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 17:00:27,196 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 17:00:27,196 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 17:00:27,196 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 17:00:27,196 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 17:00:27,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 17:00:27,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 17:00:27,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 17:00:27,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 17:00:27,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 17:00:27,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 17:00:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 17:00:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 17:00:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 17:00:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 17:00:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 17:00:27,198 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 17:00:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-17 17:00:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-17 17:00:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-17 17:00:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 17:00:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 17:00:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-17 17:00:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-17 17:00:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 17:00:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 17:00:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 17:00:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 17:00:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 17:00:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 17:00:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 17:00:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-17 17:00:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 17:00:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 17:00:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 17:00:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 17:00:27,201 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 17:00:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 17:00:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 17:00:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-17 17:00:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-17 17:00:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 17:00:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-17 17:00:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 17:00:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 17:00:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 17:00:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 17:00:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 17:00:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 17:00:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 17:00:27,204 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 17:00:27,205 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 17:00:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 17:00:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 17:00:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 17:00:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 17:00:27,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 17:00:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 17:00:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 17:00:27,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 17:00:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 17:00:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 17:00:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 17:00:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 17:00:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 17:00:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 17:00:27,208 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 17:00:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 17:00:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 17:00:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 17:00:27,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 17:00:28,290 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 17:00:28,291 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 17:00:28,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:00:28 BoogieIcfgContainer [2020-07-17 17:00:28,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 17:00:28,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 17:00:28,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 17:00:28,302 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 17:00:28,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 05:00:26" (1/3) ... [2020-07-17 17:00:28,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21229c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 05:00:28, skipping insertion in model container [2020-07-17 17:00:28,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:00:27" (2/3) ... [2020-07-17 17:00:28,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21229c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 05:00:28, skipping insertion in model container [2020-07-17 17:00:28,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:00:28" (3/3) ... [2020-07-17 17:00:28,306 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64.cil.c [2020-07-17 17:00:28,316 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 17:00:28,325 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 17:00:28,339 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 17:00:28,361 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 17:00:28,361 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 17:00:28,361 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 17:00:28,362 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 17:00:28,362 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 17:00:28,362 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 17:00:28,362 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 17:00:28,363 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 17:00:28,383 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states. [2020-07-17 17:00:28,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-07-17 17:00:28,409 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:00:28,410 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:00:28,411 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:00:28,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:00:28,417 INFO L82 PathProgramCache]: Analyzing trace with hash -2061936998, now seen corresponding path program 1 times [2020-07-17 17:00:28,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:00:28,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [881631961] [2020-07-17 17:00:28,427 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:00:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:29,145 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 17:00:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:29,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:29,331 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-17 17:00:29,332 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [881631961] [2020-07-17 17:00:29,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:00:29,335 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 17:00:29,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585584934] [2020-07-17 17:00:29,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 17:00:29,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:00:29,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 17:00:29,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 17:00:29,362 INFO L87 Difference]: Start difference. First operand 369 states. Second operand 4 states. [2020-07-17 17:00:30,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:00:30,927 INFO L93 Difference]: Finished difference Result 604 states and 711 transitions. [2020-07-17 17:00:30,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 17:00:30,929 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-07-17 17:00:30,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:00:30,949 INFO L225 Difference]: With dead ends: 604 [2020-07-17 17:00:30,950 INFO L226 Difference]: Without dead ends: 371 [2020-07-17 17:00:30,955 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 17:00:30,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2020-07-17 17:00:31,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 318. [2020-07-17 17:00:31,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-07-17 17:00:31,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 350 transitions. [2020-07-17 17:00:31,176 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 350 transitions. Word has length 160 [2020-07-17 17:00:31,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:00:31,179 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 350 transitions. [2020-07-17 17:00:31,179 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 17:00:31,179 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 350 transitions. [2020-07-17 17:00:31,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-07-17 17:00:31,192 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:00:31,193 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:00:31,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 17:00:31,194 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:00:31,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:00:31,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1396350800, now seen corresponding path program 1 times [2020-07-17 17:00:31,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:00:31,195 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1796238334] [2020-07-17 17:00:31,195 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:00:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:31,616 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 17:00:31,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:31,721 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-17 17:00:31,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1796238334] [2020-07-17 17:00:31,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:00:31,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 17:00:31,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766402519] [2020-07-17 17:00:31,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 17:00:31,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:00:31,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 17:00:31,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 17:00:31,726 INFO L87 Difference]: Start difference. First operand 318 states and 350 transitions. Second operand 5 states. [2020-07-17 17:00:32,411 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 17:00:33,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:00:33,791 INFO L93 Difference]: Finished difference Result 523 states and 595 transitions. [2020-07-17 17:00:33,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 17:00:33,792 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-07-17 17:00:33,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:00:33,799 INFO L225 Difference]: With dead ends: 523 [2020-07-17 17:00:33,799 INFO L226 Difference]: Without dead ends: 360 [2020-07-17 17:00:33,801 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 17:00:33,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-07-17 17:00:33,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 308. [2020-07-17 17:00:33,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-07-17 17:00:33,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 337 transitions. [2020-07-17 17:00:33,892 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 337 transitions. Word has length 161 [2020-07-17 17:00:33,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:00:33,893 INFO L479 AbstractCegarLoop]: Abstraction has 308 states and 337 transitions. [2020-07-17 17:00:33,893 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 17:00:33,893 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 337 transitions. [2020-07-17 17:00:33,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-17 17:00:33,895 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:00:33,896 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:00:33,896 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 17:00:33,896 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:00:33,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:00:33,897 INFO L82 PathProgramCache]: Analyzing trace with hash -877752548, now seen corresponding path program 1 times [2020-07-17 17:00:33,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:00:33,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1380889751] [2020-07-17 17:00:33,897 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:00:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:34,238 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 