/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_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 16:57:00,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 16:57:00,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 16:57:00,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 16:57:00,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 16:57:00,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 16:57:00,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 16:57:00,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 16:57:00,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 16:57:00,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 16:57:00,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 16:57:00,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 16:57:00,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 16:57:00,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 16:57:00,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 16:57:00,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 16:57:00,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 16:57:00,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 16:57:00,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 16:57:00,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 16:57:00,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 16:57:00,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 16:57:00,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 16:57:00,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 16:57:00,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 16:57:00,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 16:57:00,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 16:57:00,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 16:57:00,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 16:57:00,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 16:57:00,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 16:57:00,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 16:57:00,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 16:57:00,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 16:57:00,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 16:57:00,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 16:57:00,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 16:57:00,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 16:57:00,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 16:57:00,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 16:57:00,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 16:57:00,898 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 16:57:00,910 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 16:57:00,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 16:57:00,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 16:57:00,913 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 16:57:00,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 16:57:00,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 16:57:00,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 16:57:00,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 16:57:00,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 16:57:00,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 16:57:00,915 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 16:57:00,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 16:57:00,916 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 16:57:00,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 16:57:00,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 16:57:00,916 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 16:57:00,917 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 16:57:00,917 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 16:57:00,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 16:57:00,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 16:57:00,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 16:57:00,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 16:57:00,918 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 16:57:01,222 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 16:57:01,241 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 16:57:01,245 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 16:57:01,246 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 16:57:01,247 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 16:57:01,247 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c [2020-07-17 16:57:01,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13f84a654/59eec44e7223482da87efe4548aeea04/FLAGb918b6378 [2020-07-17 16:57:01,872 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 16:57:01,873 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c [2020-07-17 16:57:01,901 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13f84a654/59eec44e7223482da87efe4548aeea04/FLAGb918b6378 [2020-07-17 16:57:02,190 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13f84a654/59eec44e7223482da87efe4548aeea04 [2020-07-17 16:57:02,198 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 16:57:02,200 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 16:57:02,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 16:57:02,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 16:57:02,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 16:57:02,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:57:02" (1/1) ... [2020-07-17 16:57:02,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d1cb88d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:57:02, skipping insertion in model container [2020-07-17 16:57:02,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:57:02" (1/1) ... [2020-07-17 16:57:02,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 16:57:02,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 16:57:02,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:57:02,744 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 16:57:02,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:57:02,866 INFO L208 MainTranslator]: Completed translation [2020-07-17 16:57:02,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:57:02 WrapperNode [2020-07-17 16:57:02,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 16:57:02,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 16:57:02,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 16:57:02,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 16:57:02,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:57:02" (1/1) ... [2020-07-17 16:57:02,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:57:02" (1/1) ... [2020-07-17 16:57:02,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:57:02" (1/1) ... [2020-07-17 16:57:02,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:57:02" (1/1) ... [2020-07-17 16:57:02,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:57:02" (1/1) ... [2020-07-17 16:57:02,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:57:02" (1/1) ... [2020-07-17 16:57:02,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:57:02" (1/1) ... [2020-07-17 16:57:02,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 16:57:02,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 16:57:02,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 16:57:02,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 16:57:02,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:57:02" (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 16:57:03,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 16:57:03,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 16:57:03,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 16:57:03,046 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 16:57:03,046 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 16:57:03,046 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 16:57:03,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 16:57:03,046 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 16:57:03,046 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 16:57:03,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 16:57:03,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-17 16:57:03,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-17 16:57:03,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-17 16:57:03,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-17 16:57:03,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 16:57:03,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 16:57:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 16:57:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 16:57:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 16:57:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 16:57:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 16:57:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 16:57:03,049 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 16:57:03,049 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 16:57:03,049 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 16:57:03,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 16:57:03,049 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 16:57:03,049 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 16:57:03,050 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 16:57:03,050 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 16:57:03,050 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 16:57:03,050 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-17 16:57:03,050 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 16:57:03,050 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 16:57:03,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 16:57:03,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 16:57:03,051 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 16:57:03,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 16:57:03,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-17 16:57:03,051 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-17 16:57:03,052 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 16:57:03,052 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 16:57:03,052 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 16:57:03,052 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 16:57:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 16:57:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 16:57:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 16:57:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 16:57:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 16:57:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 16:57:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 16:57:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 16:57:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 16:57:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 16:57:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-17 16:57:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 16:57:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 16:57:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 16:57:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-17 16:57:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-17 16:57:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-17 16:57:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 16:57:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 16:57:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 16:57:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 16:57:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 16:57:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 16:57:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 16:57:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 16:57:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 16:57:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 16:57:03,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 16:57:03,057 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 16:57:03,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 16:57:03,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 16:57:03,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 16:57:03,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 16:57:03,058 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 16:57:03,058 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 16:57:03,058 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 16:57:03,058 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 16:57:03,058 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 16:57:03,058 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 16:57:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 16:57:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 16:57:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 16:57:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 16:57:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 16:57:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-17 16:57:03,059 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 16:57:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 16:57:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 16:57:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 16:57:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 16:57:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 16:57:03,060 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-17 16:57:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-17 16:57:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 16:57:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 16:57:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 16:57:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 16:57:03,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 16:57:04,211 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 16:57:04,211 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 16:57:04,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:57:04 BoogieIcfgContainer [2020-07-17 16:57:04,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 16:57:04,220 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 16:57:04,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 16:57:04,223 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 16:57:04,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 04:57:02" (1/3) ... [2020-07-17 16:57:04,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa84f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:57:04, skipping insertion in model container [2020-07-17 16:57:04,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:57:02" (2/3) ... [2020-07-17 16:57:04,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa84f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:57:04, skipping insertion in model container [2020-07-17 16:57:04,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:57:04" (3/3) ... [2020-07-17 16:57:04,228 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58.cil.c [2020-07-17 16:57:04,239 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 16:57:04,248 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 16:57:04,264 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 16:57:04,289 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 16:57:04,289 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 16:57:04,289 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 