/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_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 21:33:53,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 21:33:53,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 21:33:53,142 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 21:33:53,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 21:33:53,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 21:33:53,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 21:33:53,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 21:33:53,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 21:33:53,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 21:33:53,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 21:33:53,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 21:33:53,164 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 21:33:53,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 21:33:53,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 21:33:53,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 21:33:53,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 21:33:53,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 21:33:53,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 21:33:53,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 21:33:53,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 21:33:53,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 21:33:53,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 21:33:53,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 21:33:53,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 21:33:53,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 21:33:53,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 21:33:53,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 21:33:53,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 21:33:53,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 21:33:53,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 21:33:53,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 21:33:53,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 21:33:53,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 21:33:53,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 21:33:53,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 21:33:53,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 21:33:53,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 21:33:53,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 21:33:53,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 21:33:53,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 21:33:53,217 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 21:33:53,231 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 21:33:53,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 21:33:53,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 21:33:53,235 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 21:33:53,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 21:33:53,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 21:33:53,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 21:33:53,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 21:33:53,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 21:33:53,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 21:33:53,237 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 21:33:53,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 21:33:53,237 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 21:33:53,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 21:33:53,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 21:33:53,238 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 21:33:53,238 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 21:33:53,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 21:33:53,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 21:33:53,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 21:33:53,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 21:33:53,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 21:33:53,240 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 [2020-08-22 21:33:53,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 21:33:53,517 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 21:33:53,521 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 21:33:53,524 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 21:33:53,524 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 21:33:53,525 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c [2020-08-22 21:33:53,583 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b65a31f31/43b2f88142e54c5d97675903bb6fab68/FLAG7d50d1418 [2020-08-22 21:33:54,108 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 21:33:54,109 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c [2020-08-22 21:33:54,122 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b65a31f31/43b2f88142e54c5d97675903bb6fab68/FLAG7d50d1418 [2020-08-22 21:33:54,440 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b65a31f31/43b2f88142e54c5d97675903bb6fab68 [2020-08-22 21:33:54,449 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 21:33:54,451 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 21:33:54,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 21:33:54,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 21:33:54,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 21:33:54,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:33:54" (1/1) ... [2020-08-22 21:33:54,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a529ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:33:54, skipping insertion in model container [2020-08-22 21:33:54,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:33:54" (1/1) ... [2020-08-22 21:33:54,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 21:33:54,538 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 21:33:54,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:33:55,009 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 21:33:55,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 21:33:55,150 INFO L208 MainTranslator]: Completed translation [2020-08-22 21:33:55,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:33:55 WrapperNode [2020-08-22 21:33:55,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 21:33:55,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 21:33:55,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 21:33:55,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 21:33:55,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:33:55" (1/1) ... [2020-08-22 21:33:55,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:33:55" (1/1) ... [2020-08-22 21:33:55,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:33:55" (1/1) ... [2020-08-22 21:33:55,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:33:55" (1/1) ... [2020-08-22 21:33:55,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:33:55" (1/1) ... [2020-08-22 21:33:55,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:33:55" (1/1) ... [2020-08-22 21:33:55,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:33:55" (1/1) ... [2020-08-22 21:33:55,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 21:33:55,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 21:33:55,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 21:33:55,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 21:33:55,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:33:55" (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 [2020-08-22 21:33:55,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 21:33:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 21:33:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 21:33:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-08-22 21:33:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-08-22 21:33:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-08-22 21:33:55,344 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 21:33:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 21:33:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 21:33:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 21:33:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 21:33:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 21:33:55,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 21:33:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 21:33:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 21:33:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 21:33:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 21:33:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 21:33:55,346 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 21:33:55,347 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 21:33:55,347 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 21:33:55,347 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 21:33:55,347 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 21:33:55,347 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-22 21:33:55,347 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 21:33:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 21:33:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 21:33:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 21:33:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 21:33:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 21:33:55,348 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 21:33:55,349 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 21:33:55,349 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 21:33:55,349 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-08-22 21:33:55,349 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 21:33:55,349 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 21:33:55,349 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 21:33:55,350 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 21:33:55,350 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 21:33:55,350 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-22 21:33:55,350 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-22 21:33:55,350 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 21:33:55,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 21:33:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 21:33:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 21:33:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 21:33:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 21:33:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 21:33:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-08-22 21:33:55,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-08-22 21:33:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-08-22 21:33:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 21:33:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 21:33:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 21:33:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 21:33:55,352 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 21:33:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 21:33:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 21:33:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 21:33:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 21:33:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 21:33:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 21:33:55,353 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 21:33:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 21:33:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 21:33:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 21:33:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 21:33:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 21:33:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 21:33:55,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 21:33:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 21:33:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 21:33:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 21:33:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 21:33:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 21:33:55,355 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 21:33:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 21:33:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 21:33:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 21:33:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 21:33:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 21:33:55,356 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 21:33:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 21:33:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 21:33:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-22 21:33:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 21:33:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 21:33:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 21:33:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-22 21:33:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 21:33:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 21:33:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-22 21:33:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-22 21:33:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 21:33:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-08-22 21:33:55,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 21:33:55,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 21:33:55,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 21:33:56,517 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 21:33:56,518 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 21:33:56,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:33:56 BoogieIcfgContainer [2020-08-22 21:33:56,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 21:33:56,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 21:33:56,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 21:33:56,529 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 21:33:56,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 09:33:54" (1/3) ... [2020-08-22 21:33:56,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70c325f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:33:56, skipping insertion in model container [2020-08-22 21:33:56,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:33:55" (2/3) ... [2020-08-22 21:33:56,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70c325f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:33:56, skipping insertion in model container [2020-08-22 21:33:56,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:33:56" (3/3) ... [2020-08-22 21:33:56,533 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product46.cil.c [2020-08-22 21:33:56,545 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 21:33:56,554 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 21:33:56,571 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 21:33:56,594 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 21:33:56,594 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 21:33:56,594 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 21:33:56,594 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 21:33:56,595 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 21:33:56,595 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 21:33:56,595 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 21:33:56,595 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 21:33:56,616 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states. [2020-08-22 21:33:56,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-08-22 21:33:56,637 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:33:56,639 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] [2020-08-22 21:33:56,639 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:33:56,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:33:56,646 INFO L82 PathProgramCache]: Analyzing trace with hash -1445921999, now seen corresponding path program 1 times [2020-08-22 21:33:56,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:33:56,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [345077018] [2020-08-22 21:33:56,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:33:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:33:57,377 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:33:57,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:33:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:33:57,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:33:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:33:57,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:33:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:33:57,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:33:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:33:57,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:33:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:33:57,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:33:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:33:57,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-08-22 21:33:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:33:57,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:33:57,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:33:57,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-08-22 21:33:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:33:57,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-08-22 21:33:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:33:57,585 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 21:33:57,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [345077018] [2020-08-22 21:33:57,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:33:57,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 21:33:57,590 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508646713] [2020-08-22 21:33:57,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 21:33:57,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:33:57,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 21:33:57,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 21:33:57,615 INFO L87 Difference]: Start difference. First operand 332 states. Second operand 4 states. [2020-08-22 21:33:58,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:33:58,980 INFO L93 Difference]: Finished difference Result 525 states and 615 transitions. [2020-08-22 21:33:58,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-22 21:33:58,982 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-08-22 21:33:58,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:33:59,000 INFO L225 Difference]: With dead ends: 525 [2020-08-22 21:33:59,000 INFO L226 Difference]: Without dead ends: 329 [2020-08-22 21:33:59,006 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-22 21:33:59,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-08-22 21:33:59,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 281. [2020-08-22 21:33:59,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-08-22 21:33:59,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 306 transitions. [2020-08-22 21:33:59,143 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 306 transitions. Word has length 160 [2020-08-22 21:33:59,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:33:59,144 INFO L479 AbstractCegarLoop]: Abstraction has 281 states and 306 transitions. [2020-08-22 21:33:59,144 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 21:33:59,145 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 306 transitions. [2020-08-22 21:33:59,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-08-22 21:33:59,149 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:33:59,149 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] [2020-08-22 21:33:59,150 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 21:33:59,150 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:33:59,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:33:59,150 INFO L82 PathProgramCache]: Analyzing trace with hash -345471189, now seen corresponding path program 1 times [2020-08-22 21:33:59,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:33:59,151 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [449071504] [2020-08-22 21:33:59,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:33:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:33:59,505 