17:00:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:34,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:34,408 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-17 17:00:34,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1380889751] [2020-07-17 17:00:34,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:00:34,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-17 17:00:34,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409120272] [2020-07-17 17:00:34,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 17:00:34,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:00:34,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 17:00:34,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-17 17:00:34,411 INFO L87 Difference]: Start difference. First operand 308 states and 337 transitions. Second operand 11 states. [2020-07-17 17:00:35,140 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:00:35,611 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:00:35,887 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:00:36,145 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 17:00:36,407 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 17:00:36,654 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 17:00:37,869 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 17:00:40,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:00:40,634 INFO L93 Difference]: Finished difference Result 869 states and 1014 transitions. [2020-07-17 17:00:40,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-17 17:00:40,639 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2020-07-17 17:00:40,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:00:40,644 INFO L225 Difference]: With dead ends: 869 [2020-07-17 17:00:40,645 INFO L226 Difference]: Without dead ends: 676 [2020-07-17 17:00:40,647 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-07-17 17:00:40,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2020-07-17 17:00:40,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 569. [2020-07-17 17:00:40,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 569 states. [2020-07-17 17:00:40,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 643 transitions. [2020-07-17 17:00:40,889 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 643 transitions. Word has length 174 [2020-07-17 17:00:40,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:00:40,890 INFO L479 AbstractCegarLoop]: Abstraction has 569 states and 643 transitions. [2020-07-17 17:00:40,890 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 17:00:40,890 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 643 transitions. [2020-07-17 17:00:40,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-07-17 17:00:40,901 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:00:40,902 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:00:40,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 17:00:40,902 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:00:40,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:00:40,903 INFO L82 PathProgramCache]: Analyzing trace with hash -827236399, now seen corresponding path program 1 times [2020-07-17 17:00:40,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:00:40,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1882399776] [2020-07-17 17:00:40,904 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:00:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:41,236 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 17:00:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:41,413 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-17 17:00:41,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1882399776] [2020-07-17 17:00:41,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:00:41,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-17 17:00:41,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385418534] [2020-07-17 17:00:41,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 17:00:41,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:00:41,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 17:00:41,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-17 17:00:41,416 INFO L87 Difference]: Start difference. First operand 569 states and 643 transitions. Second operand 10 states. [2020-07-17 17:00:41,894 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:00:42,787 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 17:00:43,050 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 17:00:44,286 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 17:00:44,540 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 17:00:44,785 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 17:00:45,136 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:00:45,371 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 17:00:45,653 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 17:00:46,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:00:46,797 INFO L93 Difference]: Finished difference Result 1334 states and 1595 transitions. [2020-07-17 17:00:46,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-17 17:00:46,797 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-07-17 17:00:46,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:00:46,804 INFO L225 Difference]: With dead ends: 1334 [2020-07-17 17:00:46,804 INFO L226 Difference]: Without dead ends: 880 [2020-07-17 17:00:46,806 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-07-17 17:00:46,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-07-17 17:00:47,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 787. [2020-07-17 17:00:47,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 787 states. [2020-07-17 17:00:47,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 885 transitions. [2020-07-17 17:00:47,085 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 885 transitions. Word has length 179 [2020-07-17 17:00:47,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:00:47,086 INFO L479 AbstractCegarLoop]: Abstraction has 787 states and 885 transitions. [2020-07-17 17:00:47,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 17:00:47,087 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 885 transitions. [2020-07-17 17:00:47,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-07-17 17:00:47,091 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:00:47,091 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:00:47,092 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 17:00:47,092 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:00:47,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:00:47,092 INFO L82 PathProgramCache]: Analyzing trace with hash -670557693, now seen corresponding path program 1 times [2020-07-17 17:00:47,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:00:47,093 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1722432245] [2020-07-17 17:00:47,093 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:00:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:47,353 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 17:00:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:47,667 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-17 17:00:47,668 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1722432245] [2020-07-17 17:00:47,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:00:47,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-17 17:00:47,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102333810] [2020-07-17 17:00:47,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 17:00:47,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:00:47,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 17:00:47,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-17 17:00:47,671 INFO L87 Difference]: Start difference. First operand 787 states and 885 transitions. Second operand 11 states. [2020-07-17 17:00:49,371 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 17:00:49,616 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 17:00:49,904 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-17 17:00:50,169 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 17:00:50,429 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:00:50,664 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 17:00:52,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:00:52,265 INFO L93 Difference]: Finished difference Result 1671 states and 2016 transitions. [2020-07-17 17:00:52,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 17:00:52,272 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 239 [2020-07-17 17:00:52,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:00:52,278 INFO L225 Difference]: With dead ends: 1671 [2020-07-17 17:00:52,278 INFO L226 Difference]: Without dead ends: 999 [2020-07-17 17:00:52,281 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-07-17 17:00:52,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2020-07-17 17:00:52,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 806. [2020-07-17 17:00:52,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 806 states. [2020-07-17 17:00:52,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 905 transitions. [2020-07-17 17:00:52,532 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 905 transitions. Word has length 239 [2020-07-17 17:00:52,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:00:52,533 INFO L479 AbstractCegarLoop]: Abstraction has 806 states and 905 transitions. [2020-07-17 17:00:52,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 17:00:52,533 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 905 transitions. [2020-07-17 17:00:52,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-07-17 17:00:52,537 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:00:52,538 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:00:52,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 17:00:52,538 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:00:52,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:00:52,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1083605603, now seen corresponding path program 1 times [2020-07-17 17:00:52,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:00:52,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1663956215] [2020-07-17 17:00:52,539 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:00:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:52,814 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 17:00:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:52,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:53,065 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-17 17:00:53,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1663956215] [2020-07-17 17:00:53,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:00:53,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-17 17:00:53,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220232997] [2020-07-17 17:00:53,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-17 17:00:53,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:00:53,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-17 17:00:53,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-07-17 17:00:53,068 INFO L87 Difference]: Start difference. First operand 806 states and 905 transitions. Second operand 14 states. [2020-07-17 17:00:53,683 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 17:00:53,937 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 17:00:54,188 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 17:00:54,437 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:00:54,674 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 17:00:55,851 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 17:00:56,103 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:00:56,397 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 17:00:56,687 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:00:56,952 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 17:00:58,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:00:58,884 INFO L93 Difference]: Finished difference Result 1708 states and 2054 transitions. [2020-07-17 17:00:58,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-17 17:00:58,884 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 239 [2020-07-17 17:00:58,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:00:58,891 INFO L225 Difference]: With dead ends: 1708 [2020-07-17 17:00:58,891 INFO L226 Difference]: Without dead ends: 1017 [2020-07-17 17:00:58,894 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-07-17 17:00:58,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2020-07-17 17:00:59,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 818. [2020-07-17 17:00:59,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2020-07-17 17:00:59,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 917 transitions. [2020-07-17 17:00:59,095 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 917 transitions. Word has length 239 [2020-07-17 17:00:59,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:00:59,096 INFO L479 AbstractCegarLoop]: Abstraction has 818 states and 