16:57:04,290 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 16:57:04,290 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 16:57:04,290 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 16:57:04,290 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 16:57:04,291 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 16:57:04,315 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states. [2020-07-17 16:57:04,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-07-17 16:57:04,338 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:57:04,339 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 16:57:04,340 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:57:04,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:57:04,347 INFO L82 PathProgramCache]: Analyzing trace with hash 797820518, now seen corresponding path program 1 times [2020-07-17 16:57:04,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:57:04,357 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1959351492] [2020-07-17 16:57:04,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:57:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:05,124 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:57:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:05,268 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 16:57:05,269 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1959351492] [2020-07-17 16:57:05,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:57:05,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 16:57:05,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773117602] [2020-07-17 16:57:05,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 16:57:05,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:57:05,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 16:57:05,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 16:57:05,295 INFO L87 Difference]: Start difference. First operand 351 states. Second operand 4 states. [2020-07-17 16:57:06,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:57:06,759 INFO L93 Difference]: Finished difference Result 563 states and 653 transitions. [2020-07-17 16:57:06,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 16:57:06,762 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-07-17 16:57:06,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:57:06,780 INFO L225 Difference]: With dead ends: 563 [2020-07-17 16:57:06,780 INFO L226 Difference]: Without dead ends: 348 [2020-07-17 16:57:06,786 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 16:57:06,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-07-17 16:57:06,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 300. [2020-07-17 16:57:06,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2020-07-17 16:57:06,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 325 transitions. [2020-07-17 16:57:06,933 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 325 transitions. Word has length 160 [2020-07-17 16:57:06,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:57:06,934 INFO L479 AbstractCegarLoop]: Abstraction has 300 states and 325 transitions. [2020-07-17 16:57:06,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 16:57:06,934 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 325 transitions. [2020-07-17 16:57:06,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-07-17 16:57:06,939 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:57:06,939 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 16:57:06,940 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 16:57:06,940 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:57:06,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:57:06,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1390258068, now seen corresponding path program 1 times [2020-07-17 16:57:06,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:57:06,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1600785334] [2020-07-17 16:57:06,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:57:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:07,333 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:57:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:07,437 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 16:57:07,437 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1600785334] [2020-07-17 16:57:07,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:57:07,438 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 16:57:07,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613598770] [2020-07-17 16:57:07,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 16:57:07,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:57:07,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 16:57:07,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 16:57:07,444 INFO L87 Difference]: Start difference. First operand 300 states and 325 transitions. Second operand 5 states. [2020-07-17 16:57:08,118 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:57:09,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:57:09,231 INFO L93 Difference]: Finished difference Result 488 states and 545 transitions. [2020-07-17 16:57:09,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 16:57:09,239 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-07-17 16:57:09,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:57:09,243 INFO L225 Difference]: With dead ends: 488 [2020-07-17 16:57:09,243 INFO L226 Difference]: Without dead ends: 337 [2020-07-17 16:57:09,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 16:57:09,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2020-07-17 16:57:09,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 290. [2020-07-17 16:57:09,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-07-17 16:57:09,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 312 transitions. [2020-07-17 16:57:09,323 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 312 transitions. Word has length 161 [2020-07-17 16:57:09,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:57:09,324 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 312 transitions. [2020-07-17 16:57:09,324 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 16:57:09,324 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 312 transitions. [2020-07-17 16:57:09,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-17 16:57:09,327 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:57:09,328 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 16:57:09,328 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 16:57:09,328 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:57:09,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:57:09,329 INFO L82 PathProgramCache]: Analyzing trace with hash -678353695, now seen corresponding path program 1 times [2020-07-17 16:57:09,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:57:09,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [216024374] [2020-07-17 16:57:09,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:57:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:09,674 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:57:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:09,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:09,825 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 16:57:09,826 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [216024374] [2020-07-17 16:57:09,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:57:09,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-17 16:57:09,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524451971] [2020-07-17 16:57:09,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 16:57:09,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:57:09,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 16:57:09,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-17 16:57:09,828 INFO L87 Difference]: Start difference. First operand 290 states and 312 transitions. Second operand 11 states. [2020-07-17 16:57:10,439 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:57:10,931 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:57:11,217 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 16:57:11,457 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:57:11,704 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:57:11,953 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:57:13,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:57:13,799 INFO L93 Difference]: Finished difference Result 535 states and 610 transitions. [2020-07-17 16:57:13,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 16:57:13,800 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2020-07-17 16:57:13,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:57:13,804 INFO L225 Difference]: With dead ends: 535 [2020-07-17 16:57:13,804 INFO L226 Difference]: Without dead ends: 360 [2020-07-17 16:57:13,805 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-07-17 16:57:13,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-07-17 16:57:13,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 290. [2020-07-17 16:57:13,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-07-17 16:57:13,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 311 transitions. [2020-07-17 16:57:13,893 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 311 transitions. Word has length 174 [2020-07-17 16:57:13,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:57:13,894 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 311 transitions. [2020-07-17 16:57:13,894 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 16:57:13,894 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 311 transitions. [2020-07-17 16:57:13,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-07-17 16:57:13,897 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:57:13,897 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] [2020-07-17 16:57:13,897 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 16:57:13,897 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:57:13,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:57:13,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1021606715, now seen corresponding path program 1 times [2020-07-17 16:57:13,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:57:13,898 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [474838516] [2020-07-17 16:57:13,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:57:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:14,206 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:57:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:14,452 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 16:57:14,452 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [474838516] [2020-07-17 16:57:14,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:57:14,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 16:57:14,453 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588150153] [2020-07-17 16:57:14,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 16:57:14,455 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:57:14,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 16:57:14,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 16:57:14,456 INFO L87 Difference]: Start difference. First operand 290 states and 311 transitions. Second operand 8 states. [2020-07-17 16:57:15,008 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:57:17,016 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:57:17,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:57:17,757 INFO L93 Difference]: Finished difference Result 724 states and 855 transitions. [2020-07-17 16:57:17,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-17 16:57:17,759 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 187 [2020-07-17 16:57:17,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:57:17,764 INFO L225 Difference]: With dead ends: 724 [2020-07-17 16:57:17,764 INFO L226 Difference]: Without dead ends: 549 [2020-07-17 16:57:17,765 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-07-17 16:57:17,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-07-17 16:57:17,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 411. [2020-07-17 16:57:17,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-07-17 16:57:17,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 444 transitions. [2020-07-17 16:57:17,905 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 444 transitions. Word has length 187 [2020-07-17 16:57:17,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:57:17,906 INFO L479 AbstractCegarLoop]: Abstraction has 411 states and 444 transitions. [2020-07-17 16:57:17,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 16:57:17,906 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 444 transitions. [2020-07-17 16:57:17,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-07-17 16:57:17,909 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:57:17,909 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] [2020-07-17 16:57:17,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 16:57:17,910 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:57:17,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:57:17,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1622480709, now seen corresponding path program 1 times [2020-07-17 16:57:17,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:57:17,911 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [800797892] [2020-07-17 16:57:17,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:57:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:18,233 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:57:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:18,468 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 16:57:18,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [800797892] [2020-07-17 16:57:18,469 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:57:18,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-17 16:57:18,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59001657] [2020-07-17 16:57:18,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 16:57:18,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:57:18,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 16:57:18,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-17 16:57:18,471 INFO L87 Difference]: Start difference. First operand 411 states and 444 transitions. Second operand 11 states. [2020-07-17 16:57:18,967 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:57:19,870 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:57:20,108 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:57:21,227 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:57:21,447 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:57:21,732 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:57:22,235 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:57:22,473 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:57:22,711 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:57:23,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:57:23,374 INFO L93 Difference]: Finished difference Result 844 states and 984 transitions. [2020-07-17 16:57:23,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-17 16:57:23,374 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 211 [2020-07-17 16:57:23,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:57:23,379 INFO L225 Difference]: With dead ends: 844 [2020-07-17 16:57:23,379 