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:33:59,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:33:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:33:59,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:33:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:33:59,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:33:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:33:59,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:33:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:33:59,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:33:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:33:59,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:33:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:33:59,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:33:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:33:59,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:33:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:33:59,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 21:33:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:33:59,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-08-22 21:33:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:33:59,595 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 21:33:59,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [449071504] [2020-08-22 21:33:59,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:33:59,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 21:33:59,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924354622] [2020-08-22 21:33:59,598 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 21:33:59,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:33:59,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 21:33:59,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 21:33:59,599 INFO L87 Difference]: Start difference. First operand 281 states and 306 transitions. Second operand 5 states. [2020-08-22 21:34:00,264 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:34:01,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:34:01,314 INFO L93 Difference]: Finished difference Result 450 states and 507 transitions. [2020-08-22 21:34:01,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 21:34:01,314 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-08-22 21:34:01,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:34:01,319 INFO L225 Difference]: With dead ends: 450 [2020-08-22 21:34:01,319 INFO L226 Difference]: Without dead ends: 318 [2020-08-22 21:34:01,321 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 21:34:01,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-08-22 21:34:01,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 271. [2020-08-22 21:34:01,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-08-22 21:34:01,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 293 transitions. [2020-08-22 21:34:01,398 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 293 transitions. Word has length 161 [2020-08-22 21:34:01,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:34:01,399 INFO L479 AbstractCegarLoop]: Abstraction has 271 states and 293 transitions. [2020-08-22 21:34:01,399 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 21:34:01,399 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 293 transitions. [2020-08-22 21:34:01,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-08-22 21:34:01,402 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:34:01,402 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] [2020-08-22 21:34:01,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 21:34:01,402 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:34:01,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:34:01,403 INFO L82 PathProgramCache]: Analyzing trace with hash 527888294, now seen corresponding path program 1 times [2020-08-22 21:34:01,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:34:01,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1337691611] [2020-08-22 21:34:01,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:34:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:01,738 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:34:01,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:34:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:01,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:34:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:01,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:34:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:01,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:34:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:01,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:34:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:01,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:34:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:01,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 21:34:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:01,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:34:01,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:01,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:34:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:01,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-08-22 21:34:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:01,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-08-22 21:34:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:01,940 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 21:34:01,941 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1337691611] [2020-08-22 21:34:01,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:34:01,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 21:34:01,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136654283] [2020-08-22 21:34:01,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 21:34:01,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:34:01,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 21:34:01,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-08-22 21:34:01,943 INFO L87 Difference]: Start difference. First operand 271 states and 293 transitions. Second operand 11 states. [2020-08-22 21:34:02,617 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:34:02,936 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:34:03,211 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:34:03,456 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:34:03,695 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:34:03,930 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:34:05,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:34:05,718 INFO L93 Difference]: Finished difference Result 497 states and 572 transitions. [2020-08-22 21:34:05,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 21:34:05,719 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2020-08-22 21:34:05,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:34:05,725 INFO L225 Difference]: With dead ends: 497 [2020-08-22 21:34:05,726 INFO L226 Difference]: Without dead ends: 341 [2020-08-22 21:34:05,733 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-08-22 21:34:05,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2020-08-22 21:34:05,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 271. [2020-08-22 21:34:05,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-08-22 21:34:05,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 292 transitions. [2020-08-22 21:34:05,860 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 292 transitions. Word has length 174 [2020-08-22 21:34:05,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:34:05,862 INFO L479 AbstractCegarLoop]: Abstraction has 271 states and 292 transitions. [2020-08-22 21:34:05,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 21:34:05,862 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 292 transitions. [2020-08-22 21:34:05,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-08-22 21:34:05,866 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:34:05,867 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] [2020-08-22 21:34:05,867 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 21:34:05,867 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:34:05,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:34:05,867 INFO L82 PathProgramCache]: Analyzing trace with hash -59747891, now seen corresponding path program 1 times [2020-08-22 21:34:05,868 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:34:05,868 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1429887293] [2020-08-22 21:34:05,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:34:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:06,205 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:34:06,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:34:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:06,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:34:06,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:06,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:34:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:06,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:34:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:06,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:34:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:06,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:34:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:06,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 21:34:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:06,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:34:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:06,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:34:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:06,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-08-22 21:34:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:06,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:34:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:06,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:34:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:06,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-08-22 21:34:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:06,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-08-22 21:34:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:06,398 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 21:34:06,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1429887293] [2020-08-22 21:34:06,399 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:34:06,399 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 21:34:06,400 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943699897] [2020-08-22 21:34:06,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 21:34:06,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:34:06,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 21:34:06,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 21:34:06,402 INFO L87 Difference]: Start difference. First operand 271 states and 292 transitions. Second operand 8 states. [2020-08-22 21:34:07,076 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:34:09,145 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:34:09,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:34:09,741 INFO L93 Difference]: Finished difference Result 699 states and 829 transitions. [2020-08-22 21:34:09,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-22 21:34:09,742 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 187 [2020-08-22 21:34:09,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:34:09,749 INFO L225 Difference]: With dead ends: 699 [2020-08-22 21:34:09,749 INFO L226 Difference]: Without dead ends: 543 [2020-08-22 21:34:09,751 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-08-22 21:34:09,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2020-08-22 21:34:09,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 405. [2020-08-22 21:34:09,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-08-22 21:34:09,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 437 transitions. [2020-08-22 21:34:09,895 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 437 transitions. Word has length 187 [2020-08-22 21:34:09,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:34:09,896 INFO L479 AbstractCegarLoop]: Abstraction has 405 states and 437 transitions. [2020-08-22 21:34:09,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 21:34:09,896 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 437 transitions. [2020-08-22 21:34:09,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-08-22 21:34:09,899 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:34:09,899 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] [2020-08-22 21:34:09,899 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 21:34:09,899 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:34:09,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:34:09,900 INFO L82 PathProgramCache]: Analyzing trace with hash -476532751, now seen corresponding path program 1 times [2020-08-22 21:34:09,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:34:09,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [250669706] [2020-08-22 21:34:09,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:34:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:10,179 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:34:10,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:34:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:10,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:34:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:10,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:34:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:10,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:34:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:10,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:34:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:10,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:34:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:10,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 21:34:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:10,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:34:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:10,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:34:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:10,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-08-22 21:34:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:10,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:34:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:10,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:34:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:10,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:34:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:10,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:34:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:10,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-08-22 21:34:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:10,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-08-22 21:34:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:10,405 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 21:34:10,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [250669706] [2020-08-22 21:34:10,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:34:10,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-08-22 21:34:10,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848198948] [2020-08-22 21:34:10,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 21:34:10,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:34:10,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 21:34:10,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-08-22 21:34:10,410 INFO L87 Difference]: Start difference. First operand 405 states and 437 transitions. Second operand 14 states. [2020-08-22 21:34:11,002 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:34:11,265 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:34:11,517 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:34:11,768 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:34:12,005 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:34:13,034 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:34:13,292 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:34:13,560 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:34:13,824 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:34:14,062 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:34:15,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:34:15,454 INFO L93 Difference]: Finished difference Result 838 states and 987 transitions. [2020-08-22 21:34:15,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-22 21:34:15,454 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 211 [2020-08-22 21:34:15,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:34:15,458 INFO L225 Difference]: With dead ends: 838 [2020-08-22 21:34:15,458 INFO L226 Difference]: Without dead ends: 548 [2020-08-22 21:34:15,460 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-08-22 21:34:15,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2020-08-22 21:34:15,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 411. [2020-08-22 21:34:15,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-08-22 21:34:15,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 443 transitions. [2020-08-22 21:34:15,590 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 443 transitions. Word has length 211 [2020-08-22 21:34:15,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:34:15,591 INFO L479 AbstractCegarLoop]: Abstraction has 411 states and 443 transitions. [2020-08-22 21:34:15,591 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 21:34:15,591 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 443 transitions. [2020-08-22 21:34:15,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-08-22 21:34:15,594 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:34:15,594 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] [2020-08-22 21:34:15,594 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 21:34:15,594 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:34:15,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:34:15,595 INFO L82 PathProgramCache]: Analyzing trace with hash 497337425, now seen corresponding path program 1 times [2020-08-22 21:34:15,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:34:15,595 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1297284490] [2020-08-22 21:34:15,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:34:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:15,913 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:34:15,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:34:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:15,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:34:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:15,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:34:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:15,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:34:15,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:15,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:34:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:16,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:34:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:16,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 21:34:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:16,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:34:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:16,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:34:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:16,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-08-22 21:34:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:16,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:34:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:16,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:34:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:16,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:34:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:16,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:34:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:16,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-08-22 21:34:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:16,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-08-22 21:34:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:16,216 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-08-22 21:34:16,217 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1297284490] [2020-08-22 21:34:16,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:34:16,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 21:34:16,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278037372] [2020-08-22 21:34:16,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 21:34:16,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:34:16,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 21:34:16,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-08-22 21:34:16,221 INFO L87 Difference]: Start difference. First operand 411 states and 443 transitions. Second operand 11 states. [2020-08-22 21:34:16,722 