917 transitions. [2020-07-17 17:00:59,096 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-17 17:00:59,096 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 917 transitions. [2020-07-17 17:00:59,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-07-17 17:00:59,099 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:00:59,099 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:00:59,099 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 17:00:59,099 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:00:59,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:00:59,100 INFO L82 PathProgramCache]: Analyzing trace with hash -247892448, now seen corresponding path program 1 times [2020-07-17 17:00:59,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:00:59,100 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1664990613] [2020-07-17 17:00:59,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:00:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:59,372 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 17:00:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:59,676 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-17 17:00:59,676 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1664990613] [2020-07-17 17:00:59,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:00:59,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 17:00:59,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332705568] [2020-07-17 17:00:59,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 17:00:59,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:00:59,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 17:00:59,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 17:00:59,679 INFO L87 Difference]: Start difference. First operand 818 states and 917 transitions. Second operand 8 states. [2020-07-17 17:01:00,232 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:01:00,812 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:01:04,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:01:04,456 INFO L93 Difference]: Finished difference Result 2497 states and 3038 transitions. [2020-07-17 17:01:04,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-17 17:01:04,456 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 239 [2020-07-17 17:01:04,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:01:04,468 INFO L225 Difference]: With dead ends: 2497 [2020-07-17 17:01:04,468 INFO L226 Difference]: Without dead ends: 1794 [2020-07-17 17:01:04,472 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 52 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2020-07-17 17:01:04,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1794 states. [2020-07-17 17:01:04,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1794 to 1526. [2020-07-17 17:01:04,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-07-17 17:01:05,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1740 transitions. [2020-07-17 17:01:05,006 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1740 transitions. Word has length 239 [2020-07-17 17:01:05,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:01:05,006 INFO L479 AbstractCegarLoop]: Abstraction has 1526 states and 1740 transitions. [2020-07-17 17:01:05,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 17:01:05,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1740 transitions. [2020-07-17 17:01:05,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-07-17 17:01:05,010 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:01:05,010 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:01:05,010 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 17:01:05,011 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:01:05,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:01:05,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1352362414, now seen corresponding path program 1 times [2020-07-17 17:01:05,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:01:05,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1688210163] [2020-07-17 17:01:05,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:01:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:05,408 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 17:01:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:05,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:05,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:05,675 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-17 17:01:05,675 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1688210163] [2020-07-17 17:01:05,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:01:05,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-07-17 17:01:05,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346410324] [2020-07-17 17:01:05,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-17 17:01:05,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:01:05,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-17 17:01:05,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-07-17 17:01:05,678 INFO L87 Difference]: Start difference. First operand 1526 states and 1740 transitions. Second operand 15 states. [2020-07-17 17:01:06,346 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-17 17:01:07,208 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:01:08,348 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-17 17:01:08,816 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-17 17:01:09,140 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 17:01:09,389 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 17:01:09,857 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-17 17:01:10,110 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 17:01:10,485 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 17:01:10,729 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 17:01:14,030 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-17 17:01:14,534 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:01:14,780 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 17:01:15,211 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 17:01:16,523 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 17:01:16,965 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-17 17:01:17,441 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-17 17:01:18,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:01:18,432 INFO L93 Difference]: Finished difference Result 4717 states and 5770 transitions. [2020-07-17 17:01:18,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-07-17 17:01:18,433 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 244 [2020-07-17 17:01:18,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:01:18,453 INFO L225 Difference]: With dead ends: 4717 [2020-07-17 17:01:18,453 INFO L226 Difference]: Without dead ends: 3597 [2020-07-17 17:01:18,461 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=816, Invalid=3216, Unknown=0, NotChecked=0, Total=4032 [2020-07-17 17:01:18,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3597 states. [2020-07-17 17:01:19,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3597 to 2881. [2020-07-17 17:01:19,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2881 states. [2020-07-17 17:01:19,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2881 states and 3261 transitions. [2020-07-17 17:01:19,873 INFO L78 Accepts]: Start accepts. Automaton has 2881 states and 3261 transitions. Word has length 244 [2020-07-17 17:01:19,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:01:19,874 INFO L479 AbstractCegarLoop]: Abstraction has 2881 states and 3261 transitions. [2020-07-17 17:01:19,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-17 17:01:19,874 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states and 3261 transitions. [2020-07-17 17:01:19,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-07-17 17:01:19,880 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:01:19,881 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:01:19,881 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 17:01:19,881 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:01:19,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:01:19,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1556177142, now seen corresponding path program 1 times [2020-07-17 17:01:19,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:01:19,882 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [719582085] [2020-07-17 17:01:19,882 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:01:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,188 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 17:01:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:20,773 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 34 proven. 11 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-07-17 17:01:20,773 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [719582085] [2020-07-17 17:01:20,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:01:20,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-07-17 17:01:20,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605847745] [2020-07-17 17:01:20,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-17 17:01:20,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:01:20,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-17 17:01:20,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-07-17 17:01:20,776 INFO L87 Difference]: Start difference. First operand 2881 states and 3261 transitions. Second operand 19 states. [2020-07-17 17:01:21,461 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 17:01:21,829 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-17 17:01:22,100 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-07-17 17:01:22,368 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 17:01:22,626 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-17 17:01:22,872 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 17:01:23,822 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-07-17 17:01:24,211 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-17 17:01:24,548 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-17 17:01:24,814 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 17:01:25,266 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-17 17:01:25,597 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-07-17 17:01:25,899 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-17 17:01:28,136 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:01:29,499 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-17 17:01:29,981 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-17 17:01:30,514 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-17 17:01:30,900 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:01:31,602 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 17:01:32,158 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-07-17 17:01:32,481 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-07-17 17:01:33,494 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-07-17 17:01:34,088 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:01:34,571 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-07-17 17:01:35,097 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-07-17 17:01:36,255 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-07-17 17:01:38,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:01:38,276 INFO L93 Difference]: Finished difference Result 6442 states and 7572 transitions. [2020-07-17 17:01:38,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-07-17 17:01:38,277 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 358 [2020-07-17 17:01:38,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:01:38,298 INFO L225 Difference]: With dead ends: 6442 [2020-07-17 17:01:38,298 INFO L226 Difference]: Without dead ends: 3952 [2020-07-17 17:01:38,309 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2509 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=1475, Invalid=6535, Unknown=0, NotChecked=0, Total=8010 [2020-07-17 17:01:38,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2020-07-17 17:01:39,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3301. [2020-07-17 17:01:39,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3301 states. [2020-07-17 17:01:39,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3301 states to 3301 states and 3666 transitions. [2020-07-17 17:01:39,513 INFO L78 Accepts]: Start accepts. Automaton has 3301 states and 3666 transitions. Word has length 358 [2020-07-17 17:01:39,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:01:39,514 INFO L479 AbstractCegarLoop]: Abstraction has 3301 states and 3666 transitions. [2020-07-17 17:01:39,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-17 17:01:39,514 INFO L276 IsEmpty]: Start isEmpty. Operand 3301 states and 3666 transitions. [2020-07-17 17:01:39,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2020-07-17 17:01:39,526 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:01:39,527 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:01:39,527 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-17 17:01:39,527 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:01:39,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:01:39,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1189855279, now seen corresponding path program 1 times [2020-07-17 17:01:39,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:01:39,528 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [431639126] [2020-07-17 17:01:39,528 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:01:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:39,880 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 17:01:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:40,935 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 165 proven. 