INFO L226 Difference]: Without dead ends: 548 [2020-07-17 16:57:23,381 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=248, Invalid=622, Unknown=0, NotChecked=0, Total=870 [2020-07-17 16:57:23,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2020-07-17 16:57:23,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 410. [2020-07-17 16:57:23,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2020-07-17 16:57:23,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 441 transitions. [2020-07-17 16:57:23,536 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 441 transitions. Word has length 211 [2020-07-17 16:57:23,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:57:23,537 INFO L479 AbstractCegarLoop]: Abstraction has 410 states and 441 transitions. [2020-07-17 16:57:23,537 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 16:57:23,537 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 441 transitions. [2020-07-17 16:57:23,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-07-17 16:57:23,544 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:57:23,544 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] [2020-07-17 16:57:23,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 16:57:23,545 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:57:23,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:57:23,548 INFO L82 PathProgramCache]: Analyzing trace with hash 258575659, now seen corresponding path program 1 times [2020-07-17 16:57:23,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:57:23,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [942846243] [2020-07-17 16:57:23,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:57:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:23,830 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:57:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:23,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:24,027 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 16:57:24,027 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [942846243] [2020-07-17 16:57:24,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:57:24,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-17 16:57:24,029 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157419606] [2020-07-17 16:57:24,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 16:57:24,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:57:24,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 16:57:24,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-17 16:57:24,030 INFO L87 Difference]: Start difference. First operand 410 states and 441 transitions. Second operand 11 states. [2020-07-17 16:57:25,301 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:57:25,540 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 16:57:25,790 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-17 16:57:26,030 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:57:26,274 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:57:26,529 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:57:27,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:57:27,739 INFO L93 Difference]: Finished difference Result 847 states and 993 transitions. [2020-07-17 16:57:27,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 16:57:27,739 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 234 [2020-07-17 16:57:27,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:57:27,743 INFO L225 Difference]: With dead ends: 847 [2020-07-17 16:57:27,743 INFO L226 Difference]: Without dead ends: 552 [2020-07-17 16:57:27,745 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-07-17 16:57:27,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2020-07-17 16:57:27,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 418. [2020-07-17 16:57:27,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2020-07-17 16:57:27,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 449 transitions. [2020-07-17 16:57:27,872 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 449 transitions. Word has length 234 [2020-07-17 16:57:27,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:57:27,873 INFO L479 AbstractCegarLoop]: Abstraction has 418 states and 449 transitions. [2020-07-17 16:57:27,873 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 16:57:27,873 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 449 transitions. [2020-07-17 16:57:27,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-07-17 16:57:27,876 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:57:27,877 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] [2020-07-17 16:57:27,877 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 16:57:27,877 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:57:27,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:57:27,877 INFO L82 PathProgramCache]: Analyzing trace with hash 926322059, now seen corresponding path program 1 times [2020-07-17 16:57:27,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:57:27,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1404686116] [2020-07-17 16:57:27,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:57:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:28,152 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:57:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:28,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:28,435 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 16:57:28,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1404686116] [2020-07-17 16:57:28,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:57:28,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-17 16:57:28,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371390148] [2020-07-17 16:57:28,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-17 16:57:28,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:57:28,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-17 16:57:28,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-07-17 16:57:28,438 INFO L87 Difference]: Start difference. First operand 418 states and 449 transitions. Second operand 14 states. [2020-07-17 16:57:29,012 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:57:29,252 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 16:57:29,483 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:57:29,718 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:57:29,942 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:57:30,872 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:57:31,106 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:57:31,352 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:57:31,602 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:57:31,833 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:57:33,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:57:33,538 INFO L93 Difference]: Finished difference Result 864 states and 1011 transitions. [2020-07-17 16:57:33,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-17 16:57:33,539 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 234 [2020-07-17 16:57:33,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:57:33,544 INFO L225 Difference]: With dead ends: 864 [2020-07-17 16:57:33,544 INFO L226 Difference]: Without dead ends: 561 [2020-07-17 16:57:33,547 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-07-17 16:57:33,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2020-07-17 16:57:33,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 424. [2020-07-17 16:57:33,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-07-17 16:57:33,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 455 transitions. [2020-07-17 16:57:33,712 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 455 transitions. Word has length 234 [2020-07-17 16:57:33,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:57:33,713 INFO L479 AbstractCegarLoop]: Abstraction has 424 states and 455 transitions. [2020-07-17 16:57:33,713 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-17 16:57:33,713 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 455 transitions. [2020-07-17 16:57:33,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-07-17 16:57:33,717 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:57:33,718 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] [2020-07-17 16:57:33,718 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 16:57:33,718 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:57:33,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:57:33,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1653427336, now seen corresponding path program 1 times [2020-07-17 16:57:33,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:57:33,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [548140476] [2020-07-17 16:57:33,719 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:57:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:34,022 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:57:34,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:34,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:34,284 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 16:57:34,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [548140476] [2020-07-17 16:57:34,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:57:34,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 16:57:34,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440830345] [2020-07-17 16:57:34,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 16:57:34,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:57:34,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 16:57:34,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 16:57:34,288 INFO L87 Difference]: Start difference. First operand 424 states and 455 transitions. Second operand 8 states. [2020-07-17 16:57:34,851 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:57:35,512 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:57:38,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:57:38,157 INFO L93 Difference]: Finished difference Result 1195 states and 1434 transitions. [2020-07-17 16:57:38,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-07-17 16:57:38,158 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 234 [2020-07-17 16:57:38,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:57:38,164 INFO L225 Difference]: With dead ends: 1195 [2020-07-17 16:57:38,164 INFO L226 Difference]: Without dead ends: 886 [2020-07-17 16:57:38,166 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 49 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2020-07-17 16:57:38,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2020-07-17 16:57:38,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 679. [2020-07-17 16:57:38,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2020-07-17 16:57:38,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 747 transitions. [2020-07-17 16:57:38,351 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 747 transitions. Word has length 234 [2020-07-17 16:57:38,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:57:38,352 INFO L479 AbstractCegarLoop]: Abstraction has 679 states and 747 transitions. [2020-07-17 16:57:38,352 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 16:57:38,352 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 747 transitions. [2020-07-17 16:57:38,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-07-17 16:57:38,355 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:57:38,355 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 16:57:38,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 16:57:38,355 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:57:38,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:57:38,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1392423546, now seen corresponding path program 1 times [2020-07-17 16:57:38,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:57:38,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1198843444] [2020-07-17 16:57:38,356 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:57:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:38,739 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:57:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:39,010 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 16:57:39,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1198843444] [2020-07-17 16:57:39,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:57:39,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-07-17 16:57:39,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707530047] [2020-07-17 16:57:39,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-17 16:57:39,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:57:39,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-17 16:57:39,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-07-17 16:57:39,013 INFO L87 Difference]: Start difference. First operand 679 states and 747 transitions. Second operand 15 states. [2020-07-17 16:57:39,824 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-17 16:57:40,572 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:57:42,185 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-17 16:57:42,637 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-17 16:57:42,936 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:57:43,179 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:57:43,637 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-17 16:57:43,872 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:57:44,163 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:57:44,402 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:57:46,541 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:57:46,765 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:57:47,031 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:57:47,568 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-17 16:57:48,990 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 16:57:49,468 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-17 16:57:49,967 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-17 16:57:50,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:57:50,677 INFO L93 Difference]: Finished difference Result 2110 states and 2526 transitions. [2020-07-17 16:57:50,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-07-17 16:57:50,682 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 239 [2020-07-17 16:57:50,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:57:50,691 INFO L225 Difference]: With dead ends: 2110 [2020-07-17 16:57:50,691 INFO L226 Difference]: Without dead ends: 1653 [2020-07-17 16:57:50,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1135 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=754, Invalid=2906, Unknown=0, NotChecked=0, Total=3660 [2020-07-17 16:57:50,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1653 states. [2020-07-17 16:57:51,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1653 to 1212. [2020-07-17 16:57:51,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1212 states. [2020-07-17 16:57:51,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1212 states and 1324 transitions. [2020-07-17 16:57:51,160 INFO L78 Accepts]: Start accepts. Automaton has 1212 states and 1324 transitions. Word has length 239 [2020-07-17 16:57:51,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:57:51,161 INFO L479 AbstractCegarLoop]: Abstraction has 1212 states and 1324 transitions. [2020-07-17 16:57:51,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-17 