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:34:17,573 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:34:17,803 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:34:18,921 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:34:19,142 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:34:19,410 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:34:19,904 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:34:20,140 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:34:20,379 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:34:20,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:34:20,969 INFO L93 Difference]: Finished difference Result 844 states and 982 transitions. [2020-08-22 21:34:20,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-08-22 21:34:20,970 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 211 [2020-08-22 21:34:20,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:34:20,975 INFO L225 Difference]: With dead ends: 844 [2020-08-22 21:34:20,976 INFO L226 Difference]: Without dead ends: 548 [2020-08-22 21:34:20,977 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=248, Invalid=622, Unknown=0, NotChecked=0, Total=870 [2020-08-22 21:34:20,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2020-08-22 21:34:21,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 410. [2020-08-22 21:34:21,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2020-08-22 21:34:21,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 440 transitions. [2020-08-22 21:34:21,078 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 440 transitions. Word has length 211 [2020-08-22 21:34:21,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:34:21,079 INFO L479 AbstractCegarLoop]: Abstraction has 410 states and 440 transitions. [2020-08-22 21:34:21,079 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 21:34:21,079 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 440 transitions. [2020-08-22 21:34:21,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-08-22 21:34:21,083 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:34:21,083 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] [2020-08-22 21:34:21,083 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 21:34:21,083 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:34:21,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:34:21,084 INFO L82 PathProgramCache]: Analyzing trace with hash -217934529, now seen corresponding path program 1 times [2020-08-22 21:34:21,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:34:21,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1205401631] [2020-08-22 21:34:21,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:34:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:21,331 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:34:21,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:34:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:21,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:34:21,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:21,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:34:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:21,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:34:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:21,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:34:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:21,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:34:21,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:21,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 21:34:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:21,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:34:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:21,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:34:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:21,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-08-22 21:34:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:21,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:34:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:21,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:34:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:21,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:34:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:21,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:34:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:21,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:34:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:21,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:34:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:21,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:34:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:21,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-08-22 21:34:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:21,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-08-22 21:34:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:21,530 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 21:34:21,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1205401631] [2020-08-22 21:34:21,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:34:21,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-22 21:34:21,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545038632] [2020-08-22 21:34:21,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 21:34:21,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:34:21,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 21:34:21,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-08-22 21:34:21,534 INFO L87 Difference]: Start difference. First operand 410 states and 440 transitions. Second operand 11 states. [2020-08-22 21:34:22,813 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:34:23,057 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:34:23,308 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-08-22 21:34:23,551 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:34:23,815 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:34:24,050 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:34:25,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:34:25,219 INFO L93 Difference]: Finished difference Result 847 states and 991 transitions. [2020-08-22 21:34:25,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 21:34:25,219 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 234 [2020-08-22 21:34:25,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:34:25,228 INFO L225 Difference]: With dead ends: 847 [2020-08-22 21:34:25,228 INFO L226 Difference]: Without dead ends: 552 [2020-08-22 21:34:25,230 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 [2020-08-22 21:34:25,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2020-08-22 21:34:25,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 418. [2020-08-22 21:34:25,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2020-08-22 21:34:25,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 448 transitions. [2020-08-22 21:34:25,447 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 448 transitions. Word has length 234 [2020-08-22 21:34:25,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:34:25,448 INFO L479 AbstractCegarLoop]: Abstraction has 418 states and 448 transitions. [2020-08-22 21:34:25,448 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 21:34:25,448 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 448 transitions. [2020-08-22 21:34:25,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-08-22 21:34:25,453 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:34:25,453 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] [2020-08-22 21:34:25,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 21:34:25,453 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:34:25,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:34:25,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1176917148, now seen corresponding path program 1 times [2020-08-22 21:34:25,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:34:25,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2012906433] [2020-08-22 21:34:25,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:34:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:25,776 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:34:25,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:34:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:25,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:34:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:25,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:34:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:25,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:34:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:25,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:34:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:25,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:34:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:25,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-08-22 21:34:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:25,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:34:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:25,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:34:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:25,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-08-22 21:34:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:25,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:34:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:25,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:34:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:25,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:34:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:25,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:34:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:25,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:34:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:25,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:34:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:25,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:34:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:25,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-08-22 21:34:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:25,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-08-22 21:34:25,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:26,017 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 21:34:26,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2012906433] [2020-08-22 21:34:26,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:34:26,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 21:34:26,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606789225] [2020-08-22 21:34:26,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 21:34:26,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:34:26,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 21:34:26,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 21:34:26,021 INFO L87 Difference]: Start difference. First operand 418 states and 448 transitions. Second operand 8 states. [2020-08-22 21:34:26,486 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:34:27,077 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:34:29,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:34:29,838 INFO L93 Difference]: Finished difference Result 1183 states and 1420 transitions. [2020-08-22 21:34:29,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-08-22 21:34:29,839 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 234 [2020-08-22 21:34:29,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:34:29,845 INFO L225 Difference]: With dead ends: 1183 [2020-08-22 21:34:29,845 INFO L226 Difference]: Without dead ends: 880 [2020-08-22 21:34:29,847 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 49 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2020-08-22 21:34:29,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-08-22 21:34:30,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 673. [2020-08-22 21:34:30,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2020-08-22 21:34:30,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 740 transitions. [2020-08-22 21:34:30,071 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 740 transitions. Word has length 234 [2020-08-22 21:34:30,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:34:30,071 INFO L479 AbstractCegarLoop]: Abstraction has 673 states and 740 transitions. [2020-08-22 21:34:30,072 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 21:34:30,072 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 740 transitions. [2020-08-22 21:34:30,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-08-22 21:34:30,075 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:34:30,075 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] [2020-08-22 21:34:30,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 21:34:30,076 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:34:30,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:34:30,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1214461665, now seen corresponding path program 1 times [2020-08-22 21:34:30,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:34:30,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2107368129] [2020-08-22 21:34:30,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:34:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:30,445 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:34:30,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:34:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:30,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:34:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:30,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:34:30,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:30,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:34:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:30,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:34:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:30,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:34:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:30,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:34:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:30,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:34:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:30,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 21:34:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:30,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:34:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:30,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-08-22 21:34:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:30,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:34:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:30,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:34:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:30,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:34:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:30,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:34:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:30,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:34:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:30,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:34:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:30,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:34:30,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:30,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-08-22 21:34:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:30,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-08-22 21:34:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:30,758 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 21:34:30,759 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2107368129] [2020-08-22 21:34:30,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 21:34:30,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-08-22 21:34:30,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883852570] [2020-08-22 21:34:30,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-22 21:34:30,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:34:30,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-22 21:34:30,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-08-22 21:34:30,762 INFO L87 Difference]: Start difference. First operand 673 states and 740 transitions. Second operand 15 states. [2020-08-22 21:34:31,476 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-08-22 21:34:32,338 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:34:33,914 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-08-22 21:34:34,398 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-08-22 21:34:34,711 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:34:34,949 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:34:35,407 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-08-22 21:34:35,670 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:34:35,952 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:34:36,196 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:34:38,094 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:34:38,330 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:34:38,577 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:34:39,167 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-08-22 21:34:40,510 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-08-22 21:34:40,968 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-08-22 21:34:41,477 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-08-22 21:34:42,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:34:42,145 INFO L93 Difference]: Finished difference Result 2086 states and 2498 transitions. [2020-08-22 21:34:42,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-08-22 21:34:42,146 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 239 [2020-08-22 21:34:42,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:34:42,154 INFO L225 Difference]: With dead ends: 2086 [2020-08-22 21:34:42,155 INFO L226 Difference]: Without dead ends: 1635 [2020-08-22 21:34:42,158 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1111 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=754, Invalid=2906, Unknown=0, NotChecked=0, Total=3660 [2020-08-22 21:34:42,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2020-08-22 21:34:42,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1194. [2020-08-22 21:34:42,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2020-08-22 21:34:42,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 1303 transitions. [2020-08-22 21:34:42,619 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 1303 transitions. Word has length 239 [2020-08-22 21:34:42,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:34:42,620 INFO L479 AbstractCegarLoop]: Abstraction has 1194 states and 1303 transitions. [2020-08-22 21:34:42,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-22 21:34:42,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1303 transitions. [2020-08-22 21:34:42,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-08-22 21:34:42,627 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:34:42,628 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:34:42,628 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 21:34:42,629 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:34:42,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:34:42,629 INFO L82 PathProgramCache]: Analyzing trace with hash 2117034326, now seen corresponding path program 1 times [2020-08-22 21:34:42,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:34:42,630 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [411825867] [2020-08-22 21:34:42,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:34:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:42,986 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:34:42,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:34:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:34:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:34:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:34:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:34:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:34:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:34:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:34:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 21:34:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:34:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:34:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 