63 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2020-07-17 17:01:40,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [431639126] [2020-07-17 17:01:40,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:01:40,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-07-17 17:01:40,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341611113] [2020-07-17 17:01:40,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-17 17:01:40,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:01:40,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-17 17:01:40,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2020-07-17 17:01:40,940 INFO L87 Difference]: Start difference. First operand 3301 states and 3666 transitions. Second operand 18 states. [2020-07-17 17:01:42,600 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 17:01:42,934 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 17:01:43,196 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:01:43,457 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:01:43,697 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:01:43,939 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:01:45,297 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:01:45,585 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:01:52,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:01:52,778 INFO L93 Difference]: Finished difference Result 9314 states and 10883 transitions. [2020-07-17 17:01:52,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-07-17 17:01:52,779 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 610 [2020-07-17 17:01:52,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:01:52,823 INFO L225 Difference]: With dead ends: 9314 [2020-07-17 17:01:52,823 INFO L226 Difference]: Without dead ends: 5601 [2020-07-17 17:01:52,843 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 148 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 569 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=521, Invalid=1831, Unknown=0, NotChecked=0, Total=2352 [2020-07-17 17:01:52,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5601 states. [2020-07-17 17:01:54,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5601 to 4416. [2020-07-17 17:01:54,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4416 states. [2020-07-17 17:01:54,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4416 states to 4416 states and 4987 transitions. [2020-07-17 17:01:54,349 INFO L78 Accepts]: Start accepts. Automaton has 4416 states and 4987 transitions. Word has length 610 [2020-07-17 17:01:54,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:01:54,350 INFO L479 AbstractCegarLoop]: Abstraction has 4416 states and 4987 transitions. [2020-07-17 17:01:54,350 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-17 17:01:54,350 INFO L276 IsEmpty]: Start isEmpty. Operand 4416 states and 4987 transitions. [2020-07-17 17:01:54,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566 [2020-07-17 17:01:54,365 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:01:54,366 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 17:01:54,366 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-17 17:01:54,367 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:01:54,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:01:54,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1723586680, now seen corresponding path program 1 times [2020-07-17 17:01:54,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:01:54,368 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [710048920] [2020-07-17 17:01:54,368 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:01:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,738 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 17:01:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:01:55,319 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 133 proven. 47 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2020-07-17 17:01:55,320 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [710048920] [2020-07-17 17:01:55,320 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:01:55,320 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-07-17 17:01:55,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802351570] [2020-07-17 17:01:55,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-17 17:01:55,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:01:55,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-17 17:01:55,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-07-17 17:01:55,322 INFO L87 Difference]: Start difference. First operand 4416 states and 4987 transitions. Second operand 19 states. [2020-07-17 17:01:55,842 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:01:56,182 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 17:01:56,440 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 17:01:56,690 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:01:56,941 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 17:01:57,177 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:01:58,178 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 17:01:58,442 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 17:02:00,136 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 17:02:00,414 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 17:02:00,708 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 17:02:01,168 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:02:02,253 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 17:02:02,504 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 17:02:03,970 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 17:02:04,219 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 17:02:04,463 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 17:02:06,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:02:06,811 INFO L93 Difference]: Finished difference Result 8906 states and 10334 transitions. [2020-07-17 17:02:06,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-07-17 17:02:06,811 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 565 [2020-07-17 17:02:06,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:02:06,839 INFO L225 Difference]: With dead ends: 8906 [2020-07-17 17:02:06,839 INFO L226 Difference]: Without dead ends: 4917 [2020-07-17 17:02:06,853 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 869 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=674, Invalid=2748, Unknown=0, NotChecked=0, Total=3422 [2020-07-17 17:02:06,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4917 states. [2020-07-17 17:02:08,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4917 to 4317. [2020-07-17 17:02:08,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4317 states. [2020-07-17 17:02:08,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4317 states to 4317 states and 4846 transitions. [2020-07-17 17:02:08,275 INFO L78 Accepts]: Start accepts. Automaton has 4317 states and 4846 transitions. Word has length 565 [2020-07-17 17:02:08,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:02:08,276 INFO L479 AbstractCegarLoop]: Abstraction has 4317 states and 4846 transitions. [2020-07-17 17:02:08,276 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-17 17:02:08,276 INFO L276 IsEmpty]: Start isEmpty. Operand 4317 states and 4846 transitions. [2020-07-17 17:02:08,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2020-07-17 17:02:08,290 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:02:08,291 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 17:02:08,291 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-17 17:02:08,291 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:02:08,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:02:08,291 INFO L82 PathProgramCache]: Analyzing trace with hash -2109022301, now seen corresponding path program 1 times [2020-07-17 17:02:08,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:02:08,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [475763881] [2020-07-17 17:02:08,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:02:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,621 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 17:02:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:09,227 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 123 proven. 11 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2020-07-17 17:02:09,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [475763881] [2020-07-17 17:02:09,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:02:09,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-07-17 17:02:09,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700525996] [2020-07-17 17:02:09,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-17 17:02:09,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:02:09,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-17 17:02:09,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-07-17 17:02:09,230 INFO L87 Difference]: Start difference. First operand 4317 states and 4846 transitions. Second operand 17 states. [2020-07-17 17:02:09,730 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:02:10,814 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 17:02:13,310 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:02:13,608 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:02:13,944 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:02:14,214 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 17:02:14,473 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:02:14,739 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 17:02:14,989 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:02:15,258 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:02:15,520 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 17:02:15,819 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 17:02:16,082 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 17:02:16,351 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 17:02:18,940 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:02:19,437 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-07-17 17:02:19,902 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-07-17 17:02:20,171 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 17:02:20,463 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-17 17:02:20,730 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-07-17 17:02:25,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:02:25,071 INFO L93 Difference]: Finished difference Result 13711 states and 16025 transitions. [2020-07-17 17:02:25,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-07-17 17:02:25,071 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 570 [2020-07-17 17:02:25,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:02:25,122 INFO L225 Difference]: With dead ends: 13711 [2020-07-17 17:02:25,122 INFO L226 Difference]: Without dead ends: 9522 [2020-07-17 17:02:25,141 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 143 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1221 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=835, Invalid=3455, Unknown=0, NotChecked=0, Total=4290 [2020-07-17 17:02:25,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9522 states. [2020-07-17 17:02:29,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9522 to 8395. [2020-07-17 17:02:29,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8395 states. [2020-07-17 17:02:29,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8395 states to 8395 states and 9340 transitions. [2020-07-17 17:02:29,191 INFO L78 Accepts]: Start accepts. Automaton has 8395 states and 9340 transitions. Word has length 570 [2020-07-17 17:02:29,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:02:29,192 INFO L479 AbstractCegarLoop]: Abstraction has 8395 states and 9340 transitions. [2020-07-17 17:02:29,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-17 17:02:29,192 INFO L276 IsEmpty]: Start isEmpty. Operand 8395 states and 9340 transitions. [2020-07-17 17:02:29,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 631 [2020-07-17 17:02:29,217 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:02:29,217 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:02:29,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-17 17:02:29,218 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:02:29,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:02:29,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1716226459, now seen corresponding path program 1 times [2020-07-17 17:02:29,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:02:29,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1837981202] [2020-07-17 17:02:29,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:02:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:29,519 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 17:02:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:30,386 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 117 proven. 