16:57:51,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1324 transitions. [2020-07-17 16:57:51,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2020-07-17 16:57:51,164 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:57:51,165 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:57:51,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-17 16:57:51,165 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:57:51,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:57:51,166 INFO L82 PathProgramCache]: Analyzing trace with hash 2041397131, now seen corresponding path program 1 times [2020-07-17 16:57:51,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:57:51,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1214890540] [2020-07-17 16:57:51,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:57:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,459 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:57:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:57:51,941 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-07-17 16:57:51,941 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1214890540] [2020-07-17 16:57:51,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:57:51,942 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-07-17 16:57:51,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395355284] [2020-07-17 16:57:51,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-17 16:57:51,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:57:51,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-17 16:57:51,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-07-17 16:57:51,944 INFO L87 Difference]: Start difference. First operand 1212 states and 1324 transitions. Second operand 19 states. [2020-07-17 16:57:52,588 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 16:57:52,943 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-17 16:57:53,202 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-07-17 16:57:53,469 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 16:57:53,756 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-17 16:57:54,000 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 16:57:54,945 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-17 16:57:55,226 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-17 16:57:55,479 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:57:55,978 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-07-17 16:57:57,013 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-17 16:57:57,334 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-07-17 16:57:58,173 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:57:59,057 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-17 16:57:59,893 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-17 16:58:00,403 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-17 16:58:00,857 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-17 16:58:01,195 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:58:01,958 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:58:02,510 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-07-17 16:58:02,835 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-07-17 16:58:03,485 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-07-17 16:58:04,017 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-07-17 16:58:05,408 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-07-17 16:58:05,668 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 16:58:07,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:58:07,058 INFO L93 Difference]: Finished difference Result 2921 states and 3381 transitions. [2020-07-17 16:58:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-07-17 16:58:07,065 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 330 [2020-07-17 16:58:07,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:58:07,076 INFO L225 Difference]: With dead ends: 2921 [2020-07-17 16:58:07,076 INFO L226 Difference]: Without dead ends: 1926 [2020-07-17 16:58:07,082 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1907 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=1278, Invalid=5364, Unknown=0, NotChecked=0, Total=6642 [2020-07-17 16:58:07,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1926 states. [2020-07-17 16:58:07,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1926 to 1443. [2020-07-17 16:58:07,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1443 states. [2020-07-17 16:58:07,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1443 states and 1583 transitions. [2020-07-17 16:58:07,650 INFO L78 Accepts]: Start accepts. Automaton has 1443 states and 1583 transitions. Word has length 330 [2020-07-17 16:58:07,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:58:07,651 INFO L479 AbstractCegarLoop]: Abstraction has 1443 states and 1583 transitions. [2020-07-17 16:58:07,651 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-17 16:58:07,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1583 transitions. [2020-07-17 16:58:07,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2020-07-17 16:58:07,659 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:58:07,660 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:58:07,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-17 16:58:07,660 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:58:07,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:58:07,661 INFO L82 PathProgramCache]: Analyzing trace with hash -534426062, now seen corresponding path program 1 times [2020-07-17 16:58:07,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:58:07,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1179167281] [2020-07-17 16:58:07,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:58:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,015 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:58:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:08,641 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 125 proven. 38 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2020-07-17 16:58:08,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1179167281] [2020-07-17 16:58:08,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:58:08,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-07-17 16:58:08,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038079810] [2020-07-17 16:58:08,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-17 16:58:08,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:58:08,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-17 16:58:08,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-17 16:58:08,645 INFO L87 Difference]: Start difference. First operand 1443 states and 1583 transitions. Second operand 17 states. [2020-07-17 16:58:10,638 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:58:10,887 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:58:11,149 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:58:11,408 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 16:58:11,646 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:58:11,883 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:58:13,999 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:58:14,272 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 16:58:16,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:58:16,294 INFO L93 Difference]: Finished difference Result 4230 states and 5000 transitions. [2020-07-17 16:58:16,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-17 16:58:16,300 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 531 [2020-07-17 16:58:16,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:58:16,316 INFO L225 Difference]: With dead ends: 4230 [2020-07-17 16:58:16,317 INFO L226 Difference]: Without dead ends: 2707 [2020-07-17 16:58:16,322 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 125 SyntacticMatches, 5 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 516 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=486, Invalid=1676, Unknown=0, NotChecked=0, Total=2162 [2020-07-17 16:58:16,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2707 states. [2020-07-17 16:58:17,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2707 to 1865. [2020-07-17 16:58:17,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1865 states. [2020-07-17 16:58:17,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 1865 states and 2078 transitions. [2020-07-17 16:58:17,072 INFO L78 Accepts]: Start accepts. Automaton has 1865 states and 2078 transitions. Word has length 531 [2020-07-17 16:58:17,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:58:17,073 INFO L479 AbstractCegarLoop]: Abstraction has 1865 states and 2078 transitions. [2020-07-17 16:58:17,073 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-17 16:58:17,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2078 transitions. [2020-07-17 16:58:17,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2020-07-17 16:58:17,080 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:58:17,081 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, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:58:17,081 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-17 16:58:17,081 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:58:17,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:58:17,082 INFO L82 PathProgramCache]: Analyzing trace with hash -193447125, now seen corresponding path program 1 times [2020-07-17 16:58:17,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:58:17,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1782108887] [2020-07-17 16:58:17,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:58:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,395 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:58:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:17,966 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 134 proven. 41 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2020-07-17 16:58:17,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1782108887] [2020-07-17 16:58:17,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:58:17,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-07-17 16:58:17,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096394642] [2020-07-17 16:58:17,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-17 16:58:17,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:58:17,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-17 16:58:17,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-07-17 16:58:17,968 INFO L87 Difference]: Start difference. First operand 1865 states and 2078 transitions. Second operand 19 states. [2020-07-17 16:58:18,493 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:58:18,919 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:58:19,174 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 16:58:19,427 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:58:19,685 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 16:58:19,922 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:58:20,870 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:58:21,126 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:58:22,866 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:58:23,375 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:58:24,059 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:58:24,785 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:58:26,262 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:58:26,494 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:58:27,438 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:58:27,708 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:58:27,943 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 16:58:29,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:58:29,560 INFO L93 Difference]: Finished difference Result 3920 states and 4580 transitions. [2020-07-17 16:58:29,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-07-17 16:58:29,561 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 541 [2020-07-17 16:58:29,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:58:29,574 INFO L225 Difference]: With dead ends: 3920 [2020-07-17 16:58:29,575 INFO L226 Difference]: Without dead ends: 2308 [2020-07-17 16:58:29,581 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=665, Invalid=2641, Unknown=0, NotChecked=0, Total=3306 [2020-07-17 16:58:29,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2308 states. [2020-07-17 16:58:30,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2308 to 1793. [2020-07-17 16:58:30,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1793 states. [2020-07-17 16:58:30,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1793 states and 1979 transitions. [2020-07-17 16:58:30,490 INFO L78 Accepts]: Start accepts. Automaton has 1793 states and 1979 transitions. Word has length 541 [2020-07-17 16:58:30,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:58:30,491 INFO L479 AbstractCegarLoop]: Abstraction has 1793 states and 1979 transitions. [2020-07-17 16:58:30,491 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-17 16:58:30,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 1979 transitions. [2020-07-17 16:58:30,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2020-07-17 16:58:30,504 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:58:30,504 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:58:30,505 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-17 16:58:30,505 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:58:30,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:58:30,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1594060712, now seen corresponding path program 1 times [2020-07-17 16:58:30,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:58:30,506 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [747392094] [2020-07-17 16:58:30,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:58:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,817 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:58:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:31,250 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2020-07-17 16:58:31,250 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [747392094] [2020-07-17 16:58:31,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:58:31,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-07-17 16:58:31,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771953709] [2020-07-17 16:58:31,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-17 16:58:31,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:58:31,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-17 16:58:31,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-07-17 16:58:31,255 INFO L87 Difference]: Start difference. First operand 1793 states and 1979 transitions. Second operand 13 states. [2020-07-17 16:58:33,753 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:58:33,991 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:58:34,224 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 16:58:34,460 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:58:34,703 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:58:34,928 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:58:35,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:58:35,972 INFO L93 Difference]: Finished difference Result 3822 states and 4424 transitions. [2020-07-17 16:58:35,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-17 