21:34:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:34:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:34:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:34:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:34:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:34:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:34:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:34:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 21:34:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:34:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-08-22 21:34:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-08-22 21:34:43,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:34:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-08-22 21:34:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-08-22 21:34:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:34:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:34:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:34:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:34:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2020-08-22 21:34:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-08-22 21:34:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:43,535 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-08-22 21:34:43,536 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [411825867] [2020-08-22 21:34:43,536 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:34:43,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-08-22 21:34:43,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907645506] [2020-08-22 21:34:43,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 21:34:43,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:34:43,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 21:34:43,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-08-22 21:34:43,538 INFO L87 Difference]: Start difference. First operand 1194 states and 1303 transitions. Second operand 19 states. [2020-08-22 21:34:44,165 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:34:44,523 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-08-22 21:34:44,786 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-08-22 21:34:45,063 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 21:34:45,327 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-08-22 21:34:45,583 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 21:34:46,536 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-08-22 21:34:46,812 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-08-22 21:34:47,069 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:34:47,573 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-08-22 21:34:48,605 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-08-22 21:34:48,920 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-08-22 21:34:49,846 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:34:50,755 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-08-22 21:34:51,591 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 21:34:52,099 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-08-22 21:34:52,574 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-08-22 21:34:52,991 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:34:53,692 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:34:54,240 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-08-22 21:34:54,541 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-08-22 21:34:55,150 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-08-22 21:34:55,674 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-08-22 21:34:57,113 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-08-22 21:34:57,369 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:34:58,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:34:58,767 INFO L93 Difference]: Finished difference Result 2885 states and 3339 transitions. [2020-08-22 21:34:58,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-08-22 21:34:58,768 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 325 [2020-08-22 21:34:58,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:34:58,779 INFO L225 Difference]: With dead ends: 2885 [2020-08-22 21:34:58,779 INFO L226 Difference]: Without dead ends: 1908 [2020-08-22 21:34:58,784 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1916 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=1278, Invalid=5364, Unknown=0, NotChecked=0, Total=6642 [2020-08-22 21:34:58,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2020-08-22 21:34:59,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1425. [2020-08-22 21:34:59,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1425 states. [2020-08-22 21:34:59,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 1562 transitions. [2020-08-22 21:34:59,361 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 1562 transitions. Word has length 325 [2020-08-22 21:34:59,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:34:59,362 INFO L479 AbstractCegarLoop]: Abstraction has 1425 states and 1562 transitions. [2020-08-22 21:34:59,362 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 21:34:59,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 1562 transitions. [2020-08-22 21:34:59,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2020-08-22 21:34:59,385 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:34:59,386 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:34:59,386 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 21:34:59,387 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:34:59,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:34:59,387 INFO L82 PathProgramCache]: Analyzing trace with hash -830990222, now seen corresponding path program 1 times [2020-08-22 21:34:59,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:34:59,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1247764330] [2020-08-22 21:34:59,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:34:59,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:59,740 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:34:59,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:34:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:59,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:34:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:59,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:34:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:59,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:34:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:59,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:34:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:59,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:34:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:59,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:34:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:59,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:34:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:59,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 21:34:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:59,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:34:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:59,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:34:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:59,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 21:34:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:59,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:34:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:59,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:34:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:59,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:34:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:59,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:34:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:59,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:34:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:59,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:34:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:59,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:34:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:59,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 21:34:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:34:59,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:34:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-08-22 21:35:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-08-22 21:35:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:35:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:35:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:35:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 21:35:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-08-22 21:35:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-08-22 21:35:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:35:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:35:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:35:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:35:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2020-08-22 21:35:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2020-08-22 21:35:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-08-22 21:35:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:35:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:35:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:00,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:00,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:35:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2020-08-22 21:35:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-08-22 21:35:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:00,570 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 124 proven. 38 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-08-22 21:35:00,571 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1247764330] [2020-08-22 21:35:00,571 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:35:00,571 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-08-22 21:35:00,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631754050] [2020-08-22 21:35:00,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-22 21:35:00,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:35:00,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-22 21:35:00,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-08-22 21:35:00,573 INFO L87 Difference]: Start difference. First operand 1425 states and 1562 transitions. Second operand 17 states. [2020-08-22 21:35:02,428 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:35:02,687 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:35:02,979 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:35:03,302 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:35:03,597 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:35:03,864 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:35:05,955 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:35:06,230 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:35:08,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:35:08,199 INFO L93 Difference]: Finished difference Result 4194 states and 4958 transitions. [2020-08-22 21:35:08,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-08-22 21:35:08,200 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 517 [2020-08-22 21:35:08,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:35:08,219 INFO L225 Difference]: With dead ends: 4194 [2020-08-22 21:35:08,219 INFO L226 Difference]: Without dead ends: 2689 [2020-08-22 21:35:08,225 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 124 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 492 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=486, Invalid=1676, Unknown=0, NotChecked=0, Total=2162 [2020-08-22 21:35:08,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2689 states. [2020-08-22 21:35:09,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2689 to 1847. [2020-08-22 21:35:09,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1847 states. [2020-08-22 21:35:09,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1847 states and 2057 transitions. [2020-08-22 21:35:09,178 INFO L78 Accepts]: Start accepts. Automaton has 1847 states and 2057 transitions. Word has length 517 [2020-08-22 21:35:09,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:35:09,180 INFO L479 AbstractCegarLoop]: Abstraction has 1847 states and 2057 transitions. [2020-08-22 21:35:09,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-22 21:35:09,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2057 transitions. [2020-08-22 21:35:09,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2020-08-22 21:35:09,195 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:35:09,195 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 21:35:09,196 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-22 21:35:09,196 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:35:09,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:35:09,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1343403747, now seen corresponding path program 1 times [2020-08-22 21:35:09,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:35:09,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [977353883] [2020-08-22 21:35:09,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:35:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,509 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:35:09,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:35:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:35:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:35:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:35:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:35:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:35:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:35:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 21:35:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 21:35:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:35:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:35:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:35:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 21:35:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-08-22 21:35:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-08-22 21:35:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:35:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:35:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:35:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 21:35:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 21:35:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-08-22 21:35:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-08-22 21:35:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:35:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:35:09,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:35:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:35:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2020-08-22 21:35:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-08-22 21:35:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-08-22 21:35:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2020-08-22 21:35:09,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:35:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:35:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:35:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2020-08-22 21:35:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:09,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2020-08-22 21:35:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:10,116 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 134 proven. 41 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2020-08-22 21:35:10,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [977353883] [2020-08-22 21:35:10,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:35:10,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-08-22 21:35:10,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835438863] [2020-08-22 21:35:10,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 21:35:10,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:35:10,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 21:35:10,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-08-22 21:35:10,119 INFO L87 Difference]: Start difference. First operand 1847 states and 2057 transitions. Second operand 19 states. [2020-08-22 21:35:10,636 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:35:10,974 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:35:11,236 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 21:35:11,492 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:35:11,743 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:35:11,984 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:35:12,932 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:35:13,176 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:35:14,312 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:35:14,647 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:35:14,976 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:35:15,453 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:35:16,470 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:35:16,727 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:35:17,869 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:35:18,467 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:35:18,796 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:35:21,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:35:21,412 INFO L93 Difference]: Finished difference Result 3884 states and 4538 transitions. [2020-08-22 21:35:21,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-08-22 21:35:21,413 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 531 [2020-08-22 21:35:21,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:35:21,432 INFO L225 Difference]: With dead ends: 3884 [2020-08-22 21:35:21,433 INFO L226 Difference]: Without dead ends: 2290 [2020-08-22 21:35:21,443 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 [2020-08-22 21:35:21,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2290 states. [2020-08-22 21:35:22,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2290 to 1775. [2020-08-22 21:35:22,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1775 states. [2020-08-22 21:35:22,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 1958 transitions. [2020-08-22 21:35:22,887 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 1958 transitions. Word has length 531 [2020-08-22 21:35:22,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:35:22,888 INFO L479 AbstractCegarLoop]: Abstraction has 1775 states and 1958 transitions. [2020-08-22 21:35:22,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 21:35:22,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 1958 transitions. [2020-08-22 21:35:22,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2020-08-22 21:35:22,897 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:35:22,898 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 21:35:22,898 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-22 21:35:22,898 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:35:22,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:35:22,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1677407297, now seen corresponding path program 1 times [2020-08-22 21:35:22,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:35:22,901 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [624681917] [2020-08-22 21:35:22,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:35:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,272 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:35:23,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:35:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:35:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:35:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:35:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:35:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:35:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:35:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 21:35:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 21:35:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:35:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:35:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:35:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 21:35:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-08-22 21:35:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-08-22 21:35:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:35:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:35:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:35:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 21:35:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 21:35:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-08-22 21:35:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2020-08-22 21:35:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:35:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:35:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:35:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:35:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:23,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2020-08-22 21:35:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-08-22 21:35:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-08-22 21:35:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2020-08-22 21:35:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:35:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:35:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:23,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:35:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-08-22 21:35:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-08-22 21:35:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:23,950 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 123 proven. 