57 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2020-07-17 17:02:30,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1837981202] [2020-07-17 17:02:30,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:02:30,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-07-17 17:02:30,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226098733] [2020-07-17 17:02:30,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-17 17:02:30,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:02:30,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-17 17:02:30,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2020-07-17 17:02:30,388 INFO L87 Difference]: Start difference. First operand 8395 states and 9340 transitions. Second operand 24 states. [2020-07-17 17:02:30,921 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:02:31,282 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 17:02:31,540 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 17:02:31,794 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:02:32,045 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 17:02:32,286 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:02:33,198 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:02:36,029 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:02:36,336 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:02:36,701 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:02:36,978 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:02:37,282 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:02:37,550 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:02:37,808 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:02:38,082 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:02:38,347 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:02:38,657 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:02:38,922 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:02:39,212 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:02:39,723 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-17 17:02:40,295 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-17 17:02:40,782 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-17 17:02:47,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:02:47,965 INFO L93 Difference]: Finished difference Result 18400 states and 21530 transitions. [2020-07-17 17:02:47,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-07-17 17:02:47,966 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 630 [2020-07-17 17:02:47,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:02:48,013 INFO L225 Difference]: With dead ends: 18400 [2020-07-17 17:02:48,014 INFO L226 Difference]: Without dead ends: 10721 [2020-07-17 17:02:48,038 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 161 SyntacticMatches, 4 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2137 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=1317, Invalid=5823, Unknown=0, NotChecked=0, Total=7140 [2020-07-17 17:02:48,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10721 states. [2020-07-17 17:02:50,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10721 to 8025. [2020-07-17 17:02:50,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8025 states. [2020-07-17 17:02:50,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8025 states to 8025 states and 8883 transitions. [2020-07-17 17:02:50,582 INFO L78 Accepts]: Start accepts. Automaton has 8025 states and 8883 transitions. Word has length 630 [2020-07-17 17:02:50,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:02:50,582 INFO L479 AbstractCegarLoop]: Abstraction has 8025 states and 8883 transitions. [2020-07-17 17:02:50,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-17 17:02:50,583 INFO L276 IsEmpty]: Start isEmpty. Operand 8025 states and 8883 transitions. [2020-07-17 17:02:50,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2020-07-17 17:02:50,604 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:02:50,604 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 17:02:50,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-17 17:02:50,605 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:02:50,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:02:50,605 INFO L82 PathProgramCache]: Analyzing trace with hash -579253153, now seen corresponding path program 1 times [2020-07-17 17:02:50,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:02:50,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [27444546] [2020-07-17 17:02:50,606 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:02:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:50,903 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 17:02:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:02:51,628 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 128 proven. 31 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2020-07-17 17:02:51,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [27444546] [2020-07-17 17:02:51,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:02:51,629 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-07-17 17:02:51,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839885627] [2020-07-17 17:02:51,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-17 17:02:51,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:02:51,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-17 17:02:51,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-07-17 17:02:51,630 INFO L87 Difference]: Start difference. First operand 8025 states and 8883 transitions. Second operand 23 states. [2020-07-17 17:02:52,200 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:02:52,556 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 17:02:53,015 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 17:02:53,269 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:02:53,521 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 17:02:53,758 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:02:54,728 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:02:57,602 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:02:57,909 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:02:58,286 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:02:58,565 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:02:58,829 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:02:59,099 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:02:59,355 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:02:59,635 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:02:59,910 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:03:00,225 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:03:00,496 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:03:00,779 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:03:03,840 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-17 17:03:04,353 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-17 17:03:04,836 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-17 17:03:10,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:03:10,063 INFO L93 Difference]: Finished difference Result 17284 states and 20192 transitions. [2020-07-17 17:03:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2020-07-17 17:03:10,063 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 580 [2020-07-17 17:03:10,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:03:10,104 INFO L225 Difference]: With dead ends: 17284 [2020-07-17 17:03:10,104 INFO L226 Difference]: Without dead ends: 9975 [2020-07-17 17:03:10,124 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 158 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2124 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=1293, Invalid=5847, Unknown=0, NotChecked=0, Total=7140 [2020-07-17 17:03:10,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9975 states. [2020-07-17 17:03:12,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9975 to 7333. [2020-07-17 17:03:12,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7333 states. [2020-07-17 17:03:12,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7333 states to 7333 states and 8113 transitions. [2020-07-17 17:03:12,700 INFO L78 Accepts]: Start accepts. Automaton has 7333 states and 8113 transitions. Word has length 580 [2020-07-17 17:03:12,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:03:12,701 INFO L479 AbstractCegarLoop]: Abstraction has 7333 states and 8113 transitions. [2020-07-17 17:03:12,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-17 17:03:12,701 INFO L276 IsEmpty]: Start isEmpty. Operand 7333 states and 8113 transitions. [2020-07-17 17:03:12,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2020-07-17 17:03:12,717 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:03:12,718 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 17:03:12,718 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-17 17:03:12,718 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:03:12,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:03:12,719 INFO L82 PathProgramCache]: Analyzing trace with hash -1899800669, now seen corresponding path program 2 times [2020-07-17 17:03:12,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:03:12,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [289404054] [2020-07-17 17:03:12,719 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:03:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,034 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 17:03:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:14,611 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 128 proven. 47 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2020-07-17 17:03:14,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [289404054] [2020-07-17 17:03:14,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:03:14,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-07-17 17:03:14,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853483646] [2020-07-17 17:03:14,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-17 17:03:14,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:03:14,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-17 17:03:14,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-07-17 17:03:14,614 INFO L87 Difference]: Start difference. First operand 7333 states and 8113 transitions. Second operand 18 states. [2020-07-17 17:03:15,159 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:03:16,805 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:03:17,075 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:03:17,574 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-17 17:03:17,832 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 17:03:18,319 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-07-17 17:03:18,569 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 17:03:19,031 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-17 17:03:19,323 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 17:03:19,595 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:03:19,888 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-07-17 17:03:20,159 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 17:03:20,612 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-17 17:03:21,974 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:03:22,280 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:03:22,823 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-17 17:03:23,363 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 196 [2020-07-17 17:03:23,872 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-17 17:03:24,639 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-17 17:03:25,151 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2020-07-17 17:03:29,162 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:03:29,984 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:03:30,268 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:03:30,759 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-17 17:03:31,270 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-17 17:03:31,737 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-17 17:03:38,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:03:38,987 INFO L93 Difference]: Finished difference Result 19318 states and 23232 transitions. [2020-07-17 17:03:38,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2020-07-17 17:03:38,988 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 580 [2020-07-17 17:03:38,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:03:39,045 INFO L225 Difference]: With dead ends: 19318 [2020-07-17 17:03:39,045 INFO L226 Difference]: Without dead ends: 14869 [2020-07-17 17:03:39,066 