16:58:35,973 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 538 [2020-07-17 16:58:35,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:58:35,986 INFO L225 Difference]: With dead ends: 3822 [2020-07-17 16:58:35,986 INFO L226 Difference]: Without dead ends: 2282 [2020-07-17 16:58:35,990 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=203, Invalid=499, Unknown=0, NotChecked=0, Total=702 [2020-07-17 16:58:35,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2282 states. [2020-07-17 16:58:36,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2282 to 1817. [2020-07-17 16:58:36,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1817 states. [2020-07-17 16:58:36,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1817 states and 2003 transitions. [2020-07-17 16:58:36,594 INFO L78 Accepts]: Start accepts. Automaton has 1817 states and 2003 transitions. Word has length 538 [2020-07-17 16:58:36,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:58:36,595 INFO L479 AbstractCegarLoop]: Abstraction has 1817 states and 2003 transitions. [2020-07-17 16:58:36,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-17 16:58:36,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 2003 transitions. [2020-07-17 16:58:36,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2020-07-17 16:58:36,602 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:58:36,603 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, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:58:36,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-17 16:58:36,603 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:58:36,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:58:36,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1226583404, now seen corresponding path program 1 times [2020-07-17 16:58:36,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:58:36,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1152198769] [2020-07-17 16:58:36,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:58:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:36,899 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:58:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:36,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:37,593 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 144 proven. 37 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2020-07-17 16:58:37,594 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1152198769] [2020-07-17 16:58:37,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:58:37,594 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-07-17 16:58:37,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004936773] [2020-07-17 16:58:37,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-17 16:58:37,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:58:37,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-17 16:58:37,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-07-17 16:58:37,595 INFO L87 Difference]: Start difference. First operand 1817 states and 2003 transitions. Second operand 18 states. [2020-07-17 16:58:38,100 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:58:39,982 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:58:40,248 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 16:58:40,732 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-17 16:58:40,982 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:58:41,442 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-17 16:58:41,767 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:58:42,209 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-17 16:58:42,467 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:58:42,740 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 16:58:42,979 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:58:43,212 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:58:44,934 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:58:45,201 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 16:58:47,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:58:47,926 INFO L93 Difference]: Finished difference Result 4098 states and 4814 transitions. [2020-07-17 16:58:47,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-07-17 16:58:47,933 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 542 [2020-07-17 16:58:47,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:58:47,950 INFO L225 Difference]: With dead ends: 4098 [2020-07-17 16:58:47,950 INFO L226 Difference]: Without dead ends: 3029 [2020-07-17 16:58:47,956 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 138 SyntacticMatches, 7 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1185 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=755, Invalid=3277, Unknown=0, NotChecked=0, Total=4032 [2020-07-17 16:58:47,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3029 states. [2020-07-17 16:58:48,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3029 to 2220. [2020-07-17 16:58:48,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2220 states. [2020-07-17 16:58:48,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 2220 states and 2438 transitions. [2020-07-17 16:58:48,946 INFO L78 Accepts]: Start accepts. Automaton has 2220 states and 2438 transitions. Word has length 542 [2020-07-17 16:58:48,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:58:48,947 INFO L479 AbstractCegarLoop]: Abstraction has 2220 states and 2438 transitions. [2020-07-17 16:58:48,947 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-17 16:58:48,947 INFO L276 IsEmpty]: Start isEmpty. Operand 2220 states and 2438 transitions. [2020-07-17 16:58:48,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2020-07-17 16:58:48,955 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:58:48,955 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 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] [2020-07-17 16:58:48,956 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-17 16:58:48,956 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:58:48,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:58:48,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1229463039, now seen corresponding path program 1 times [2020-07-17 16:58:48,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:58:48,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1805968702] [2020-07-17 16:58:48,957 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:58:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,284 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:58:49,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:58:49,941 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 132 proven. 66 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2020-07-17 16:58:49,941 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1805968702] [2020-07-17 16:58:49,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:58:49,942 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-07-17 16:58:49,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506048559] [2020-07-17 16:58:49,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-17 16:58:49,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:58:49,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-17 16:58:49,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-07-17 16:58:49,943 INFO L87 Difference]: Start difference. First operand 2220 states and 2438 transitions. Second operand 18 states. [2020-07-17 16:58:50,440 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:58:51,941 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:58:52,847 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:58:53,115 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 16:58:53,623 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-17 16:58:53,886 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:58:54,369 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-07-17 16:58:54,622 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 16:58:55,082 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-17 16:58:55,565 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-07-17 16:58:56,090 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-07-17 16:58:56,559 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-07-17 16:58:56,795 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:58:58,842 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:58:59,113 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 16:59:00,313 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:59:01,307 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:59:01,586 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 16:59:02,076 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-17 16:59:02,312 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:59:02,794 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-17 16:59:03,040 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:59:03,493 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-17 16:59:03,762 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 16:59:04,129 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-07-17 16:59:04,385 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 16:59:08,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:59:08,232 INFO L93 Difference]: Finished difference Result 5478 states and 6488 transitions. [2020-07-17 16:59:08,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2020-07-17 16:59:08,233 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 553 [2020-07-17 16:59:08,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:59:08,254 INFO L225 Difference]: With dead ends: 5478 [2020-07-17 16:59:08,254 INFO L226 Difference]: Without dead ends: 4177 [2020-07-17 16:59:08,262 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 157 SyntacticMatches, 6 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3273 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=1592, Invalid=7720, Unknown=0, NotChecked=0, Total=9312 [2020-07-17 16:59:08,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4177 states. [2020-07-17 16:59:09,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4177 to 2779. [2020-07-17 16:59:09,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2779 states. [2020-07-17 16:59:09,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 3046 transitions. [2020-07-17 16:59:09,208 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 3046 transitions. Word has length 553 [2020-07-17 16:59:09,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:59:09,208 INFO L479 AbstractCegarLoop]: Abstraction has 2779 states and 3046 transitions. [2020-07-17 16:59:09,208 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-17 16:59:09,208 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3046 transitions. [2020-07-17 16:59:09,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 646 [2020-07-17 16:59:09,218 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:59:09,218 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, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 16:59:09,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-17 16:59:09,219 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:59:09,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:59:09,219 INFO L82 PathProgramCache]: Analyzing trace with hash 551208705, now seen corresponding path program 1 times [2020-07-17 16:59:09,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:59:09,220 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [566116249] [2020-07-17 16:59:09,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:59:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,550 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:59:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:10,746 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 220 proven. 66 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2020-07-17 16:59:10,746 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [566116249] [2020-07-17 16:59:10,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:59:10,747 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-07-17 16:59:10,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750327052] [2020-07-17 16:59:10,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-17 16:59:10,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:59:10,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-17 16:59:10,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-07-17 16:59:10,749 INFO L87 Difference]: Start difference. First operand 2779 states and 3046 transitions. Second operand 19 states. [2020-07-17 16:59:11,244 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:59:12,100 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:59:12,986 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:59:13,776 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:59:14,052 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 16:59:14,568 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-17 16:59:14,850 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:59:15,353 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-17 16:59:15,636 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 16:59:16,124 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-17 16:59:19,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:59:19,828 INFO L93 Difference]: Finished difference Result 5325 states and 6138 transitions. [2020-07-17 16:59:19,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-07-17 16:59:19,834 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 645 [2020-07-17 16:59:19,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:59:19,853 INFO L225 Difference]: With dead ends: 5325 [2020-07-17 16:59:19,853 INFO L226 Difference]: Without dead ends: 3493 [2020-07-17 16:59:19,861 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 164 SyntacticMatches, 9 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 983 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=709, Invalid=2597, Unknown=0, NotChecked=0, Total=3306 [2020-07-17 16:59:19,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3493 states. [2020-07-17 16:59:20,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3493 to 2609. [2020-07-17 16:59:20,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2609 states. [2020-07-17 16:59:20,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2609 states and 2829 transitions. [2020-07-17 16:59:20,783 INFO L78 Accepts]: Start accepts. Automaton has 2609 states and 2829 transitions. Word has length 645 [2020-07-17 16:59:20,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:59:20,784 INFO L479 AbstractCegarLoop]: Abstraction has 2609 states and 2829 transitions. [2020-07-17 16:59:20,784 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-17 16:59:20,784 INFO L276 IsEmpty]: Start isEmpty. Operand 2609 states and 2829 transitions. [2020-07-17 16:59:20,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2020-07-17 16:59:20,791 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:59:20,792 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 16:59:20,792 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-17 16:59:20,792 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:59:20,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:59:20,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1507476049, now seen corresponding path program 1 times [2020-07-17 16:59:20,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:59:20,793 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [564779838] [2020-07-17 16:59:20,793 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:59:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,157 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:59:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:22,281 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 224 proven. 