11 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2020-08-22 21:35:23,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [624681917] [2020-08-22 21:35:23,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:35:23,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-08-22 21:35:23,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074118703] [2020-08-22 21:35:23,953 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-22 21:35:23,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:35:23,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-22 21:35:23,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-08-22 21:35:23,954 INFO L87 Difference]: Start difference. First operand 1775 states and 1958 transitions. Second operand 17 states. [2020-08-22 21:35:24,466 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:35:25,559 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:35:27,168 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:35:27,466 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:35:27,788 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:35:28,107 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:35:28,377 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:35:28,672 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 21:35:28,934 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:35:29,226 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:35:29,514 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:35:29,960 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 21:35:30,248 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:35:30,552 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 21:35:32,521 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:35:33,040 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-08-22 21:35:33,536 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-08-22 21:35:33,815 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:35:34,130 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-08-22 21:35:34,420 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-08-22 21:35:36,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:35:36,352 INFO L93 Difference]: Finished difference Result 5731 states and 6740 transitions. [2020-08-22 21:35:36,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-08-22 21:35:36,353 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 532 [2020-08-22 21:35:36,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:35:36,375 INFO L225 Difference]: With dead ends: 5731 [2020-08-22 21:35:36,375 INFO L226 Difference]: Without dead ends: 4084 [2020-08-22 21:35:36,383 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 130 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1059 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=783, Invalid=3123, Unknown=0, NotChecked=0, Total=3906 [2020-08-22 21:35:36,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4084 states. [2020-08-22 21:35:37,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4084 to 3192. [2020-08-22 21:35:37,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3192 states. [2020-08-22 21:35:37,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 3192 states and 3489 transitions. [2020-08-22 21:35:37,897 INFO L78 Accepts]: Start accepts. Automaton has 3192 states and 3489 transitions. Word has length 532 [2020-08-22 21:35:37,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:35:37,898 INFO L479 AbstractCegarLoop]: Abstraction has 3192 states and 3489 transitions. [2020-08-22 21:35:37,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-22 21:35:37,899 INFO L276 IsEmpty]: Start isEmpty. Operand 3192 states and 3489 transitions. [2020-08-22 21:35:37,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2020-08-22 21:35:37,910 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:35:37,911 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:35:37,911 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-22 21:35:37,911 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:35:37,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:35:37,912 INFO L82 PathProgramCache]: Analyzing trace with hash -822119102, now seen corresponding path program 1 times [2020-08-22 21:35:37,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:35:37,912 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [143484902] [2020-08-22 21:35:37,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:35:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,213 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:35:38,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:35:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:35:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:35:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:35:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:35:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:35:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-22 21:35:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-08-22 21:35:38,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-08-22 21:35:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 21:35:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:35:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:35:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:35:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 21:35:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-08-22 21:35:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-08-22 21:35:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:38,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:35:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:35:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:35:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 21:35:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 21:35:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-08-22 21:35:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-22 21:35:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:35:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:35:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:38,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:35:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:35:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-08-22 21:35:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2020-08-22 21:35:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-08-22 21:35:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:35:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:35:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:35:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2020-08-22 21:35:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:38,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2020-08-22 21:35:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:39,128 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 90 proven. 50 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2020-08-22 21:35:39,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [143484902] [2020-08-22 21:35:39,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:35:39,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-08-22 21:35:39,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130685336] [2020-08-22 21:35:39,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-08-22 21:35:39,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:35:39,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-08-22 21:35:39,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-08-22 21:35:39,131 INFO L87 Difference]: Start difference. First operand 3192 states and 3489 transitions. Second operand 23 states. [2020-08-22 21:35:39,747 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:35:40,141 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:35:40,411 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 21:35:40,683 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:35:40,954 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:35:41,211 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:35:42,169 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:35:44,169 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:35:44,485 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:35:44,832 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:35:45,172 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:35:45,451 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:35:45,753 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:35:46,024 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:35:46,334 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:35:46,635 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:35:47,011 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:35:47,304 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:35:47,605 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:35:48,177 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 21:35:48,840 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-08-22 21:35:49,345 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 21:35:53,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:35:53,918 INFO L93 Difference]: Finished difference Result 7010 states and 8091 transitions. [2020-08-22 21:35:53,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-08-22 21:35:53,919 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 533 [2020-08-22 21:35:53,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:35:53,940 INFO L225 Difference]: With dead ends: 7010 [2020-08-22 21:35:53,940 INFO L226 Difference]: Without dead ends: 4190 [2020-08-22 21:35:53,950 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 136 SyntacticMatches, 3 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1923 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=1192, Invalid=5288, Unknown=0, NotChecked=0, Total=6480 [2020-08-22 21:35:53,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4190 states. [2020-08-22 21:35:54,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4190 to 2983. [2020-08-22 21:35:54,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2983 states. [2020-08-22 21:35:55,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 2983 states and 3242 transitions. [2020-08-22 21:35:55,004 INFO L78 Accepts]: Start accepts. Automaton has 2983 states and 3242 transitions. Word has length 533 [2020-08-22 21:35:55,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:35:55,005 INFO L479 AbstractCegarLoop]: Abstraction has 2983 states and 3242 transitions. [2020-08-22 21:35:55,005 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-08-22 21:35:55,005 INFO L276 IsEmpty]: Start isEmpty. Operand 2983 states and 3242 transitions. [2020-08-22 21:35:55,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2020-08-22 21:35:55,017 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:35:55,017 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 21:35:55,017 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-22 21:35:55,018 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:35:55,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:35:55,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1789840089, now seen corresponding path program 1 times [2020-08-22 21:35:55,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:35:55,018 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1995137540] [2020-08-22 21:35:55,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:35:55,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,391 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:35:55,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:35:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:35:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:35:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:35:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:35:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:35:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:35:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 21:35:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 21:35:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:35:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:35:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:35:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 21:35:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-08-22 21:35:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-08-22 21:35:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-08-22 21:35:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:35:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:35:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:35:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 21:35:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 21:35:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-08-22 21:35:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-22 21:35:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:35:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:35:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:35:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:35:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2020-08-22 21:35:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2020-08-22 21:35:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2020-08-22 21:35:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:35:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-08-22 21:35:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:35:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:35:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:35:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:35:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:35:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2020-08-22 21:35:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:55,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2020-08-22 21:35:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:35:56,138 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 127 proven. 31 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2020-08-22 21:35:56,139 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1995137540] [2020-08-22 21:35:56,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:35:56,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-08-22 21:35:56,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026662260] [2020-08-22 21:35:56,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-08-22 21:35:56,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:35:56,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-08-22 21:35:56,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-08-22 21:35:56,141 INFO L87 Difference]: Start difference. First operand 2983 states and 3242 transitions. Second operand 23 states. [2020-08-22 21:35:56,721 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:35:57,107 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:35:57,377 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 21:35:57,647 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:35:57,915 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-22 21:35:58,173 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:35:59,126 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:36:01,078 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:36:01,391 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:36:01,737 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:36:02,078 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:36:02,423 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:36:02,726 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:36:02,989 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:36:03,299 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:36:03,599 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:36:03,981 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:36:04,274 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:36:04,581 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:36:07,083 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 21:36:07,627 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-08-22 21:36:08,125 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 21:36:10,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:36:10,795 INFO L93 Difference]: Finished difference Result 6459 states and 7411 transitions. [2020-08-22 21:36:10,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2020-08-22 21:36:10,796 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 538 [2020-08-22 21:36:10,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:36:10,817 INFO L225 Difference]: With dead ends: 6459 [2020-08-22 21:36:10,817 INFO L226 Difference]: Without dead ends: 3848 [2020-08-22 21:36:10,828 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 138 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1949 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=1207, Invalid=5435, Unknown=0, NotChecked=0, Total=6642 [2020-08-22 21:36:10,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3848 states. [2020-08-22 21:36:11,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3848 to 2754. [2020-08-22 21:36:11,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2754 states. [2020-08-22 21:36:11,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 2991 transitions. [2020-08-22 21:36:11,927 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 2991 transitions. Word has length 538 [2020-08-22 21:36:11,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:36:11,933 INFO L479 AbstractCegarLoop]: Abstraction has 2754 states and 2991 transitions. [2020-08-22 21:36:11,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-08-22 21:36:11,933 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 2991 transitions. [2020-08-22 21:36:11,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2020-08-22 21:36:11,943 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:36:11,944 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-22 21:36:11,944 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-22 21:36:11,944 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:36:11,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:36:11,945 INFO L82 PathProgramCache]: Analyzing trace with hash -835229441, now seen corresponding path program 2 times [2020-08-22 21:36:11,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:36:11,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [70971978] [2020-08-22 21:36:11,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:36:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,274 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:36:12,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:36:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:36:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:36:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:36:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:36:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:36:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:36:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:36:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 21:36:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:36:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:36:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 21:36:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:36:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:36:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:36:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:36:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:36:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 21:36:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-08-22 21:36:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-08-22 21:36:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:36:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:36:12,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:36:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:36:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:36:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:36:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 21:36:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:12,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 21:36:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-08-22 21:36:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-08-22 21:36:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-22 21:36:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:36:12,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:36:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:36:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:36:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:36:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:36:12,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:36:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2020-08-22 21:36:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2020-08-22 21:36:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2020-08-22 21:36:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:36:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-08-22 21:36:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:36:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:36:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:36:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:36:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:36:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2020-08-22 21:36:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2020-08-22 21:36:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:12,872 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 144 proven. 