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 182 SyntacticMatches, 5 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4117 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=1987, Invalid=9785, Unknown=0, NotChecked=0, Total=11772 [2020-07-17 17:03:39,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14869 states. [2020-07-17 17:03:43,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14869 to 10429. [2020-07-17 17:03:43,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10429 states. [2020-07-17 17:03:43,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10429 states to 10429 states and 11451 transitions. [2020-07-17 17:03:43,332 INFO L78 Accepts]: Start accepts. Automaton has 10429 states and 11451 transitions. Word has length 580 [2020-07-17 17:03:43,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:03:43,333 INFO L479 AbstractCegarLoop]: Abstraction has 10429 states and 11451 transitions. [2020-07-17 17:03:43,333 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-17 17:03:43,333 INFO L276 IsEmpty]: Start isEmpty. Operand 10429 states and 11451 transitions. [2020-07-17 17:03:43,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2020-07-17 17:03:43,356 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:03:43,357 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:03:43,357 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-17 17:03:43,357 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:03:43,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:03:43,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1198327308, now seen corresponding path program 1 times [2020-07-17 17:03:43,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:03:43,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [690372070] [2020-07-17 17:03:43,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:03:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:43,721 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 17:03:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:03:44,737 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 214 proven. 80 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2020-07-17 17:03:44,737 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [690372070] [2020-07-17 17:03:44,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:03:44,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-07-17 17:03:44,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180064374] [2020-07-17 17:03:44,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-17 17:03:44,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:03:44,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-17 17:03:44,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2020-07-17 17:03:44,740 INFO L87 Difference]: Start difference. First operand 10429 states and 11451 transitions. Second operand 20 states. [2020-07-17 17:03:45,311 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:03:46,310 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:03:47,584 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:03:47,881 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:03:48,426 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-17 17:03:48,733 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:03:49,246 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-17 17:03:50,085 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:03:50,554 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-17 17:03:50,888 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 17:03:51,198 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:03:51,487 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 17:03:51,791 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 17:03:53,244 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:03:53,544 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:04:03,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:04:03,238 INFO L93 Difference]: Finished difference Result 21715 states and 25494 transitions. [2020-07-17 17:04:03,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-07-17 17:04:03,239 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 710 [2020-07-17 17:04:03,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:04:03,309 INFO L225 Difference]: With dead ends: 21715 [2020-07-17 17:04:03,310 INFO L226 Difference]: Without dead ends: 15024 [2020-07-17 17:04:03,335 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 203 SyntacticMatches, 5 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2311 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=1373, Invalid=5599, Unknown=0, NotChecked=0, Total=6972 [2020-07-17 17:04:03,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15024 states. [2020-07-17 17:04:06,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15024 to 10665. [2020-07-17 17:04:06,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10665 states. [2020-07-17 17:04:06,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10665 states to 10665 states and 11673 transitions. [2020-07-17 17:04:06,997 INFO L78 Accepts]: Start accepts. Automaton has 10665 states and 11673 transitions. Word has length 710 [2020-07-17 17:04:06,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:04:06,997 INFO L479 AbstractCegarLoop]: Abstraction has 10665 states and 11673 transitions. [2020-07-17 17:04:06,997 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-17 17:04:06,998 INFO L276 IsEmpty]: Start isEmpty. Operand 10665 states and 11673 transitions. [2020-07-17 17:04:07,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2020-07-17 17:04:07,015 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:04:07,015 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:04:07,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-17 17:04:07,016 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:04:07,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:04:07,016 INFO L82 PathProgramCache]: Analyzing trace with hash -2002811095, now seen corresponding path program 1 times [2020-07-17 17:04:07,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:04:07,016 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [21993457] [2020-07-17 17:04:07,017 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:04:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,368 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 17:04:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:08,052 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 178 proven. 62 refuted. 0 times theorem prover too weak. 589 trivial. 0 not checked. [2020-07-17 17:04:08,052 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [21993457] [2020-07-17 17:04:08,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:04:08,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-07-17 17:04:08,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288114196] [2020-07-17 17:04:08,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-17 17:04:08,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:04:08,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-17 17:04:08,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2020-07-17 17:04:08,054 INFO L87 Difference]: Start difference. First operand 10665 states and 11673 transitions. Second operand 18 states. [2020-07-17 17:04:09,520 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:04:10,916 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:04:15,722 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-17 17:04:16,048 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-07-17 17:04:16,326 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:04:16,608 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:04:16,870 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:04:17,323 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-17 17:04:24,147 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-17 17:04:24,457 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-07-17 17:04:24,750 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 17:04:25,050 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-17 17:04:25,326 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 17:04:26,946 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-07-17 17:04:27,471 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-07-17 17:04:31,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:04:31,980 INFO L93 Difference]: Finished difference Result 31809 states and 37187 transitions. [2020-07-17 17:04:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2020-07-17 17:04:31,981 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 661 [2020-07-17 17:04:31,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:04:32,047 INFO L225 Difference]: With dead ends: 31809 [2020-07-17 17:04:32,048 INFO L226 Difference]: Without dead ends: 21453 [2020-07-17 17:04:32,071 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 188 SyntacticMatches, 10 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2866 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=1629, Invalid=7113, Unknown=0, NotChecked=0, Total=8742 [2020-07-17 17:04:32,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21453 states. [2020-07-17 17:04:38,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21453 to 14328. [2020-07-17 17:04:38,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14328 states. [2020-07-17 17:04:38,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14328 states to 14328 states and 15641 transitions. [2020-07-17 17:04:38,111 INFO L78 Accepts]: Start accepts. Automaton has 14328 states and 15641 transitions. Word has length 661 [2020-07-17 17:04:38,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:04:38,111 INFO L479 AbstractCegarLoop]: Abstraction has 14328 states and 15641 transitions. [2020-07-17 17:04:38,111 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-17 17:04:38,111 INFO L276 IsEmpty]: Start isEmpty. Operand 14328 states and 15641 transitions. [2020-07-17 17:04:38,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2020-07-17 17:04:38,127 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:04:38,128 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:04:38,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-07-17 17:04:38,128 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:04:38,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:04:38,128 INFO L82 PathProgramCache]: Analyzing trace with hash 503243465, now seen corresponding path program 1 times [2020-07-17 17:04:38,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:04:38,129 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [672319061] [2020-07-17 17:04:38,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:04:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,445 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 17:04:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:04:39,103 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 165 proven. 12 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2020-07-17 17:04:39,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [672319061] [2020-07-17 17:04:39,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:04:39,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-07-17 17:04:39,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702121320] [2020-07-17 17:04:39,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-17 17:04:39,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:04:39,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-17 17:04:39,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2020-07-17 17:04:39,105 INFO L87 Difference]: Start difference. First operand 14328 states and 15641 transitions. Second operand 19 states. [2020-07-17 17:04:39,797 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 17:04:40,049 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 17:04:40,297 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 17:04:40,561 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:04:40,817 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 17:04:44,985 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 17:04:45,249 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:04:45,519 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 17:04:45,798 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 17:04:46,090 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:04:46,350 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 17:04:47,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:04:47,770 INFO L93 Difference]: Finished difference Result 17179 states and 19013 transitions. [2020-07-17 17:04:47,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-07-17 17:04:47,770 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 661 [2020-07-17 17:04:47,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:04:47,774 INFO L225 Difference]: With dead ends: 17179 [2020-07-17 17:04:47,774 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 17:04:47,802 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=574, Invalid=1778, Unknown=0, NotChecked=0, Total=2352 [2020-07-17 17:04:47,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 17:04:47,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 