73 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2020-07-17 16:59:22,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [564779838] [2020-07-17 16:59:22,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:59:22,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-07-17 16:59:22,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764718901] [2020-07-17 16:59:22,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-17 16:59:22,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:59:22,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-17 16:59:22,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2020-07-17 16:59:22,284 INFO L87 Difference]: Start difference. First operand 2609 states and 2829 transitions. Second operand 24 states. [2020-07-17 16:59:22,942 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:59:25,188 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-17 16:59:26,254 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 16:59:26,555 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-17 16:59:27,114 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-07-17 16:59:27,643 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-07-17 16:59:28,203 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-07-17 16:59:28,722 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-07-17 16:59:29,232 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-07-17 16:59:29,748 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-07-17 16:59:30,328 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 196 [2020-07-17 16:59:30,826 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-07-17 16:59:31,370 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-07-17 16:59:33,694 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-07-17 16:59:34,491 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 193 [2020-07-17 16:59:35,031 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 195 [2020-07-17 16:59:35,658 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-07-17 16:59:36,187 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-07-17 16:59:37,436 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-17 16:59:37,991 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 196 [2020-07-17 16:59:38,529 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-07-17 16:59:39,137 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-07-17 16:59:39,618 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-07-17 16:59:40,640 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-17 16:59:40,887 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:59:41,305 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-17 16:59:41,604 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-07-17 16:59:41,900 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 16:59:42,172 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-17 16:59:42,448 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-17 16:59:42,752 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-07-17 16:59:43,031 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 16:59:43,333 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 16:59:43,646 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-17 16:59:43,935 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 16:59:44,210 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:59:45,301 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 16:59:45,785 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-17 16:59:46,055 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 16:59:46,561 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2020-07-17 16:59:47,124 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-17 16:59:47,630 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 197 [2020-07-17 16:59:47,892 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:59:48,393 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-07-17 16:59:48,664 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:59:49,238 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 202 [2020-07-17 16:59:49,727 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-17 16:59:50,224 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 197 [2020-07-17 16:59:50,508 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 16:59:50,827 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-07-17 16:59:51,121 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 16:59:54,471 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-07-17 16:59:54,978 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 196 [2020-07-17 16:59:57,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:59:57,737 INFO L93 Difference]: Finished difference Result 6444 states and 7361 transitions. [2020-07-17 16:59:57,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2020-07-17 16:59:57,738 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 655 [2020-07-17 16:59:57,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:59:57,756 INFO L225 Difference]: With dead ends: 6444 [2020-07-17 16:59:57,756 INFO L226 Difference]: Without dead ends: 4160 [2020-07-17 16:59:57,769 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 179 SyntacticMatches, 4 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6218 ImplicationChecksByTransitivity, 23.6s TimeCoverageRelationStatistics Valid=2709, Invalid=14321, Unknown=0, NotChecked=0, Total=17030 [2020-07-17 16:59:57,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4160 states. [2020-07-17 16:59:58,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4160 to 2796. [2020-07-17 16:59:58,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2796 states. [2020-07-17 16:59:58,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 3018 transitions. [2020-07-17 16:59:58,869 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 3018 transitions. Word has length 655 [2020-07-17 16:59:58,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:59:58,869 INFO L479 AbstractCegarLoop]: Abstraction has 2796 states and 3018 transitions. [2020-07-17 16:59:58,869 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-17 16:59:58,869 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 3018 transitions. [2020-07-17 16:59:58,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 661 [2020-07-17 16:59:58,876 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:59:58,877 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 16:59:58,877 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-07-17 16:59:58,877 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:59:58,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:59:58,878 INFO L82 PathProgramCache]: Analyzing trace with hash 218975718, now seen corresponding path program 2 times [2020-07-17 16:59:58,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:59:58,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [652356623] [2020-07-17 16:59:58,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:59:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,212 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:59:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:59:59,910 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 201 proven. 100 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2020-07-17 16:59:59,910 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [652356623] [2020-07-17 16:59:59,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 16:59:59,911 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-07-17 16:59:59,911 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708304484] [2020-07-17 16:59:59,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-17 16:59:59,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:59:59,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-17 16:59:59,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2020-07-17 16:59:59,914 INFO L87 Difference]: Start difference. First operand 2796 states and 3018 transitions. Second operand 19 states. [2020-07-17 17:00:00,470 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:00:01,383 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:00:02,359 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:00:03,142 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:00:03,463 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:00:03,978 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-17 17:00:04,241 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:00:04,731 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-07-17 17:00:04,986 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:00:05,453 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-17 17:00:08,310 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:00:09,010 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 17:00:09,278 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:00:09,766 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-17 17:00:10,282 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-17 17:00:10,745 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-17 17:00:14,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:00:14,724 INFO L93 Difference]: Finished difference Result 6133 states and 7017 transitions. [2020-07-17 17:00:14,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-07-17 17:00:14,725 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 660 [2020-07-17 17:00:14,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:00:14,742 INFO L225 Difference]: With dead ends: 6133 [2020-07-17 17:00:14,742 INFO L226 Difference]: Without dead ends: 4294 [2020-07-17 17:00:14,751 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 181 SyntacticMatches, 8 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2004 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=1292, Invalid=4870, Unknown=0, NotChecked=0, Total=6162 [2020-07-17 17:00:14,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4294 states. [2020-07-17 17:00:15,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4294 to 3037. [2020-07-17 17:00:15,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3037 states. [2020-07-17 17:00:15,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3037 states to 3037 states and 3280 transitions. [2020-07-17 17:00:15,927 INFO L78 Accepts]: Start accepts. Automaton has 3037 states and 3280 transitions. Word has length 660 [2020-07-17 17:00:15,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:00:15,928 INFO L479 AbstractCegarLoop]: Abstraction has 3037 states and 3280 transitions. [2020-07-17 17:00:15,928 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-17 17:00:15,928 INFO L276 IsEmpty]: Start isEmpty. Operand 3037 states and 3280 transitions. [2020-07-17 17:00:15,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 762 [2020-07-17 17:00:15,934 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:00:15,935 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 17:00:15,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-07-17 17:00:15,935 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:00:15,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:00:15,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1654059893, now seen corresponding path program 1 times [2020-07-17 17:00:15,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:00:15,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1266385386] [2020-07-17 17:00:15,936 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:00:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,255 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 17:00:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:16,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1311 backedges. 296 proven. 24 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2020-07-17 17:00:16,767 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1266385386] [2020-07-17 17:00:16,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:00:16,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-07-17 17:00:16,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407512749] [2020-07-17 17:00:16,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 17:00:16,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:00:16,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 17:00:16,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-07-17 17:00:16,769 INFO L87 Difference]: Start difference. First operand 3037 states and 3280 transitions. Second operand 12 states. [2020-07-17 17:00:17,257 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:00:19,179 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:00:20,652 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 17:00:22,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:00:22,076 INFO L93 Difference]: Finished difference Result 5820 states and 6557 transitions. [2020-07-17 17:00:22,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-07-17 17:00:22,077 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 761 [2020-07-17 17:00:22,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:00:22,093 INFO L225 Difference]: With dead ends: 5820 [2020-07-17 17:00:22,093 INFO L226 Difference]: Without dead ends: 3778 [2020-07-17 17:00:22,100 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 183 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=352, Invalid=1288, Unknown=0, NotChecked=0, Total=1640 [2020-07-17 17:00:22,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3778 states. [2020-07-17 17:00:23,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3778 to 2999. [2020-07-17 17:00:23,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2999 states. [2020-07-17 17:00:23,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2999 states to 2999 states and 3224 transitions. [2020-07-17 17:00:23,247 INFO L78 Accepts]: Start accepts. Automaton has 2999 states and 3224 transitions. Word has length 761 [2020-07-17 17:00:23,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:00:23,248 INFO L479 AbstractCegarLoop]: Abstraction has 2999 states and 3224 transitions. [2020-07-17 17:00:23,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 17:00:23,248 INFO L276 IsEmpty]: Start isEmpty. Operand 2999 states and 3224 transitions. [2020-07-17 17:00:23,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 763 [2020-07-17 17:00:23,257 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:00:23,258 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 17:00:23,258 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-07-17 17:00:23,258 INFO L427 AbstractCegarLoop]: === Iteration 20 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:00:23,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:00:23,259 INFO L82 PathProgramCache]: Analyzing trace with hash 431658232, now seen corresponding path program 2 times [2020-07-17 17:00:23,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:00:23,259 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1764614693] [2020-07-17 17:00:23,259 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:00:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,607 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 17:00:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:24,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:00:24,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1313 backedges. 