37 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2020-08-22 21:36:12,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [70971978] [2020-08-22 21:36:12,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:36:12,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-08-22 21:36:12,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947008188] [2020-08-22 21:36:12,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 21:36:12,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:36:12,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 21:36:12,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-08-22 21:36:12,875 INFO L87 Difference]: Start difference. First operand 2754 states and 2991 transitions. Second operand 19 states. [2020-08-22 21:36:13,434 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:36:15,545 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:36:15,829 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:36:16,349 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-08-22 21:36:16,627 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:36:17,118 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-08-22 21:36:17,484 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:36:17,945 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-08-22 21:36:18,247 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:36:18,544 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:36:18,808 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:36:19,066 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:36:21,526 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:36:21,818 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:36:25,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:36:25,563 INFO L93 Difference]: Finished difference Result 6677 states and 7828 transitions. [2020-08-22 21:36:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-08-22 21:36:25,564 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 538 [2020-08-22 21:36:25,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:36:25,589 INFO L225 Difference]: With dead ends: 6677 [2020-08-22 21:36:25,590 INFO L226 Difference]: Without dead ends: 5076 [2020-08-22 21:36:25,598 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 151 SyntacticMatches, 6 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2081 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=1162, Invalid=5318, Unknown=0, NotChecked=0, Total=6480 [2020-08-22 21:36:25,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5076 states. [2020-08-22 21:36:26,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5076 to 3301. [2020-08-22 21:36:26,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3301 states. [2020-08-22 21:36:26,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3301 states to 3301 states and 3576 transitions. [2020-08-22 21:36:26,947 INFO L78 Accepts]: Start accepts. Automaton has 3301 states and 3576 transitions. Word has length 538 [2020-08-22 21:36:26,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:36:26,948 INFO L479 AbstractCegarLoop]: Abstraction has 3301 states and 3576 transitions. [2020-08-22 21:36:26,948 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 21:36:26,948 INFO L276 IsEmpty]: Start isEmpty. Operand 3301 states and 3576 transitions. [2020-08-22 21:36:26,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2020-08-22 21:36:26,959 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:36:26,960 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:36:26,960 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-22 21:36:26,960 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:36:26,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:36:26,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1795671739, now seen corresponding path program 1 times [2020-08-22 21:36:26,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:36:26,961 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1088827846] [2020-08-22 21:36:26,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:36:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,288 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:36:27,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:36:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:36:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:36:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:36:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:36:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:36:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:36:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:36:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 21:36:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:36:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:36:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 21:36:27,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:36:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:36:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:36:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:36:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:36:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 21:36:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-08-22 21:36:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-08-22 21:36:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:36:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:36:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:36:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:36:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:36:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:36:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 21:36:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 21:36:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-08-22 21:36:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-08-22 21:36:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-22 21:36:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:36:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:36:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:36:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:36:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:36:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:36:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:36:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 21:36:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-08-22 21:36:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-08-22 21:36:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-08-22 21:36:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2020-08-22 21:36:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:36:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2020-08-22 21:36:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:36:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:36:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:36:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:36:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:36:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2020-08-22 21:36:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2020-08-22 21:36:27,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:27,876 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 132 proven. 66 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2020-08-22 21:36:27,876 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1088827846] [2020-08-22 21:36:27,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:36:27,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-08-22 21:36:27,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130924855] [2020-08-22 21:36:27,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-22 21:36:27,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:36:27,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-22 21:36:27,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2020-08-22 21:36:27,878 INFO L87 Difference]: Start difference. First operand 3301 states and 3576 transitions. Second operand 19 states. [2020-08-22 21:36:28,444 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:36:30,100 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:36:30,961 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:36:31,252 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:36:31,796 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-08-22 21:36:32,083 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:36:32,656 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-08-22 21:36:32,937 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:36:33,430 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-08-22 21:36:33,985 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-08-22 21:36:34,554 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-08-22 21:36:35,061 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-08-22 21:36:35,353 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:36:37,858 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:36:38,150 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:36:39,565 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:36:40,594 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:36:40,952 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:36:41,459 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 21:36:41,716 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 21:36:42,235 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-08-22 21:36:42,500 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-08-22 21:36:42,990 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-08-22 21:36:43,285 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 21:36:43,597 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-08-22 21:36:43,878 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-08-22 21:36:49,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:36:49,645 INFO L93 Difference]: Finished difference Result 8891 states and 10524 transitions. [2020-08-22 21:36:49,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2020-08-22 21:36:49,646 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 553 [2020-08-22 21:36:49,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:36:49,675 INFO L225 Difference]: With dead ends: 8891 [2020-08-22 21:36:49,675 INFO L226 Difference]: Without dead ends: 6982 [2020-08-22 21:36:49,687 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 180 SyntacticMatches, 7 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5700 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=2467, Invalid=12785, Unknown=0, NotChecked=0, Total=15252 [2020-08-22 21:36:49,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6982 states. [2020-08-22 21:36:51,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6982 to 4064. [2020-08-22 21:36:51,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4064 states. [2020-08-22 21:36:51,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4064 states to 4064 states and 4391 transitions. [2020-08-22 21:36:51,316 INFO L78 Accepts]: Start accepts. Automaton has 4064 states and 4391 transitions. Word has length 553 [2020-08-22 21:36:51,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:36:51,317 INFO L479 AbstractCegarLoop]: Abstraction has 4064 states and 4391 transitions. [2020-08-22 21:36:51,317 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-22 21:36:51,317 INFO L276 IsEmpty]: Start isEmpty. Operand 4064 states and 4391 transitions. [2020-08-22 21:36:51,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2020-08-22 21:36:51,330 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:36:51,330 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:36:51,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-22 21:36:51,331 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:36:51,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:36:51,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1879765246, now seen corresponding path program 3 times [2020-08-22 21:36:51,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:36:51,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1296094991] [2020-08-22 21:36:51,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:36:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,658 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:36:51,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:36:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:36:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:36:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:36:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:36:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:36:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:36:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:36:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 21:36:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:36:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:36:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 21:36:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:36:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:36:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:36:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:36:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:36:51,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 21:36:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-08-22 21:36:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-08-22 21:36:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:36:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:36:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:36:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:36:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:36:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:36:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 21:36:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 21:36:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-08-22 21:36:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-08-22 21:36:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-22 21:36:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:36:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:36:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:36:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:36:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:36:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:36:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 21:36:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 21:36:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-08-22 21:36:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-08-22 21:36:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-08-22 21:36:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:36:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:36:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:36:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:36:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:36:51,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:36:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:36:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:51,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:52,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2020-08-22 21:36:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:52,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2020-08-22 21:36:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:52,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2020-08-22 21:36:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:52,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:36:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:52,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2020-08-22 21:36:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:52,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:52,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:36:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:52,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:36:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:52,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:36:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:52,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:36:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:52,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:36:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:52,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:36:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:52,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2020-08-22 21:36:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:52,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2020-08-22 21:36:52,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:36:52,236 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 255 proven. 