17:04:47,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 17:04:47,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 17:04:47,805 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 661 [2020-07-17 17:04:47,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:04:47,805 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 17:04:47,805 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-17 17:04:47,806 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 17:04:47,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 17:04:47,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-07-17 17:04:47,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 17:04:48,471 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 201 [2020-07-17 17:04:48,801 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 201 [2020-07-17 17:04:48,922 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 203 [2020-07-17 17:04:49,342 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 202 [2020-07-17 17:04:51,582 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-07-17 17:05:05,502 WARN L193 SmtUtils]: Spent 11.49 s on a formula simplification. DAG size of input: 1305 DAG size of output: 1002 [2020-07-17 17:05:13,075 WARN L193 SmtUtils]: Spent 7.57 s on a formula simplification. DAG size of input: 1052 DAG size of output: 818 [2020-07-17 17:05:14,179 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 202 [2020-07-17 17:05:14,746 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 203 [2020-07-17 17:05:15,104 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 242 [2020-07-17 17:05:16,388 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:05:16,726 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 209 [2020-07-17 17:05:16,843 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 201 [2020-07-17 17:05:17,273 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 241 [2020-07-17 17:05:17,816 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 257 [2020-07-17 17:05:18,138 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 250 [2020-07-17 17:05:19,523 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 253 [2020-07-17 17:05:19,880 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2020-07-17 17:05:20,012 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 254 [2020-07-17 17:05:20,254 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 252 [2020-07-17 17:05:20,546 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 248 [2020-07-17 17:05:20,822 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 254 [2020-07-17 17:05:24,076 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 246 [2020-07-17 17:05:25,141 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 210 [2020-07-17 17:05:25,638 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 244 [2020-07-17 17:05:26,605 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 246 [2020-07-17 17:05:27,414 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 207 [2020-07-17 17:05:27,726 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 210 [2020-07-17 17:05:28,232 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 244 [2020-07-17 17:05:28,728 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 212 [2020-07-17 17:05:28,889 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 212 [2020-07-17 17:05:29,065 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 212 [2020-07-17 17:05:29,199 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 212 [2020-07-17 17:05:29,345 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 212 [2020-07-17 17:05:29,480 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 212 [2020-07-17 17:05:30,424 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 202 [2020-07-17 17:05:37,131 WARN L193 SmtUtils]: Spent 6.30 s on a formula simplification. DAG size of input: 1019 DAG size of output: 778 [2020-07-17 17:05:41,474 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 243 [2020-07-17 17:05:42,687 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 243 [2020-07-17 17:05:43,766 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 243 [2020-07-17 17:05:44,040 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 245 [2020-07-17 17:05:45,203 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 212 [2020-07-17 17:05:45,347 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 212 [2020-07-17 17:05:55,330 WARN L193 SmtUtils]: Spent 7.32 s on a formula simplification. DAG size of input: 1052 DAG size of output: 818 [2020-07-17 17:06:02,514 WARN L193 SmtUtils]: Spent 7.16 s on a formula simplification. DAG size of input: 1052 DAG size of output: 818 [2020-07-17 17:06:07,169 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 199 [2020-07-17 17:06:07,350 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 199 [2020-07-17 17:06:07,733 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 199 [2020-07-17 17:06:07,907 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 199 [2020-07-17 17:06:08,026 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 202 [2020-07-17 17:06:08,143 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 199 [2020-07-17 17:06:08,299 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 202 [2020-07-17 17:06:08,449 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 202 [2020-07-17 17:06:08,713 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 202 [2020-07-17 17:06:08,837 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 199 [2020-07-17 17:06:09,307 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 199 [2020-07-17 17:06:09,423 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 199 [2020-07-17 17:06:09,932 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 202 [2020-07-17 17:06:10,078 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 199 [2020-07-17 17:06:10,720 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:06:10,923 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:06:11,239 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 242 [2020-07-17 17:06:11,356 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:06:11,498 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:06:11,679 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:06:12,333 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 203 [2020-07-17 17:06:13,695 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:06:13,821 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:06:14,049 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:06:14,151 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 209 [2020-07-17 17:06:14,264 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 241 [2020-07-17 17:06:14,374 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 241 [2020-07-17 17:06:14,573 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 209 [2020-07-17 17:06:15,156 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:06:15,266 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:06:15,522 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 209 [2020-07-17 17:06:22,396 WARN L193 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 896 DAG size of output: 616 [2020-07-17 17:06:28,544 WARN L193 SmtUtils]: Spent 6.14 s on a formula simplification. DAG size of input: 893 DAG size of output: 662 [2020-07-17 17:06:41,808 WARN L193 SmtUtils]: Spent 6.22 s on a formula simplification. DAG size of input: 997 DAG size of output: 764 [2020-07-17 17:06:48,646 WARN L193 SmtUtils]: Spent 6.10 s on a formula simplification. DAG size of input: 997 DAG size of output: 764 [2020-07-17 17:06:53,048 WARN L193 SmtUtils]: Spent 4.40 s on a formula simplification. DAG size of input: 779 DAG size of output: 630 [2020-07-17 17:06:55,631 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 245 [2020-07-17 17:06:55,955 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 249 [2020-07-17 17:06:56,187 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 251 [2020-07-17 17:06:56,324 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 200 [2020-07-17 17:06:56,461 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 212 [2020-07-17 17:06:56,719 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 200 [2020-07-17 17:06:56,835 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 200 [2020-07-17 17:06:56,952 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 200 [2020-07-17 17:06:57,207 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 206 [2020-07-17 17:06:57,349 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 212 [2020-07-17 17:06:57,572 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 212 [2020-07-17 17:06:57,704 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 212 [2020-07-17 17:06:57,848 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 200 [2020-07-17 17:06:57,968 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 206 [2020-07-17 17:06:58,255 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 212 [2020-07-17 17:06:58,415 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 212 [2020-07-17 17:06:58,611 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 206 [2020-07-17 17:06:58,913 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 200 [2020-07-17 17:06:59,110 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 200 [2020-07-17 17:06:59,258 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 200 [2020-07-17 17:06:59,417 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 206 [2020-07-17 17:06:59,559 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 206 [2020-07-17 17:06:59,833 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 200 [2020-07-17 17:07:01,881 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 242 [2020-07-17 17:07:02,868 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:07:03,123 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 209 [2020-07-17 17:07:03,621 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 241 [2020-07-17 17:07:10,440 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 251 [2020-07-17 17:07:10,789 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 251 [2020-07-17 17:07:10,972 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 251 [2020-07-17 17:07:11,165 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 251 [2020-07-17 17:07:11,455 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 253 [2020-07-17 17:07:11,928 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 251 [2020-07-17 17:07:12,120 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 253 [2020-07-17 17:07:12,659 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 253 [2020-07-17 17:07:13,030 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 251 [2020-07-17 17:07:13,278 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 251 [2020-07-17 17:07:13,488 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 251 [2020-07-17 17:07:13,711 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 253 [2020-07-17 17:07:13,902 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 253 [2020-07-17 17:07:14,184 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 251 [2020-07-17 17:07:18,101 WARN L193 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 896 DAG size of output: 616 [2020-07-17 17:07:19,769 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 239 [2020-07-17 17:07:27,835 WARN L193 SmtUtils]: Spent 7.16 s on a formula simplification. DAG size of input: 1052 DAG size of output: 818 [2020-07-17 17:07:29,168 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 245 [2020-07-17 17:07:29,337 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 249 [2020-07-17 17:07:29,722 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 251 [2020-07-17 17:07:35,433 WARN L193 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 896 DAG size of output: 616 [2020-07-17 17:07:39,292 WARN L193 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 896 DAG size of output: 616 [2020-07-17 17:07:48,801 WARN L193 SmtUtils]: Spent 7.17 s on a formula simplification. DAG size of input: 1052 DAG size of output: 818 [2020-07-17 17:07:52,639 WARN L193 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 896 DAG size of output: 616 [2020-07-17 17:07:59,953 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:08:00,081 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:08:00,190 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:08:00,301 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:08:00,411 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:08:01,203 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:08:01,654 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:08:01,785 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:08:01,900 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:08:10,789 WARN L193 SmtUtils]: Spent 7.20 s on a formula simplification. DAG size of input: 1052 DAG size of output: 818 [2020-07-17 17:08:17,981 WARN L193 SmtUtils]: Spent 7.17 s on a formula simplification. DAG size of input: 1052 DAG size of output: 818 [2020-07-17 17:08:19,310 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 251 [2020-07-17 17:08:19,683 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 245 [2020-07-17 17:08:20,042 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 249 [2020-07-17 17:08:28,293 WARN L193 SmtUtils]: Spent 6.09 s on a formula simplification. DAG size of input: 997 DAG size of output: 764 [2020-07-17 17:08:28,462 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 251 [2020-07-17 17:08:28,732 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-07-17 17:08:29,866 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2020-07-17 17:08:30,176 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 250 [2020-07-17 17:08:30,293 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 246 [2020-07-17 17:08:30,525 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 249 [2020-07-17 17:08:30,792 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-07-17 17:08:30,988 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2020-07-17 17:08:32,393 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:08:32,519 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:08:32,625 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:08:32,732 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:08:32,842 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:08:33,929 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:08:34,628 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:08:34,774 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:08:34,885 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:08:42,902 WARN L193 SmtUtils]: Spent 7.15 s on a formula simplification. DAG size of input: 1052 DAG size of output: 818 [2020-07-17 17:08:46,764 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 242 [2020-07-17 17:08:47,396 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-17 17:08:47,991 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 241 [2020-07-17 17:08:48,234 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 203 [2020-07-17 17:08:59,010 WARN L193 SmtUtils]: Spent 6.23 s on a formula simplification. DAG size of input: 997 DAG size of output: 764 [2020-07-17 17:09:02,788 WARN L193 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 896 DAG size of output: 616 [2020-07-17 17:09:08,038 WARN L193 SmtUtils]: Spent 4.79 s on a formula simplification. DAG size of input: 830 DAG size of output: 643 [2020-07-17 17:09:08,735 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 257 [2020-07-17 17:09:09,048 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 250 [2020-07-17 17:09:10,201 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 253 [2020-07-17 17:09:10,500 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2020-07-17 17:09:10,630 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 254 [2020-07-17 17:09:10,863 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 252 [2020-07-17 17:09:11,147 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 248 [2020-07-17 17:09:11,349 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 254 [2020-07-17 17:09:14,369 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 263 DAG size of output: 35 [2020-07-17 17:09:14,779 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 21 [2020-07-17 17:09:15,325 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-07-17 17:09:16,849 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 296 DAG size of output: 51 [2020-07-17 17:09:18,394 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 259 DAG size of output: 34 [2020-07-17 17:09:19,749 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 248 DAG size of output: 20 [2020-07-17 17:09:20,672 WARN L193 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 35 [2020-07-17 17:09:21,239 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 24 [2020-07-17 17:09:22,500 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 249 DAG size of output: 22 [2020-07-17 17:09:24,226 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 283 DAG size of output: 37 [2020-07-17 17:09:25,228 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 34 [2020-07-17 17:09:26,478 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 189 DAG size of output: 32 [2020-07-17 17:09:26,870 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-17 17:09:53,681 WARN L193 SmtUtils]: Spent 26.79 s on a formula simplification. DAG size of input: 893 DAG size of output: 40 [2020-07-17 17:10:11,371 WARN L193 SmtUtils]: Spent 17.66 s on a formula simplification. DAG size of input: 718 DAG size of output: 39 [2020-07-17 17:10:11,583 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 1 [2020-07-17 17:10:12,016 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 23 [2020-07-17 17:10:13,416 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 436 DAG size of output: 1 [2020-07-17 17:10:13,872 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 21 [2020-07-17 17:10:19,456 WARN L193 SmtUtils]: Spent 5.54 s on a formula simplification. DAG size of input: 474 DAG size of output: 44 [2020-07-17 17:10:20,863 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 255 DAG size of output: 28 [2020-07-17 17:10:21,654 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 38 [2020-07-17 17:10:22,131 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 33 [2020-07-17 17:10:23,665 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 259 DAG size of output: 34 [2020-07-17 17:10:25,917 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 273 DAG size of output: 46 [2020-07-17 17:10:26,118 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-17 17:10:26,320 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-17 17:10:26,521 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-17 17:10:27,103 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 21 [2020-07-17 17:10:30,770 WARN L193 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 422 DAG size of output: 39 [2020-07-17 17:10:31,705 WARN L193 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 28 [2020-07-17 17:10:35,451 WARN L193 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 422 DAG size of output: 39 [2020-07-17 17:10:36,539 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 259 DAG size of output: 37 [2020-07-17 17:10:36,748 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 1 [2020-07-17 17:10:37,983 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 192 DAG size of output: 36 [2020-07-17 17:10:54,391 WARN L193 SmtUtils]: Spent 16.40 s on a formula simplification. DAG size of input: 676 DAG size of output: 38 [2020-07-17 17:10:55,284 WARN L193 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 34 [2020-07-17 17:10:55,790 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 1 [2020-07-17 17:10:57,366 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 274 DAG size of output: 46 [2020-07-17 17:10:57,913 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 1 [2020-07-17 17:10:58,048 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 1 [2020-07-17 17:10:58,960 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 34 [2020-07-17 17:11:00,805 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 270 DAG size of output: 38 [2020-07-17 17:11:02,629 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 270 DAG size of output: 38 [2020-07-17 17:11:03,047 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-07-17 17:11:05,071 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 267 DAG size of output: 44 [2020-07-17 17:11:06,381 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 231 DAG size of output: 36 [2020-07-17 17:11:07,550 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 236 DAG size of output: 39 [2020-07-17 17:11:08,856 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 231 DAG size of output: 36 [2020-07-17 17:11:10,189 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 192 DAG size of output: 36 [2020-07-17 17:11:11,868 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 228 DAG size of output: 33 [2020-07-17 17:11:12,380 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 18 [2020-07-17 17:11:13,566 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 228 DAG size of output: 32 [2020-07-17 17:11:13,766 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 29 [2020-07-17 17:11:14,318 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 33 [2020-07-17 17:11:14,561 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 16 [2020-07-17 17:11:14,773 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 29 [2020-07-17 17:11:14,993 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-07-17 17:11:15,829 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 24 [2020-07-17 17:11:16,190 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 21 [2020-07-17 17:11:17,502 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 250 DAG size of output: 24 [2020-07-17 17:11:17,903 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-17 17:11:19,625 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 312 DAG size of output: 46 [2020-07-17 17:11:20,184 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 25 [2020-07-17 17:11:20,614 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-07-17 17:11:38,540 WARN L193 SmtUtils]: Spent 17.92 s on a formula simplification. DAG size of input: 718 DAG size of output: 39 [2020-07-17 17:11:38,937 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-17 17:11:56,921 WARN L193 SmtUtils]: Spent 17.98 s on a formula simplification. DAG size of input: 718 DAG size of output: 39 [2020-07-17 17:11:57,055 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 1 [2020-07-17 17:11:58,117 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 250 DAG size of output: 34 [2020-07-17 17:11:58,664 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 1 [2020-07-17 17:11:58,818 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 1 [2020-07-17 17:11:59,036 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-17 17:11:59,865 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 24 [2020-07-17 17:12:00,066 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 25 [2020-07-17 17:12:01,522 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 247 DAG size of output: 33 [2020-07-17 17:12:01,727 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-17 17:12:02,035 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 33 [2020-07-17 17:12:02,778 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 29 [2020-07-17 17:12:03,297 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 24 [2020-07-17 17:12:06,108 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 437 DAG size of output: 44 [2020-07-17 17:12:06,615 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 24 [2020-07-17 17:12:07,656 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 250 DAG size of output: 34 [2020-07-17 17:12:08,180 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 26 [2020-07-17 17:12:08,345 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 1 [2020-07-17 17:12:17,394 WARN L193 SmtUtils]: Spent 9.04 s on a formula simplification. DAG size of input: 512 DAG size of output: 38 [2020-07-17 17:12:30,744 WARN L193 SmtUtils]: Spent 13.34 s on a formula simplification. DAG size of input: 568 DAG size of output: 38 [2020-07-17 17:12:31,342 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 18 [2020-07-17 17:12:32,943 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 265 DAG size of output: 36 [2020-07-17 17:12:34,118 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 302 DAG size of output: 31 [2020-07-17 17:12:34,259 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 1 [2020-07-17 17:12:35,692 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 239 DAG size of output: 40 [2020-07-17 17:12:35,913 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-17 17:12:36,406 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 21 [2020-07-17 17:12:36,608 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-17 17:12:37,851 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 248 DAG size of output: 20 [2020-07-17 17:12:39,195 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 233 DAG size of output: 35 [2020-07-17 17:12:40,561 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 236 DAG size of output: 38 [2020-07-17 17:12:40,856 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 16 [2020-07-17 17:12:42,164 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 236 DAG size of output: 38 [2020-07-17 17:12:42,682 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 1 [2020-07-17 17:12:43,925 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 248 DAG size of output: 20 [2020-07-17 17:12:45,240 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 250 DAG size of output: 24 [2020-07-17 17:13:01,777 WARN L193 SmtUtils]: Spent 16.53 s on a formula simplification. DAG size of input: 664 DAG size of output: 38 [2020-07-17 17:13:03,741 WARN L193 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 288 DAG size of output: 40 [2020-07-17 17:13:20,297 WARN L193 SmtUtils]: Spent 16.55 s on a formula simplification. DAG size of input: 664 DAG size of output: 38 [2020-07-17 17:13:29,743 WARN L193 SmtUtils]: Spent 9.44 s on a formula simplification. DAG size of input: 529 DAG size of output: 41 [2020-07-17 17:13:29,966 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-17 17:13:30,773 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 31 [2020-07-17 17:13:31,317 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 1