339 proven. 30 refuted. 0 times theorem prover too weak. 944 trivial. 0 not checked. [2020-07-17 17:00:24,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1764614693] [2020-07-17 17:00:24,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:00:24,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-07-17 17:00:24,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315712424] [2020-07-17 17:00:24,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-17 17:00:24,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:00:24,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-17 17:00:24,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2020-07-17 17:00:24,255 INFO L87 Difference]: Start difference. First operand 2999 states and 3224 transitions. Second operand 19 states. [2020-07-17 17:00:25,035 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 17:00:25,875 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:00:28,594 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:00:29,092 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-17 17:00:29,562 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-07-17 17:00:30,660 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 17:00:31,010 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-17 17:00:31,295 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-07-17 17:00:31,582 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:00:31,863 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-17 17:00:32,139 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 17:00:33,230 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 17:00:34,323 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 199 [2020-07-17 17:00:34,908 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 205 [2020-07-17 17:00:35,457 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 196 [2020-07-17 17:00:36,026 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 199 [2020-07-17 17:00:36,562 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 196 [2020-07-17 17:00:38,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:00:38,624 INFO L93 Difference]: Finished difference Result 4889 states and 5451 transitions. [2020-07-17 17:00:38,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2020-07-17 17:00:38,624 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 762 [2020-07-17 17:00:38,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:00:38,627 INFO L225 Difference]: With dead ends: 4889 [2020-07-17 17:00:38,627 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 17:00:38,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 195 SyntacticMatches, 4 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2113 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=1227, Invalid=5415, Unknown=0, NotChecked=0, Total=6642 [2020-07-17 17:00:38,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 17:00:38,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 17:00:38,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 17:00:38,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 17:00:38,639 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 762 [2020-07-17 17:00:38,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:00:38,640 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 17:00:38,640 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-17 17:00:38,640 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 17:00:38,640 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 17:00:38,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-07-17 17:00:38,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 17:00:38,850 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-07-17 17:00:39,060 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-07-17 17:00:39,659 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 239 [2020-07-17 17:00:40,111 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 230 [2020-07-17 17:00:41,753 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 256 [2020-07-17 17:00:42,128 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-07-17 17:00:42,992 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 255 [2020-07-17 17:00:43,817 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:00:44,186 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 254 [2020-07-17 17:00:45,401 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 234 [2020-07-17 17:00:50,845 WARN L193 SmtUtils]: Spent 4.69 s on a formula simplification. DAG size of input: 949 DAG size of output: 785 [2020-07-17 17:00:51,077 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 258 [2020-07-17 17:00:52,090 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 227 [2020-07-17 17:00:52,643 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 257 [2020-07-17 17:00:53,815 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 246 [2020-07-17 17:00:54,170 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 239 [2020-07-17 17:00:59,904 WARN L193 SmtUtils]: Spent 5.45 s on a formula simplification. DAG size of input: 982 DAG size of output: 812 [2020-07-17 17:01:05,450 WARN L193 SmtUtils]: Spent 5.52 s on a formula simplification. DAG size of input: 982 DAG size of output: 812 [2020-07-17 17:01:05,806 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 259 [2020-07-17 17:01:06,088 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 209 [2020-07-17 17:01:06,762 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2020-07-17 17:01:06,993 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-07-17 17:01:07,292 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 247 [2020-07-17 17:01:10,407 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 259 [2020-07-17 17:01:10,692 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 209 [2020-07-17 17:01:11,321 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2020-07-17 17:01:11,721 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 247 [2020-07-17 17:01:12,800 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 241 [2020-07-17 17:01:13,514 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 241 [2020-07-17 17:01:14,116 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 234 [2020-07-17 17:01:14,425 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 239 [2020-07-17 17:01:16,135 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 244 [2020-07-17 17:01:19,029 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 800 DAG size of output: 656 [2020-07-17 17:01:21,175 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 255 [2020-07-17 17:01:27,351 WARN L193 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 696 DAG size of output: 579 [2020-07-17 17:01:30,167 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 800 DAG size of output: 656 [2020-07-17 17:01:35,356 WARN L193 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 949 DAG size of output: 785 [2020-07-17 17:01:35,747 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:01:35,927 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:01:36,100 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:01:36,344 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:01:36,496 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:01:36,734 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 251 [2020-07-17 17:01:36,866 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 251 [2020-07-17 17:01:37,987 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 252 [2020-07-17 17:01:38,117 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 252 [2020-07-17 17:01:38,578 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 255 [2020-07-17 17:01:38,754 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 255 [2020-07-17 17:01:38,964 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:01:39,117 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:01:39,425 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:01:39,576 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:01:39,985 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:01:40,152 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:01:40,459 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 254 [2020-07-17 17:01:40,640 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 254 [2020-07-17 17:01:42,696 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 239 [2020-07-17 17:01:43,236 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:01:43,389 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:01:43,653 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:01:43,810 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 251 [2020-07-17 17:01:43,939 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 251 [2020-07-17 17:01:44,125 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:01:44,274 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:01:45,207 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 252 [2020-07-17 17:01:45,364 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 252 [2020-07-17 17:01:51,014 WARN L193 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 949 DAG size of output: 785 [2020-07-17 17:01:55,392 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 800 DAG size of output: 656 [2020-07-17 17:01:55,566 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 239 [2020-07-17 17:01:58,397 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 239 [2020-07-17 17:02:00,205 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 256 [2020-07-17 17:02:07,236 WARN L193 SmtUtils]: Spent 5.38 s on a formula simplification. DAG size of input: 982 DAG size of output: 812 [2020-07-17 17:02:07,414 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 248 [2020-07-17 17:02:07,721 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 248 [2020-07-17 17:02:10,595 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 800 DAG size of output: 656 [2020-07-17 17:02:13,915 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 800 DAG size of output: 656 [2020-07-17 17:02:19,353 WARN L193 SmtUtils]: Spent 5.43 s on a formula simplification. DAG size of input: 975 DAG size of output: 810 [2020-07-17 17:02:24,959 WARN L193 SmtUtils]: Spent 5.44 s on a formula simplification. DAG size of input: 975 DAG size of output: 810 [2020-07-17 17:02:25,091 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 239 [2020-07-17 17:02:31,060 WARN L193 SmtUtils]: Spent 5.46 s on a formula simplification. DAG size of input: 975 DAG size of output: 810 [2020-07-17 17:02:31,987 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 239 [2020-07-17 17:02:33,077 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 239 [2020-07-17 17:02:33,362 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 257 [2020-07-17 17:02:33,791 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 217 [2020-07-17 17:02:34,816 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 255 [2020-07-17 17:02:35,598 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:02:35,960 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 254 [2020-07-17 17:02:37,069 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 255 [2020-07-17 17:02:37,356 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 261 [2020-07-17 17:02:37,652 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-07-17 17:02:37,942 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 259 [2020-07-17 17:02:45,034 WARN L193 SmtUtils]: Spent 4.66 s on a formula simplification. DAG size of input: 949 DAG size of output: 785 [2020-07-17 17:02:50,437 WARN L193 SmtUtils]: Spent 5.39 s on a formula simplification. DAG size of input: 982 DAG size of output: 812 [2020-07-17 17:02:51,988 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 239 [2020-07-17 17:02:52,159 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:02:52,310 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:02:52,572 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:02:52,717 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 251 [2020-07-17 17:02:52,846 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 251 [2020-07-17 17:02:53,016 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:02:53,168 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:02:54,100 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 252 [2020-07-17 17:02:54,260 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 252 [2020-07-17 17:02:56,476 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 237 [2020-07-17 17:02:56,580 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 237 [2020-07-17 17:02:57,184 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 255 [2020-07-17 17:02:57,422 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:02:57,831 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 254 [2020-07-17 17:03:04,699 WARN L193 SmtUtils]: Spent 5.42 s on a formula simplification. DAG size of input: 982 DAG size of output: 812 [2020-07-17 17:03:07,914 WARN L193 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 800 DAG size of output: 656 [2020-07-17 17:03:12,413 WARN L193 SmtUtils]: Spent 4.48 s on a formula simplification. DAG size of input: 949 DAG size of output: 785 [2020-07-17 17:03:17,998 WARN L193 SmtUtils]: Spent 5.41 s on a formula simplification. DAG size of input: 975 DAG size of output: 810 [2020-07-17 17:03:25,568 WARN L193 SmtUtils]: Spent 6.09 s on a formula simplification. DAG size of input: 1006 DAG size of output: 856 [2020-07-17 17:03:25,944 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 255 [2020-07-17 17:03:26,886 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 254 [2020-07-17 17:03:27,377 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 254 [2020-07-17 17:03:27,701 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 245 [2020-07-17 17:03:28,122 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:03:28,275 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:03:28,544 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:03:28,691 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 251 [2020-07-17 17:03:28,825 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 251 [2020-07-17 17:03:28,996 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:03:29,145 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 242 [2020-07-17 17:03:30,086 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 252 [2020-07-17 17:03:30,239 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 252 [2020-07-17 17:03:30,846 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 246 [2020-07-17 17:03:31,533 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 258 [2020-07-17 17:03:32,526 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 227 [2020-07-17 17:03:33,021 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 257 [2020-07-17 17:03:35,514 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 245 DAG size of output: 31 [2020-07-17 17:03:35,711 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 12 [2020-07-17 17:03:36,402 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 19 [2020-07-17 17:03:36,609 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-07-17 17:03:37,184 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 23 [2020-07-17 17:03:37,378 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-07-17 17:03:37,526 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-07-17 17:03:38,858 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 261 DAG size of output: 31 [2020-07-17 17:03:39,822 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 31 [2020-07-17 17:03:40,018 