5 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2020-08-22 21:36:52,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1296094991] [2020-08-22 21:36:52,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:36:52,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-22 21:36:52,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984512611] [2020-08-22 21:36:52,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-22 21:36:52,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:36:52,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-22 21:36:52,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-08-22 21:36:52,238 INFO L87 Difference]: Start difference. First operand 4064 states and 4391 transitions. Second operand 18 states. [2020-08-22 21:36:52,824 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:36:53,715 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:36:54,799 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:36:55,628 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:36:55,915 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:36:56,439 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-08-22 21:36:56,727 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-22 21:36:57,218 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-08-22 21:36:57,647 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-22 21:36:58,115 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-08-22 21:37:04,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:37:05,000 INFO L93 Difference]: Finished difference Result 8364 states and 9629 transitions. [2020-08-22 21:37:05,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-08-22 21:37:05,000 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 640 [2020-08-22 21:37:05,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:37:05,024 INFO L225 Difference]: With dead ends: 8364 [2020-08-22 21:37:05,024 INFO L226 Difference]: Without dead ends: 5747 [2020-08-22 21:37:05,032 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 171 SyntacticMatches, 4 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1755 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=1049, Invalid=4207, Unknown=0, NotChecked=0, Total=5256 [2020-08-22 21:37:05,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5747 states. [2020-08-22 21:37:06,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5747 to 3838. [2020-08-22 21:37:06,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3838 states. [2020-08-22 21:37:06,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 3838 states and 4113 transitions. [2020-08-22 21:37:06,376 INFO L78 Accepts]: Start accepts. Automaton has 3838 states and 4113 transitions. Word has length 640 [2020-08-22 21:37:06,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:37:06,377 INFO L479 AbstractCegarLoop]: Abstraction has 3838 states and 4113 transitions. [2020-08-22 21:37:06,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-22 21:37:06,377 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 4113 transitions. [2020-08-22 21:37:06,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2020-08-22 21:37:06,388 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:37:06,389 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:37:06,389 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-22 21:37:06,389 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:37:06,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:37:06,389 INFO L82 PathProgramCache]: Analyzing trace with hash 622944476, now seen corresponding path program 2 times [2020-08-22 21:37:06,390 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:37:06,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1420699427] [2020-08-22 21:37:06,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:37:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,734 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:37:06,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:37:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:37:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:37:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:37:06,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:37:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:37:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:37:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:37:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 21:37:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:37:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:37:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 21:37:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:37:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:37:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:37:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:37:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:37:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:37:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:37:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 21:37:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:37:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-08-22 21:37:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-08-22 21:37:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:37:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:37:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:37:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:37:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:37:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:37:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:37:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:37:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 21:37:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:37:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 21:37:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-08-22 21:37:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-08-22 21:37:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-22 21:37:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:37:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:37:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:37:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:37:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:37:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:37:06,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:37:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:37:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 21:37:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:37:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 21:37:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-08-22 21:37:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-08-22 21:37:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-08-22 21:37:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:37:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:37:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:37:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:37:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:37:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:37:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:37:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:37:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:37:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 21:37:06,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:06,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2020-08-22 21:37:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:07,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2020-08-22 21:37:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:07,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2020-08-22 21:37:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:07,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2020-08-22 21:37:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:07,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:37:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:07,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2020-08-22 21:37:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:07,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:37:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:07,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:37:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:07,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:37:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:07,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:37:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:07,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:37:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:07,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:37:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:07,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:37:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:07,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2020-08-22 21:37:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:07,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2020-08-22 21:37:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:07,557 INFO L134 CoverageAnalysis]: Checked inductivity of 942 backedges. 249 proven. 13 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2020-08-22 21:37:07,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1420699427] [2020-08-22 21:37:07,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:37:07,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-22 21:37:07,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629141982] [2020-08-22 21:37:07,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-22 21:37:07,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:37:07,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-22 21:37:07,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2020-08-22 21:37:07,559 INFO L87 Difference]: Start difference. First operand 3838 states and 4113 transitions. Second operand 15 states. [2020-08-22 21:37:08,128 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:37:08,841 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:37:09,805 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-22 21:37:13,948 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 21:37:20,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:37:20,233 INFO L93 Difference]: Finished difference Result 9133 states and 10536 transitions. [2020-08-22 21:37:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2020-08-22 21:37:20,234 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 655 [2020-08-22 21:37:20,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:37:20,254 INFO L225 Difference]: With dead ends: 9133 [2020-08-22 21:37:20,255 INFO L226 Difference]: Without dead ends: 6742 [2020-08-22 21:37:20,262 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 193 SyntacticMatches, 5 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2635 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1284, Invalid=6026, Unknown=0, NotChecked=0, Total=7310 [2020-08-22 21:37:20,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6742 states. [2020-08-22 21:37:21,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6742 to 4342. [2020-08-22 21:37:21,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4342 states. [2020-08-22 21:37:21,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4342 states to 4342 states and 4652 transitions. [2020-08-22 21:37:21,856 INFO L78 Accepts]: Start accepts. Automaton has 4342 states and 4652 transitions. Word has length 655 [2020-08-22 21:37:21,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:37:21,856 INFO L479 AbstractCegarLoop]: Abstraction has 4342 states and 4652 transitions. [2020-08-22 21:37:21,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-22 21:37:21,856 INFO L276 IsEmpty]: Start isEmpty. Operand 4342 states and 4652 transitions. [2020-08-22 21:37:21,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2020-08-22 21:37:21,865 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 21:37:21,865 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 21:37:21,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-22 21:37:21,866 INFO L427 AbstractCegarLoop]: === Iteration 20 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 21:37:21,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 21:37:21,866 INFO L82 PathProgramCache]: Analyzing trace with hash 84137668, now seen corresponding path program 1 times [2020-08-22 21:37:21,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 21:37:21,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [357490430] [2020-08-22 21:37:21,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 21:37:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,288 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 21:37:22,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:37:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-08-22 21:37:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 21:37:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 21:37:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 21:37:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 21:37:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 21:37:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-08-22 21:37:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-08-22 21:37:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:37:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:37:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 21:37:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:37:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:37:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:37:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:37:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:37:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:37:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:37:22,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 21:37:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:37:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-08-22 21:37:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-08-22 21:37:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:37:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:37:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:37:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:37:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:37:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:37:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:37:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:37:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 21:37:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:37:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 21:37:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-08-22 21:37:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-08-22 21:37:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-22 21:37:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:37:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:37:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-08-22 21:37:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:37:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:37:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:37:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-22 21:37:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 21:37:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:37:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 21:37:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-08-22 21:37:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-08-22 21:37:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-08-22 21:37:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-08-22 21:37:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:37:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:37:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 21:37:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:37:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:37:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:37:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:37:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-22 21:37:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:37:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 21:37:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:22,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2020-08-22 21:37:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:23,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2020-08-22 21:37:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:23,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2020-08-22 21:37:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:23,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 21:37:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:23,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2020-08-22 21:37:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:23,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:37:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:23,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 21:37:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:23,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 21:37:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:23,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-08-22 21:37:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:23,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:37:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:23,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 21:37:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:23,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-22 21:37:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:23,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2020-08-22 21:37:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:23,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2020-08-22 21:37:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 21:37:23,556 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 164 proven. 135 refuted. 0 times theorem prover too weak. 611 trivial. 0 not checked. [2020-08-22 21:37:23,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [357490430] [2020-08-22 21:37:23,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 21:37:23,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-08-22 21:37:23,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015680692] [2020-08-22 21:37:23,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-08-22 21:37:23,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 21:37:23,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-08-22 21:37:23,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=579, Unknown=0, NotChecked=0, Total=650 [2020-08-22 21:37:23,558 INFO L87 Difference]: Start difference. First operand 4342 states and 4652 transitions. Second operand 26 states. [2020-08-22 21:37:24,395 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-08-22 21:37:25,641 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-08-22 21:37:27,996 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-08-22 21:37:28,561 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-08-22 21:37:29,140 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-08-22 21:37:29,679 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-08-22 21:37:30,222 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 193 [2020-08-22 21:37:30,766 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-08-22 21:37:31,277 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-08-22 21:37:31,977 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-08-22 21:37:32,512 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-08-22 21:37:33,005 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-08-22 21:37:36,510 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-08-22 21:37:37,606 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-08-22 21:37:38,151 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-08-22 21:37:38,679 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-08-22 21:37:39,221 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 193 [2020-08-22 21:37:39,729 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-08-22 21:37:43,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 21:37:43,870 INFO L93 Difference]: Finished difference Result 8256 states and 9277 transitions. [2020-08-22 21:37:43,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2020-08-22 21:37:43,871 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 655 [2020-08-22 21:37:43,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 21:37:43,875 INFO L225 Difference]: With dead ends: 8256 [2020-08-22 21:37:43,875 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 21:37:43,895 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 176 SyntacticMatches, 11 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2788 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=1305, Invalid=7437, Unknown=0, NotChecked=0, Total=8742 [2020-08-22 21:37:43,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 21:37:43,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 21:37:43,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 21:37:43,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 21:37:43,897 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 655 [2020-08-22 21:37:43,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 21:37:43,897 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 21:37:43,897 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-08-22 21:37:43,897 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 21:37:43,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 21:37:43,897 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-22 21:37:43,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 21:37:55,818 WARN L193 SmtUtils]: Spent 11.87 s on a formula simplification. DAG size of input: 1579 DAG size of output: 1144 [2020-08-22 21:37:55,985 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 235 [2020-08-22 21:37:56,269 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 239 [2020-08-22 21:38:06,704 WARN L193 SmtUtils]: Spent 8.07 s on a formula simplification. DAG size of input: 1319 DAG size of output: 962 [2020-08-22 21:38:07,157 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 259 [2020-08-22 21:38:07,391 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 254 [2020-08-22 21:38:10,477 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-08-22 21:38:10,981 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:38:11,187 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 250 [2020-08-22 21:38:11,395 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-08-22 21:38:11,733 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 