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 1 [2020-07-17 17:03:40,382 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 17 [2020-07-17 17:03:41,374 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 1 [2020-07-17 17:03:41,577 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 16 [2020-07-17 17:03:41,781 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 16 [2020-07-17 17:03:42,911 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 244 DAG size of output: 33 [2020-07-17 17:03:56,211 WARN L193 SmtUtils]: Spent 13.28 s on a formula simplification. DAG size of input: 660 DAG size of output: 41 [2020-07-17 17:03:58,957 WARN L193 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 411 DAG size of output: 38 [2020-07-17 17:03:59,908 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 27 [2020-07-17 17:04:00,202 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 1 [2020-07-17 17:04:00,784 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 23 [2020-07-17 17:04:01,219 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 1 [2020-07-17 17:04:16,309 WARN L193 SmtUtils]: Spent 15.07 s on a formula simplification. DAG size of input: 687 DAG size of output: 40 [2020-07-17 17:04:16,452 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 21 [2020-07-17 17:04:31,685 WARN L193 SmtUtils]: Spent 15.22 s on a formula simplification. DAG size of input: 687 DAG size of output: 40 [2020-07-17 17:04:32,110 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-07-17 17:04:34,565 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 334 DAG size of output: 44 [2020-07-17 17:04:36,299 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 221 DAG size of output: 36 [2020-07-17 17:04:36,511 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 27 [2020-07-17 17:04:37,475 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 31 [2020-07-17 17:04:37,694 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 27 [2020-07-17 17:04:37,943 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-07-17 17:04:38,986 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 175 DAG size of output: 28 [2020-07-17 17:04:40,515 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 236 DAG size of output: 34 [2020-07-17 17:04:41,871 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 239 DAG size of output: 40 [2020-07-17 17:04:44,335 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 334 DAG size of output: 44 [2020-07-17 17:04:44,533 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 1 [2020-07-17 17:04:46,053 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 236 DAG size of output: 34 [2020-07-17 17:04:46,467 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 1 [2020-07-17 17:04:46,891 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 1 [2020-07-17 17:04:47,531 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 31 [2020-07-17 17:04:48,617 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 213 DAG size of output: 59 [2020-07-17 17:04:49,715 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 232 DAG size of output: 54 [2020-07-17 17:04:50,320 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 14 [2020-07-17 17:04:50,950 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 25 [2020-07-17 17:04:51,559 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 17 [2020-07-17 17:05:00,475 WARN L193 SmtUtils]: Spent 8.90 s on a formula simplification. DAG size of input: 538 DAG size of output: 40 [2020-07-17 17:05:01,266 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 21 [2020-07-17 17:05:01,469 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-07-17 17:05:02,358 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 35 [2020-07-17 17:05:02,596 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 19 [2020-07-17 17:05:03,269 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 27 [2020-07-17 17:05:03,838 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 17 [2020-07-17 17:05:04,316 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-07-17 17:05:05,032 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 25 [2020-07-17 17:05:05,951 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 32 [2020-07-17 17:05:06,959 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 31 [2020-07-17 17:05:08,401 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 262 DAG size of output: 36 [2020-07-17 17:05:08,580 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 1 [2020-07-17 17:05:09,699 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 245 DAG size of output: 38 [2020-07-17 17:05:09,862 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 1 [2020-07-17 17:05:18,478 WARN L193 SmtUtils]: Spent 8.61 s on a formula simplification. DAG size of input: 479 DAG size of output: 40 [2020-07-17 17:05:18,825 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 13 [2020-07-17 17:05:27,408 WARN L193 SmtUtils]: Spent 8.58 s on a formula simplification. DAG size of input: 538 DAG size of output: 40 [2020-07-17 17:05:27,607 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 30 [2020-07-17 17:05:28,198 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 27 [2020-07-17 17:05:28,818 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 41 [2020-07-17 17:05:41,818 WARN L193 SmtUtils]: Spent 12.98 s on a formula simplification. DAG size of input: 660 DAG size of output: 41 [2020-07-17 17:05:43,662 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 337 DAG size of output: 40 [2020-07-17 17:05:43,876 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-07-17 17:05:44,031 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-07-17 17:05:46,083 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 358 DAG size of output: 46 [2020-07-17 17:05:47,171 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 232 DAG size of output: 54 [2020-07-17 17:05:48,095 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 43 [2020-07-17 17:05:48,260 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 1 [2020-07-17 17:05:48,670 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 1 [2020-07-17 17:05:50,545 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 336 DAG size of output: 41 [2020-07-17 17:05:51,174 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 41 [2020-07-17 17:05:51,724 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 23 [2020-07-17 17:06:04,727 WARN L193 SmtUtils]: Spent 13.00 s on a formula simplification. DAG size of input: 660 DAG size of output: 41 [2020-07-17 17:06:05,712 WARN L193 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 36 [2020-07-17 17:06:06,700 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 36 [2020-07-17 17:06:07,068 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 17 [2020-07-17 17:06:08,030 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 33 [2020-07-17 17:06:16,671 WARN L193 SmtUtils]: Spent 8.63 s on a formula simplification. DAG size of input: 538 DAG size of output: 40 [2020-07-17 17:06:17,109 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 1 [2020-07-17 17:06:17,321 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 27 [2020-07-17 17:06:17,520 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 16 [2020-07-17 17:06:17,733 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 27 [2020-07-17 17:06:17,946 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 17 [2020-07-17 17:06:18,159 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 29 [2020-07-17 17:06:19,169 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 227 DAG size of output: 37 [2020-07-17 17:06:19,369 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 16 [2020-07-17 17:06:20,163 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 32 [2020-07-17 17:06:20,360 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 16 [2020-07-17 17:06:20,556 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 16 [2020-07-17 17:06:21,944 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 262 DAG size of output: 36 [2020-07-17 17:06:22,365 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 21 [2020-07-17 17:06:22,923 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 19 [2020-07-17 17:06:23,141 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 16 [2020-07-17 17:06:23,343 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 16 [2020-07-17 17:06:23,753 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 1 [2020-07-17 17:06:25,229 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 230 DAG size of output: 35 [2020-07-17 17:06:26,504 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 261 DAG size of output: 31 [2020-07-17 17:06:27,891 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 228 DAG size of output: 38 [2020-07-17 17:06:42,712 WARN L193 SmtUtils]: Spent 14.81 s on a formula simplification. DAG size of input: 687 DAG size of output: 40 [2020-07-17 17:06:43,558 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 32 [2020-07-17 17:06:44,372 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 38 [2020-07-17 17:06:53,027 WARN L193 SmtUtils]: Spent 8.65 s on a formula simplification. DAG size of input: 538 DAG size of output: 40 [2020-07-17 17:06:53,193 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 1 [2020-07-17 17:07:01,828 WARN L193 SmtUtils]: Spent 8.60 s on a formula simplification. DAG size of input: 538 DAG size of output: 40 [2020-07-17 17:07:16,716 WARN L193 SmtUtils]: Spent 14.87 s on a formula simplification. DAG size of input: 685 DAG size of output: 41 [2020-07-17 17:07:17,256 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 15 [2020-07-17 17:07:32,148 WARN L193 SmtUtils]: Spent 14.88 s on a formula simplification. DAG size of input: 685 DAG size of output: 41 [2020-07-17 17:07:32,573 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-07-17 17:07:32,983 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 1 [2020-07-17 17:07:33,521 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 15 [2020-07-17 17:07:48,540 WARN L193 SmtUtils]: Spent 15.01 s on a formula simplification. DAG size of input: 685 DAG size of output: 41 [2020-07-17 17:07:48,705 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-07-17 17:07:49,247 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 18 [2020-07-17 17:07:49,801 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 21 [2020-07-17 17:07:51,270 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 245 DAG size of output: 31 [2020-07-17 17:07:51,795 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 17 [2020-07-17 17:07:51,947 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-07-17 17:07:52,471 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 17 [2020-07-17 17:07:53,976 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 254 DAG size of output: 29 [2020-07-17 17:07:54,128 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-07-17 17:07:55,392 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 280 DAG size of output: 20 [2020-07-17 17:07:56,338 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 29 [2020-07-17 17:07:57,732 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 217 DAG size of output: 34 [2020-07-17 17:07:57,871 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 21 [2020-07-17 17:07:58,849 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 367 DAG size of output: 1 [2020-07-17 17:07:59,090 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-07-17 17:08:00,078 WARN L193 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 29 [2020-07-17 17:08:01,096 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 33 [2020-07-17 17:08:02,021 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 32 [2020-07-17 17:08:02,922 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 32 [2020-07-17 17:08:04,282 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 228 DAG size of output: 38 [2020-07-17 17:08:04,812 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 17 [2020-07-17 17:08:06,483 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 221 DAG size of output: 36 [2020-07-17 17:08:06,641 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-07-17 17:08:19,940 WARN L193 SmtUtils]: Spent 13.27 s on a formula simplification. DAG size of input: 660 DAG size of output: 41 [2020-07-17 17:08:20,350 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-07-17 17:08:35,453 WARN L193 SmtUtils]: Spent 15.09 s on a formula simplification. DAG size of input: 687 DAG size of output: 40 [2020-07-17 17:08:35,618 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 12 [2020-07-17 17:08:36,055 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-07-17 17:08:37,069 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 224 DAG size of output: 36 [2020-07-17 17:08:37,293 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 27 [2020-07-17 17:08:37,504 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 17:08:37,670 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 12 [2020-07-17 17:08:38,077 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 1 [2020-07-17 17:08:39,592 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 254 DAG size of output: 29 [2020-07-17 17:08:41,517 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 336 DAG size of output: 41 [2020-07-17 17:08:42,515 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 28 [2020-07-17 17:08:43,380 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 35 [2020-07-17 17:08:44,933 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 252 DAG size of output: 37 [2020-07-17 17:08:45,153 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 19 [2020-07-17 17:08:47,044 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 342 DAG size of output: 33 [2020-07-17 17:08:47,263 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 17 [2020-07-17 17:08:48,356 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 213 DAG size of output: 59 [2020-07-17 17:08:49,236 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 32 [2020-07-17 17:08:50,186 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 29 [2020-07-17 17:08:50,995 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 36 [2020-07-17 17:09:06,304 WARN L193 SmtUtils]: Spent 15.30 s on a formula simplification. DAG size of input: 687 DAG size of output: 40 [2020-07-17 17:09:06,482 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 1 [2020-07-17 17:09:15,422 WARN L193 SmtUtils]: Spent 8.93 s on a formula simplification. DAG size of input: 538 DAG size of output: 40 [2020-07-17 17:09:15,627 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 15 [2020-07-17 17:09:29,088 WARN L193 SmtUtils]: Spent 13.45 s on a formula simplification. DAG size of input: 660 DAG size of output: 41 [2020-07-17 17:09:29,291 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 16 [2020-07-17 17:09:29,523 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 16 [2020-07-17 17:09:45,641 WARN L193 SmtUtils]: Spent 16.05 s on a formula simplification. DAG size of input: 685 DAG size of output: 41 [2020-07-17 17:09:46,086 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-07-17 17:09:47,306 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 245 DAG size of output: 38 [2020-07-17 17:10:06,208 WARN L193 SmtUtils]: Spent 18.87 s on a formula simplification. DAG size of input: 767 DAG size of output: 44 [2020-07-17 17:10:07,366 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 217 DAG size of output: 59 [2020-07-17 17:10:10,945 WARN L193 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 398 DAG size of output: 33 [2020-07-17 17:10:13,047 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 336 DAG size of output: 41