246 [2020-08-22 21:38:13,590 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 252 [2020-08-22 21:38:14,040 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 256 [2020-08-22 21:38:14,297 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 262 [2020-08-22 21:38:14,571 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 257 [2020-08-22 21:38:14,829 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 260 [2020-08-22 21:38:15,027 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 248 [2020-08-22 21:38:15,317 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 253 [2020-08-22 21:38:16,628 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 237 [2020-08-22 21:38:16,905 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 238 [2020-08-22 21:38:18,942 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 244 [2020-08-22 21:38:19,243 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 248 [2020-08-22 21:38:19,943 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 247 [2020-08-22 21:38:20,502 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 249 [2020-08-22 21:38:20,765 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 246 [2020-08-22 21:38:21,082 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 253 [2020-08-22 21:38:21,466 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 246 [2020-08-22 21:38:22,165 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 244 [2020-08-22 21:38:22,287 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-08-22 21:38:22,427 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 235 [2020-08-22 21:38:22,736 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 248 [2020-08-22 21:38:23,194 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-08-22 21:38:23,402 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-08-22 21:38:23,879 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 247 [2020-08-22 21:38:24,423 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 249 [2020-08-22 21:38:24,705 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 246 [2020-08-22 21:38:25,026 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 253 [2020-08-22 21:38:25,416 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 246 [2020-08-22 21:38:47,116 WARN L193 SmtUtils]: Spent 10.68 s on a formula simplification. DAG size of input: 1579 DAG size of output: 1144 [2020-08-22 21:38:52,058 WARN L193 SmtUtils]: Spent 4.58 s on a formula simplification. DAG size of input: 1094 DAG size of output: 770 [2020-08-22 21:39:00,162 WARN L193 SmtUtils]: Spent 8.08 s on a formula simplification. DAG size of input: 1319 DAG size of output: 962 [2020-08-22 21:39:02,773 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-08-22 21:39:02,909 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-08-22 21:39:03,138 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-08-22 21:39:03,274 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-08-22 21:39:14,210 WARN L193 SmtUtils]: Spent 10.82 s on a formula simplification. DAG size of input: 1579 DAG size of output: 1144 [2020-08-22 21:39:15,882 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 235 [2020-08-22 21:39:32,327 WARN L193 SmtUtils]: Spent 12.84 s on a formula simplification. DAG size of input: 1654 DAG size of output: 1192 [2020-08-22 21:39:36,395 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:39:36,668 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:39:36,811 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:39:36,948 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-08-22 21:39:37,454 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-08-22 21:39:37,591 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-08-22 21:39:38,151 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:39:38,300 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:39:38,868 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:39:39,029 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:39:39,376 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-08-22 21:39:39,552 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-08-22 21:39:40,952 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-08-22 21:39:41,164 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 263 [2020-08-22 21:39:42,380 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-08-22 21:39:42,493 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-08-22 21:39:43,040 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-08-22 21:39:43,151 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-08-22 21:39:43,694 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:39:43,859 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 250 [2020-08-22 21:39:44,006 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 250 [2020-08-22 21:39:44,148 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:39:44,525 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-08-22 21:39:44,661 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-08-22 21:39:44,980 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:39:45,122 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:39:45,386 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 246 [2020-08-22 21:39:45,560 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 246 [2020-08-22 21:39:45,698 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-08-22 21:39:45,831 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-08-22 21:39:46,286 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:39:46,428 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:39:46,969 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:39:47,129 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:39:47,625 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-08-22 21:39:47,760 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-08-22 21:39:48,316 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 259 [2020-08-22 21:39:48,553 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 254 [2020-08-22 21:40:01,792 WARN L193 SmtUtils]: Spent 7.42 s on a formula simplification. DAG size of input: 1255 DAG size of output: 936 [2020-08-22 21:40:14,699 WARN L193 SmtUtils]: Spent 10.77 s on a formula simplification. DAG size of input: 1579 DAG size of output: 1144 [2020-08-22 21:40:25,437 WARN L193 SmtUtils]: Spent 10.73 s on a formula simplification. DAG size of input: 1579 DAG size of output: 1144 [2020-08-22 21:40:38,083 WARN L193 SmtUtils]: Spent 4.54 s on a formula simplification. DAG size of input: 1094 DAG size of output: 770 [2020-08-22 21:40:42,993 WARN L193 SmtUtils]: Spent 4.91 s on a formula simplification. DAG size of input: 982 DAG size of output: 719 [2020-08-22 21:40:47,640 WARN L193 SmtUtils]: Spent 4.64 s on a formula simplification. DAG size of input: 1094 DAG size of output: 770 [2020-08-22 21:40:56,391 WARN L193 SmtUtils]: Spent 7.98 s on a formula simplification. DAG size of input: 1319 DAG size of output: 962 [2020-08-22 21:41:04,380 WARN L193 SmtUtils]: Spent 7.98 s on a formula simplification. DAG size of input: 1319 DAG size of output: 962 [2020-08-22 21:41:04,787 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 249 [2020-08-22 21:41:04,963 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 249 [2020-08-22 21:41:05,345 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 251 [2020-08-22 21:41:07,295 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:41:07,515 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:41:08,368 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:41:08,586 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:41:08,889 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:41:09,033 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:41:09,177 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:41:10,135 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 260 [2020-08-22 21:41:10,325 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 261 [2020-08-22 21:41:11,428 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 260 [2020-08-22 21:41:11,711 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 261 [2020-08-22 21:41:12,302 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-08-22 21:41:12,502 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 263 [2020-08-22 21:41:13,004 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-08-22 21:41:13,206 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 263 [2020-08-22 21:41:17,824 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 263 [2020-08-22 21:41:18,039 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 267 [2020-08-22 21:41:19,504 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 249 [2020-08-22 21:41:19,880 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 248 [2020-08-22 21:41:20,131 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 257 [2020-08-22 21:41:20,397 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 254 [2020-08-22 21:41:20,653 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 262 [2020-08-22 21:41:20,827 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 245 [2020-08-22 21:41:21,059 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 250 [2020-08-22 21:41:26,426 WARN L193 SmtUtils]: Spent 4.59 s on a formula simplification. DAG size of input: 1094 DAG size of output: 770 [2020-08-22 21:41:31,242 WARN L193 SmtUtils]: Spent 4.63 s on a formula simplification. DAG size of input: 1094 DAG size of output: 770 [2020-08-22 21:41:35,836 WARN L193 SmtUtils]: Spent 4.58 s on a formula simplification. DAG size of input: 1094 DAG size of output: 770 [2020-08-22 21:41:37,444 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:41:37,673 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:41:38,666 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:41:38,875 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:41:39,173 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:41:39,316 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:41:39,459 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:41:39,700 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-08-22 21:41:39,883 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-08-22 21:41:40,155 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-08-22 21:41:40,293 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-08-22 21:41:40,743 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 255 [2020-08-22 21:41:41,079 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 249 [2020-08-22 21:41:41,205 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 249 [2020-08-22 21:41:41,539 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 253 [2020-08-22 21:41:41,880 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 251 [2020-08-22 21:41:42,013 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 251 [2020-08-22 21:41:44,765 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 246 [2020-08-22 21:41:45,210 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-08-22 21:41:45,843 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:41:46,055 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 250 [2020-08-22 21:41:46,314 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-08-22 21:41:57,381 WARN L193 SmtUtils]: Spent 10.63 s on a formula simplification. DAG size of input: 1579 DAG size of output: 1144 [2020-08-22 21:41:59,433 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 237 [2020-08-22 21:41:59,715 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 238 [2020-08-22 21:42:10,865 WARN L193 SmtUtils]: Spent 10.82 s on a formula simplification. DAG size of input: 1579 DAG size of output: 1144 [2020-08-22 21:42:23,710 WARN L193 SmtUtils]: Spent 10.74 s on a formula simplification. DAG size of input: 1579 DAG size of output: 1144 [2020-08-22 21:42:34,742 WARN L193 SmtUtils]: Spent 11.01 s on a formula simplification. DAG size of input: 1579 DAG size of output: 1144 [2020-08-22 21:42:35,102 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 237 [2020-08-22 21:42:35,378 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 238 [2020-08-22 21:42:36,096 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-08-22 21:42:36,598 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-08-22 21:42:36,802 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 250 [2020-08-22 21:42:37,133 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-08-22 21:42:37,468 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 246 [2020-08-22 21:42:38,478 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 237 [2020-08-22 21:42:38,752 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 238 [2020-08-22 21:42:39,572 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 252 [2020-08-22 21:42:40,022 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 256 [2020-08-22 21:42:40,278 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 262 [2020-08-22 21:42:40,648 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 257 [2020-08-22 21:42:40,906 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 260 [2020-08-22 21:42:41,089 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 248 [2020-08-22 21:42:41,337 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 253 [2020-08-22 21:43:06,236 WARN L193 SmtUtils]: Spent 24.06 s on a formula simplification. DAG size of input: 985 DAG size of output: 61 [2020-08-22 21:43:09,218 WARN L193 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 268 DAG size of output: 43 [2020-08-22 21:43:11,335 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 188 DAG size of output: 37 [2020-08-22 21:43:11,745 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 1 [2020-08-22 21:43:12,830 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 247 DAG size of output: 47 [2020-08-22 21:43:13,014 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-08-22 21:43:13,196 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-08-22 21:43:32,279 WARN L193 SmtUtils]: Spent 19.07 s on a formula simplification. DAG size of input: 815 DAG size of output: 52 [2020-08-22 21:43:35,014 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 266 DAG size of output: 42 [2020-08-22 21:43:35,430 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 21:43:36,669 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 208 DAG size of output: 45 [2020-08-22 21:43:38,962 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 264 DAG size of output: 41 [2020-08-22 21:43:39,202 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 1 [2020-08-22 21:43:41,037 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 432 DAG size of output: 1 [2020-08-22 21:43:41,538 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 21:43:42,088 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2020-08-22 21:43:42,938 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 27 [2020-08-22 21:43:47,644 WARN L193 SmtUtils]: Spent 4.68 s on a formula simplification. DAG size of input: 470 DAG size of output: 58 [2020-08-22 21:43:49,504 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 250 DAG size of output: 37 [2020-08-22 21:43:49,679 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 23 [2020-08-22 21:43:52,044 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 264 DAG size of output: 41 [2020-08-22 21:43:54,538 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 208 DAG size of output: 43 [2020-08-22 21:43:54,747 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-08-22 21:43:59,571 WARN L193 SmtUtils]: Spent 4.81 s on a formula simplification. DAG size of input: 425 DAG size of output: 51 [2020-08-22 21:44:00,621 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 257 DAG size of output: 44 [2020-08-22 21:44:05,389 WARN L193 SmtUtils]: Spent 4.75 s on a formula simplification. DAG size of input: 425 DAG size of output: 51 [2020-08-22 21:44:05,551 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 1 [2020-08-22 21:44:07,739 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 191 DAG size of output: 40 [2020-08-22 21:44:10,045 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 263 DAG size of output: 45 [2020-08-22 21:44:10,444 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 1 [2020-08-22 21:44:11,652 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 208 DAG size of output: 45 [2020-08-22 21:44:13,786 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 247 DAG size of output: 64 [2020-08-22 21:44:15,891 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 285 DAG size of output: 64 [2020-08-22 21:44:17,314 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 232 DAG size of output: 50 [2020-08-22 21:44:17,512 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 1 [2020-08-22 21:44:19,688 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 215 DAG size of output: 40 [2020-08-22 21:44:21,782 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 215 DAG size of output: 40 [2020-08-22 21:44:23,904 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 222 DAG size of output: 45 [2020-08-22 21:44:24,096 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 19 [2020-08-22 21:44:25,866 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 287 DAG size of output: 64 [2020-08-22 21:44:26,262 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 22 [2020-08-22 21:44:28,556 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 191 DAG size of output: 41 [2020-08-22 21:44:29,486 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2020-08-22 21:44:30,125 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 27 [2020-08-22 21:44:54,217 WARN L193 SmtUtils]: Spent 24.04 s on a formula simplification. DAG size of input: 985 DAG size of output: 61 [2020-08-22 21:44:55,782 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 274 DAG size of output: 48 [2020-08-22 21:45:06,218 WARN L193 SmtUtils]: Spent 10.43 s on a formula simplification. DAG size of input: 609 DAG size of output: 51 [2020-08-22 21:45:06,433 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 22 [2020-08-22 21:45:25,507 WARN L193 SmtUtils]: Spent 19.07 s on a formula simplification. DAG size of input: 815 DAG size of output: 52 [2020-08-22 21:45:26,722 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 264 DAG size of output: 47 [2020-08-22 21:45:28,782 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 47 [2020-08-22 21:45:30,923 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 247 DAG size of output: 47 [2020-08-22 21:45:32,855 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 245 DAG size of output: 31 [2020-08-22 21:45:35,026 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 244 DAG size of output: 43 [2020-08-22 21:45:35,488 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 21:45:36,108 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 25 [2020-08-22 21:45:36,748 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2020-08-22 21:45:38,430 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 301 DAG size of output: 42 [2020-08-22 21:46:03,116 WARN L193 SmtUtils]: Spent 24.68 s on a formula simplification. DAG size of input: 985 DAG size of output: 61 [2020-08-22 21:46:04,890 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 243 DAG size of output: 27 [2020-08-22 21:46:06,633 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 243 DAG size of output: 27 [2020-08-22 21:46:06,796 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 1 [2020-08-22 21:46:07,244 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-08-22 21:46:07,660 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 1 [2020-08-22 21:46:09,750 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 223 DAG size of output: 40 [2020-08-22 21:46:11,200 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 232 DAG size of output: 50 [2020-08-22 21:46:41,137 WARN L193 SmtUtils]: Spent 29.92 s on a formula simplification. DAG size of input: 1010 DAG size of output: 64 [2020-08-22 21:46:41,299 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 1 [2020-08-22 21:46:42,171 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 27 [2020-08-22 21:46:43,456 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 264 DAG size of output: 47 [2020-08-22 21:46:45,360 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 245 DAG size of output: 32 [2020-08-22 21:46:46,648 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 238 DAG size of output: 48 [2020-08-22 21:46:47,222 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 25 [2020-08-22 21:46:47,819 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 27 [2020-08-22 21:46:53,024 WARN L193 SmtUtils]: Spent 5.15 s on a formula simplification. DAG size of input: 410 DAG size of output: 47 [2020-08-22 21:46:53,221 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 29 [2020-08-22 21:46:55,304 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 243 DAG size of output: 68 [2020-08-22 21:46:58,032 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 267 DAG size of output: 45 [2020-08-22 21:46:58,312 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 36 [2020-08-22 21:46:59,715 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 240 DAG size of output: 41